terbinid 500mg tablet - Terbinafine (500mg) medicine

Ifin 500 Tablet (Terbinafine 500mg): Complete Medicine Guide

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🏭 Nidus Pharma Pvt Ltd 📦 Varies by brand 💊 Allopathy 📅 Updated: Sep 24, 2026
⚠️ Hepatotoxicity Risk 📋 Prescription Required 💊 Generic Available
Medically Reviewed
11 min read
Evidence: Well-established for dermatophyte infections; moderate for other fungal infections.
Reviewed by
SaathiMed Expert Panel | Sep 24, 2026

When to Call Your Doctor IMMEDIATELY

  • Yellowing of the skin or eyes, dark urine, or pale stools
  • Severe nausea, vomiting, or pain in the upper right abdomen
  • Painful rash with blisters, peeling skin, or sores in the mouth or eyes
  • Swelling of the face, lips, tongue, or throat, or difficulty breathing
  • Unusual bruising, bleeding, fever, or persistent sore throat
  • Severe headache with confusion or vision changes
  • Chest pain or irregular heartbeat
  • Decreased urine output or swelling in the legs

If experiencing severe symptoms, call emergency services immediately.

What is terbinid 500mg tablet used for?

This medicine is an oral antifungal tablet containing terbinafine 500 mg. It is used to treat fungal infections of the skin, hair, and nails. It works by blocking an enzyme that fungi need to build their cell membranes. The usual adult dose is 250 mg once daily, but the 500 mg strength is used only as directed by your doctor. It can rarely cause liver problems, so your doctor may check your liver function before and during treatment.

  • Generic Name: Terbinafine (500mg)
  • Manufacturer: Nidus Pharma Pvt Ltd
  • Form: Allopathy
  • Pregnancy Category: Consult doctor
  • Prescription Required: Yes

🇮🇳 terbinid 500mg tablet के बारे में (Hindi Summary)

उपयोग: यह दवा टर्बिनाफिन 500 मिलीग्राम की एक ओरल टैबलेट है, जिसका उपयोग फंगल संक्रमण के इलाज के लिए किया जाता है। यह त्वचा, बालों और नाखूनों के फंगल संक्रमण जैसे दाद, खाज-खुजली, और नाखून फंगस में प्रभावी है। यह दवा फंगस को मारने का काम करती है और संक्रमण को फैलने से रोकती है। यह दवा डॉक्टर के पर्चे के बिना नहीं लेनी चाहिए। अगर आपको लीवर की बीमारी है, तो यह दवा लेने से पहले डॉक्टर को जरूर बताएं। गर्भवती महिलाओं और स्तनपान कराने वाली महिलाओं को यह दवा डॉक्टर की सलाह के बिना नहीं लेनी चाहिए।

साइड इफेक्ट्स: इस दवा के आम दुष्प्रभावों में सिरदर्द, जी मिचलाना, पेट दर्द, दस्त, और स्वाद में बदलाव शामिल हैं। ये आमतौर पर हल्के होते हैं और कुछ दिनों में ठीक हो जाते हैं। कभी-कभी यह दवा लीवर को नुकसान पहुंचा सकती है, जिसके लक्षण हैं आंखों या त्वचा का पीला पड़ना, गहरे रंग का पेशाब, और लगातार जी मिचलाना। अगर आपको त्वचा पर गंभीर दाने, छाले, या सूजन दिखे, तो तुरंत डॉक्टर से मिलें। इस दवा को लेते समय शराब न पिएं क्योंकि इससे लीवर पर और जोर पड़ सकता है।

सुरक्षा सलाह: इस दवा को लेने से पहले अपने डॉक्टर को अपनी सभी बीमारियों और दवाओं के बारे में बताएं। अगर आपको लीवर या किडनी की समस्या है, तो डॉक्टर को जरूर बताएं। इस दवा को लेते समय शराब का सेवन न करें। गर्भवती या स्तनपान कराने वाली महिलाएं डॉक्टर की सलाह के बिना यह दवा न लें। दवा का पूरा कोर्स करें, भले ही लक्षण ठीक हो जाएं, क्योंकि अधूरा कोर्स करने से संक्रमण फिर से हो सकता है। डॉक्टर के बताए अनुसार नियमित जांच कराएं।

💡 Did You Know? India has the highest number of USFDA-compliant plants outside the USA.

💊 terbinid 500mg tablet Uses & Benefits

  • [{"condition":"Onychomycosis (fungal nail infection)","description":"This medicine is used to treat fungal infections of the fingernails and toenails caused by dermatophytes.
  • It helps clear the infection and allows healthy nail to grow out.","evidence":"Well-established"},{"condition":"Tinea capitis (scalp ringworm)","description":"This medicine is effective for fungal scalp infections, especially when the infection is extensive or does not respond to topical treatment.","evidence":"Well-established"},{"condition":"Tinea corporis (body ringworm)","description":"This medicine is used for widespread or difficult-to-treat ringworm of the body when topical antifungals are not enough.","evidence":"Well-established"},{"condition":"Tinea cruris (jock itch)","description":"This medicine may be prescribed for extensive or recurrent jock itch that has not responded to creams.","evidence":"Moderate"},{"condition":"Tinea pedis (athlete's foot)","description":"This medicine is used for severe or widespread athlete's foot, especially when the skin is thickened or cracked.","evidence":"Moderate"}]

Off-label uses: [{"condition":"Cutaneous candidiasis","description":"This medicine is sometimes used for skin yeast infections when other treatments are not suitable, but it is not the first choice.","evidence":"Limited"},{"condition":"Sporotrichosis","description":"This medicine has been used in some cases of this rare fungal infection, but it is not a standard first-line treatment.","evidence":"Limited"}]

Primary treatment for: Fungal infections of the skin, hair, and nails (dermatophytosis)

Also treats: Onychomycosis, Tinea capitis, Tinea corporis, Tinea cruris, Tinea pedis

📋 Drug Information

Generic Name(s)Terbinafine (500mg)
Brand Nameterbinid 500mg tablet
ManufacturerNidus Pharma Pvt Ltd
Packaging / FormVaries by brand (Allopathy)
Therapeutic ClassANTI INFECTIVES
Action ClassFungal ergosterol synthesis inhibitor
Route of AdministrationOral
StorageStore at room temperature between 15°C and 30°C (59°F to 86°F). Keep the tablets in their original container, tightly closed, and protect them from light and moisture. Do not store in the bathroom.
Shelf LifeThe shelf life is typically 24 months from the date of manufacture, but check the expiry date printed on the pack. Do not use after the expiry date.
WHO GuidelineNot established from the available information.
ICMR GuidelineNot established from the available information.

👨‍⚕️ Doctor's Practical Tips

Evidence-based practical advice from experienced clinicians

1
Confirm the fungal infection with a proper test before starting this medicine, because it is not effective for bacterial or viral skin conditions.
2
Check liver function tests before starting treatment and repeat them during treatment, especially if the patient has risk factors for liver disease.
3
Advise patients to avoid alcohol completely while taking this medicine to reduce the risk of liver injury.
4
Warn patients about the rare but serious skin reactions and tell them to stop the medicine and seek immediate care if a severe rash develops.
5
Review all other medicines the patient is taking, especially rifampicin, cimetidine, and antidepressants, to avoid interactions.
6
For nail infections, explain that healthy nail growth takes time and the full course must be completed even if the nail looks better.
7
Tell patients to report any unusual tiredness, dark urine, or yellowing of the eyes immediately.
8
Use the lowest effective dose and shortest duration appropriate for the specific infection.

🔍 Is This Medicine Right for Your Symptom?

Educational reference. Always consult a doctor for diagnosis.

Itchy, ring-shaped rash on the skin
This medicine is commonly prescribed for fungal skin infections like ringworm.
Likely Use
Thick, yellow, or crumbling nails
This medicine is used for fungal nail infections.
Likely Use
Scaly, itchy patches on the scalp with hair loss
This medicine is used for scalp ringworm.
Likely Use
Fever with a rash
This medicine is not a treatment for fever or viral rashes. Seek medical advice.
Not Primary
Painful, red, swollen skin with pus
This may be a bacterial infection and needs different treatment.
Not Primary

🔬 How This Medicine Works (Pharmacology)

Pharmacokinetics

AbsorptionThis medicine is well absorbed from the gastrointestinal tract after oral administration. Absorption is not significantly affected by food. The absolute bioavailability is not well established from the available information.
DistributionThis medicine is highly lipophilic and distributes widely into body tissues, especially fat, skin, nails, and sebum. It reaches high concentrations in these tissues, which is important for treating fungal infections of the skin and nails.
Protein BindingThis medicine is highly bound to plasma proteins, primarily albumin and lipoproteins. The exact percentage is not established from the available information.
MetabolismThis medicine is extensively metabolized in the liver by multiple cytochrome P450 enzymes, including CYP2C9, CYP1A2, CYP3A4, and CYP2C8. It does not significantly inhibit or induce most CYP enzymes, but it can affect CYP2D6 metabolism.
Half-LifeThe terminal elimination half-life of this medicine is approximately 200 to 400 hours (about 8 to 16 days) because it is slowly released from fat tissue and skin. This long half-life allows for shorter treatment courses in some infections.
ExcretionThis medicine and its metabolites are mainly excreted in the urine. About 70% of the dose is recovered in urine and the rest in feces. Renal clearance contributes to the elimination of metabolites.
BioavailabilityThe oral bioavailability of this medicine is approximately 40% to 70%, but the exact value is not established from the available information. Food does not significantly change the extent of absorption.
Onset of ActionThis medicine starts working against the fungus soon after the first dose, but visible improvement in symptoms may take several days to weeks. For nail infections, it may take several months for the infected nail to grow out and be replaced by healthy nail.
Peak Plasma TimePeak plasma concentration of this medicine is reached about 2 hours after oral administration.
Duration of ActionBecause this medicine persists in skin, nails, and fat tissue, its antifungal effect continues for weeks to months after the last dose. This is why short courses can treat infections that would otherwise need longer treatment.

How It Works

This medicine works by selectively inhibiting the fungal enzyme squalene epoxidase. This enzyme is needed to convert squalene into lanosterol, a key building block of the fungal cell membrane. When the enzyme is blocked, squalene builds up inside the fungal cell and lanosterol becomes scarce. The high squalene level is toxic to the fungus, and the lack of lanosterol weakens the cell membrane. Together, these effects stop the fungus from growing and eventually kill it. Because this medicine targets a fungal enzyme that is not present in human cells, it is relatively selective for fungi.

Mechanism Steps

1
Entry into fungal cell: This medicine enters the fungal cell and accumulates there, where it can reach its target enzyme.
2
Inhibition of squalene epoxidase: This medicine binds to and blocks squalene epoxidase, preventing the conversion of squalene to lanosterol.
3
Squalene accumulation: Because the enzyme is blocked, squalene builds up to levels that are toxic to the fungal cell.
4
Lanosterol deficiency: Without lanosterol, the fungus cannot make enough ergosterol, which is essential for a healthy cell membrane.
5
Fungal cell death: The combination of squalene toxicity and membrane weakness leads to fungal cell death and clearance of the infection.

💡 How to Take terbinid 500mg tablet

Strength: This medicine is available as an immediate-release tablet containing 500 mg of terbinafine.

1Take this medicine by mouth with a glass of water.
2You can take it with or without food, but taking it with food may reduce stomach upset.
3Swallow the tablet whole. Do not crush, chew, or break it unless your doctor says it is okay.
4Take it at the same time each day to help you remember.
5Do not take more than the prescribed dose.
6Complete the full course as prescribed, even if you feel better.
7If you have trouble swallowing the tablet, ask your doctor or pharmacist for advice.

Dosage Information

Adult DosageThe usual adult dose of this medicine for most fungal skin infections is 250 mg once daily, but the dose and duration depend on the type and severity of the infection. For nail infections, treatment may last 6 weeks for fingernails and 12 weeks for toenails. For scalp ringworm, treatment may last 4 to 6 weeks. The 500 mg strength is not the standard daily dose for most adults and is usually reserved for specific situations or as directed by your doctor. Dose must be individualized by a qualified clinician based on indication, age, weight, renal and hepatic function.
Pediatric DosagePediatric dosing is not established from available information. Consult a pediatrician. This medicine is sometimes used in children for certain fungal infections, but the dose is based on weight and must be determined by a pediatrician.
Elderly DosageElderly patients may be more sensitive to the side effects of this medicine, especially liver effects. Your doctor may start with a lower dose or monitor you more closely. Dose must be individualized by a qualified clinician based on kidney and liver function.
Renal ImpairmentIn patients with mild to moderate kidney impairment, no dose adjustment is usually needed. In severe kidney impairment (creatinine clearance less than 50 mL/min), the dose may need to be reduced or the medicine avoided. Your doctor will decide based on your kidney function tests.
Hepatic ImpairmentThis medicine is not recommended for people with active or chronic liver disease. If you have mild liver impairment, your doctor may use it with caution and monitor your liver function closely. Dose must be individualized by a qualified clinician.
Maximum Daily DoseThe maximum recommended daily dose is 500 mg, but the usual adult dose is 250 mg once daily. Do not exceed the dose prescribed by your doctor.

Dosage Timeline

🌅 Morning ❌ ☀️ Afternoon ❌ 🌆 Evening ❌ 🌙 Night ❌

🍽️ Food Timing Guide

With food
Can be taken with or without food
Food does not significantly affect absorption, but taking it with food may reduce stomach upset.
Alcohol
Avoid
Alcohol increases the risk of liver problems when taken with this medicine.
Grapefruit
No specific restriction
Grapefruit does not significantly interact with this medicine.

⏰ What to Do If You Miss a Dose

📌 Less than half the dosing interval has passed
→ Take the missed dose as soon as you remember.
💡 Continue with your regular schedule.
📌 More than half the dosing interval has passed
→ Skip the missed dose.
💡 Do not double dose to catch up. Take your next dose at the usual time.
📌 You are unsure what to do
→ Contact your doctor or pharmacist for advice.
💡 Never take two doses at the same time.

⚠️ Side Effects of terbinid 500mg tablet

✅ Common Side Effects

Headache (Common (5-10%))
Usually settles on its own. If it persists or is severe, consult your doctor.
Nausea (Common (5-10%))
Take with food if it upsets your stomach. If nausea continues, speak to your doctor.
Diarrhea (Common (5-10%))
Stay hydrated. If diarrhea is severe or lasts more than a few days, contact your doctor.
Stomach pain or indigestion (Common (5-10%))
Try taking the tablet with a meal. If pain is severe, seek medical advice.
Taste disturbance or loss of taste (Uncommon (1-5%))
This usually improves after stopping the medicine. Tell your doctor if it bothers you.
Rash (Uncommon (1-5%))
Stop the medicine and consult your doctor if the rash spreads or is accompanied by fever or blisters.

🚨 Serious Side Effects

Liver injury (hepatotoxicity) (Rare (<0.1%))
Seek immediate medical attention if you notice yellowing of the skin or eyes, dark urine, pale stools, severe nausea, or pain in the upper right abdomen.
Severe skin reactions (Stevens-Johnson syndrome, toxic epidermal necrolysis) (Very rare (<0.01%))
Stop the medicine and go to the emergency department if you develop a painful rash, blisters, peeling skin, or sores in the mouth or eyes.
Blood disorders (neutropenia, agranulocytosis, thrombocytopenia) (Rare (<0.1%))
Report any unusual bruising, bleeding, fever, or persistent sore throat to your doctor immediately.
Severe allergic reaction (anaphylaxis, angioedema) (Very rare (<0.01%))
Call emergency services if you have swelling of the face, lips, tongue, or throat, or difficulty breathing.
Lupus-like syndrome (Very rare (<0.01%))
Tell your doctor if you develop joint pain, muscle pain, fever, or a butterfly-shaped rash on the face.

⚠️ Rare Side Effects

Pancreatitis
Seek immediate care for severe upper abdominal pain that may radiate to the back.
Hair loss
Discuss with your doctor if you notice unusual hair thinning; it may be reversible after stopping the medicine.
Depression or mood changes
Contact your doctor if you feel persistently low or anxious while taking this medicine.
Photosensitivity
Use sun protection and avoid prolonged sun exposure.

Consult your doctor if you experience any unusual symptoms.

🔬 Drug Interactions

Drug Severity Effect
Rifampicin Major
Cimetidine Major
Amitriptyline Moderate
Nortriptyline Moderate
Metoprolol Moderate
Warfarin Moderate
Fluoxetine Moderate
Paroxetine Moderate
Oral contraceptives Minor
Antacids Minor

🚨 Major Interactions

  • Rifampicin
  • Cimetidine
  • Terbinafine (other formulations)

⚡ Moderate Interactions

  • Tricyclic antidepressants (e.g., amitriptyline, nortriptyline)
  • Selective serotonin reuptake inhibitors (SSRIs)
  • Beta-blockers (e.g., metoprolol)
  • Warfarin

🍷 Alcohol Interaction

Avoid alcohol while taking this medicine. Both alcohol and this medicine can put stress on the liver, and drinking alcohol may increase the chance of liver injury. If you drink alcohol regularly, discuss this with your doctor before starting treatment.

🔎 Check Your Other Medicines

Educational tool. Always confirm with your doctor or pharmacist.

🛡️ Safety & Warnings

🚫 Contraindications

["Active liver disease or chronic liver disease","Known allergy or hypersensitivity to terbinafine or any ingredient in this medicine","Breastfeeding (due to potential risk to the infant)","Severe kidney impairment (dose adjustment or avoidance may be needed)"]

⚠️ Warnings & Precautions

["This medicine can rarely cause serious liver injury. Your doctor should check your liver function before and during treatment.","Stop this medicine and seek immediate medical help if you develop a severe skin rash, blisters, or peeling skin.","Avoid alcohol while taking this medicine to reduce the risk of liver problems.","Tell your doctor if you have a blood disorder, lupus, or any autoimmune condition.","This medicine may interact with several other medicines, so give your doctor a complete list of everything you take.","Do not use this medicine for mild fungal infections that can be treated with creams unless your doctor advises it.","This medicine is not recommended during pregnancy or breastfeeding unless clearly needed.","Complete the full course as prescribed, even if you feel better, to prevent the infection from returning."]

🤱 Lactation Safety

This medicine passes into breast milk in small amounts. Because of the potential for serious side effects in a breastfed baby, breastfeeding is not recommended while taking this medicine. If you need this medicine, discuss with your doctor whether to stop breastfeeding or use an alternative treatment.

💊 Overdose Management

If you take too much of this medicine, seek medical attention immediately. Overdose may cause nausea, vomiting, headache, dizziness, and abdominal pain. There is no specific antidote. Treatment is supportive and may include activated charcoal if the overdose is recent. Contact your local poison control center or go to the nearest emergency department.

⏰ Missed Dose

If you miss a dose, take it as soon as you remember. If it is almost time for your next dose, skip the missed dose and continue with your regular schedule. Do not take two doses at the same time to make up for a missed dose.

Additional Safety Advice

General Safety

Before starting this medicine, tell your doctor if you have any liver or kidney problems, a blood disorder, or an autoimmune condition such as lupus. Your doctor may arrange blood tests to check your liver function before and during treatment. Avoid alcohol while taking this medicine because both alcohol and this medicine can stress the liver. Do not share this medicine with anyone else, even if they have similar symptoms. If you are pregnant, planning pregnancy, or breastfeeding, discuss the risks and benefits with your doctor before taking this medicine. This medicine can interact with several other medicines, including some antidepressants, blood thinners, and certain heart medicines, so always give your doctor a complete list of everything you take. Do not stop the medicine early without consulting your doctor, because the fungal infection may return. Keep all follow-up appointments so your doctor can monitor your response and check for side effects.

👴 Special Considerations for Elderly

💡 For Patients Above 65

Elderly patients may be more sensitive to the side effects of this medicine, especially liver effects and interactions with other medicines. Your doctor may check your liver and kidney function more closely and adjust the dose if needed. Report any new symptoms promptly.

🤰 Pregnancy Planning (TTC)

If you are planning to become pregnant, discuss this medicine with your doctor before starting treatment. This medicine is not recommended during pregnancy unless the potential benefit clearly outweighs the risk. Your doctor may recommend delaying treatment until after pregnancy or using a safer alternative.

🏥 Post-Surgery Considerations

If you have surgery planned, tell your surgeon and anesthesiologist that you are taking this medicine. It can rarely affect liver function, which may influence how your body handles anesthesia and other medicines. Your doctor may recommend stopping the medicine before surgery or monitoring your liver function closely.

🦷 Dental Procedures

Inform your dentist that you are taking this medicine before any dental procedure. There is no direct interaction with dental anesthetics, but this medicine can rarely affect liver function, which may influence how your body processes some medicines. Your dentist may consult your doctor if you need additional medications.

💚 Lifestyle Tips for Better Results

🏃
Keep your skin clean and dry, especially in skin folds, to prevent fungal infections.
🥗
Wear loose-fitting, breathable clothing and cotton socks to reduce moisture.
😴
Avoid sharing towels, shoes, or nail clippers with others to prevent spreading the infection.
💧
Wash your hands after touching infected areas to avoid spreading the fungus.
🧘
Maintain a healthy diet and stay hydrated to support your body's healing.
🌞
Avoid walking barefoot in public showers, locker rooms, and swimming pools.
🚭
Trim your nails straight across and keep them clean if you have nail fungus.

🏋️ Exercise Considerations

This medicine may cause dizziness or blurred vision in some people. If you feel dizzy or unsteady, avoid strenuous exercise, driving, or operating heavy machinery until you feel normal. Otherwise, regular exercise is encouraged as it supports overall health and circulation, which can help healing.

🥗 Diet Recommendations

Eat a balanced diet rich in fruits, vegetables, and whole grains to support liver health.
Include protein-rich foods like lean meat, fish, beans, and lentils.
Avoid alcohol completely while taking this medicine.
Limit processed and fried foods to reduce liver stress.
Stay well hydrated by drinking plenty of water throughout the day.

💼 Impact on Daily Work & Life

Most people can continue their normal work and daily activities while taking this medicine. However, if you experience dizziness, blurred vision, or severe headache, avoid driving or operating machinery until you feel better. The medicine may cause taste changes that can affect your appetite, but this usually resolves after treatment. If you have a physically demanding job, take precautions to avoid injury if you feel unsteady.

🛑 When to Stop This Medicine

Stop taking this medicine and seek immediate medical help if you develop signs of liver injury (yellowing of the skin or eyes, dark urine, severe nausea, upper right abdominal pain), a severe skin rash with blisters or peeling, swelling of the face or throat, or difficulty breathing. Do not stop the medicine for mild side effects without consulting your doctor. Always complete the full course unless your doctor tells you to stop.

📅 Long-Term Use Effects

Long-term use of this medicine is generally not recommended unless your doctor advises it for a specific infection. Prolonged use may increase the risk of liver injury and blood disorders. Your doctor should monitor your liver function and blood counts during long-term treatment. If you need treatment for more than a few weeks, your doctor will assess the benefits and risks regularly. Do not continue this medicine beyond the prescribed duration without medical advice.

🌿 Non-Medicine Approaches

These can complement medicine but do not replace prescribed treatment.

Topical antifungals

Creams, lotions, or sprays containing clotrimazole, miconazole, or terbinafine can treat mild skin fungal infections without oral medicine.

Evidence: Well-established
Medicated shampoos

Selenium sulfide or ketoconazole shampoos can help treat scalp ringworm and reduce spread, often used alongside oral medicine.

Evidence: Well-established
Good hygiene practices

Keeping skin clean and dry, wearing breathable clothing, and avoiding sharing personal items can help prevent fungal infections.

Evidence: Well-established
Nail care

Keeping nails trimmed and clean can reduce discomfort and prevent the infection from worsening, but it does not cure nail fungus on its own.

Evidence: Limited

💉 Vaccination Considerations

💉 If You're Getting Vaccinated

There are no known interactions between this medicine and vaccines. However, if you are due for a vaccine, inform your doctor that you are taking this medicine. Live vaccines should generally be avoided if you have a weakened immune system, but this medicine does not usually cause significant immune suppression.

📦 Storage Guide

✅ DO

Store at room temperature between 15°C and 30°C.

❌ DON'T

Do not refrigerate unless specified on the label.

✅ DO

Keep the tablets in their original container, tightly closed.

❌ DON'T

Do not transfer them to unmarked containers.

✅ DO

Keep away from direct sunlight and moisture.

❌ DON'T

Do not store in the bathroom cabinet.

✅ DO

Keep out of reach of children and pets.

❌ DON'T

Do not use after the expiry date.

✈️ Traveling with This Medicine

When traveling, carry this medicine in its original packaging with the prescription label clearly visible. Bring a copy of your prescription or a letter from your doctor, especially for international travel, as some countries have strict rules about importing prescription medicines. Store the tablets in a cool, dry place away from direct sunlight. If you are crossing time zones, keep taking the medicine at the same interval as prescribed; you can adjust the time gradually. Do not pack it in checked luggage in case your luggage is lost. If you need a refill while traveling, visit a local doctor with your prescription and medical records.

💰 Cost Analysis & Savings

👥 Real Patient Stories

Educational, anonymized scenarios. Individual results may vary.

👤 A 52-year-old man with toenail fungus
He had thick, yellow toenails for years and was embarrassed to wear sandals. His doctor confirmed a fungal infection and prescribed this medicine for 12 weeks. He took it daily with breakfast and avoided alcohol. By week 8, new healthy nail was growing, and by week 12, the infection had cleared. He had mild stomach upset in the first week, which settled.
💡 Lesson: Taking this medicine consistently for the full course and avoiding alcohol helps clear nail fungus and reduces the risk of liver problems.
👤 A 34-year-old woman with extensive ringworm on her body
She developed itchy, ring-shaped rashes on her arms and torso that did not improve with creams. Her doctor prescribed this medicine for 4 weeks. She noticed improvement within 10 days. She reported a temporary change in taste, which resolved after finishing the course. She completed the full treatment and the rash did not return.
💡 Lesson: This medicine can effectively treat widespread ringworm, but temporary taste changes may occur and usually resolve after stopping the medicine.
👤 A 28-year-old man with scalp ringworm
He had scaly, itchy patches on his scalp and hair loss. His doctor diagnosed tinea capitis and prescribed this medicine for 6 weeks. He was advised to use a medicated shampoo as well. His symptoms improved within 3 weeks, and his hair started growing back after treatment. He had no serious side effects.
💡 Lesson: Combining oral antifungal treatment with medicated shampoo can help clear scalp ringworm and support hair regrowth.

💬 Questions Patients Often Ask

Q: How long does it take to work?

A: You may start to see improvement in skin infections within 1 to 2 weeks. Nail infections take longer because the nail grows slowly; it may take several months for the infected nail to be replaced by healthy nail.

Q: Can I drink alcohol while taking this medicine?

A: No, you should avoid alcohol while taking this medicine because it increases the risk of liver problems.

Q: What should I do if I miss a dose?

A: If you remember within a few hours, take the missed dose. If it is almost time for your next dose, skip the missed dose and continue with your regular schedule. Do not take two doses at once.

Q: Is this medicine safe for my liver?

A: This medicine can rarely cause liver injury. Your doctor may check your liver function before and during treatment. Tell your doctor if you have liver disease or drink alcohol regularly.

Q: Can I take this medicine with other medicines?

A: Some medicines can interact with this medicine, including rifampicin, cimetidine, and some antidepressants. Always give your doctor a complete list of all medicines you take.

Q: Can I stop taking this medicine when I feel better?

A: No, you must complete the full course prescribed by your doctor, even if symptoms improve, to prevent the infection from returning.

🤔 Common Patient Concerns

💭 These are the concerns patients most commonly raise

  • Can I take this medicine long-term?
  • Will it affect my liver?
  • Can I drink alcohol while taking this medicine?
  • Does it interact with my other medicines?
  • What if I miss a dose?
  • Can I take it during pregnancy?
  • How long does it take to work?
  • Is it safe for my kidneys?

🔄 Substitutes for terbinid 500mg tablet

View All

Alternative brands with exact same active ingredient:

Medical Note: Always consult your doctor before switching medications.

🛑 Myths vs. Facts

  • Myth: This medicine can cure any skin rash.
    Fact: This medicine only treats fungal infections. It does not work for bacterial, viral, or allergic skin conditions.
  • Myth: You can stop taking this medicine as soon as the symptoms go away.
    Fact: You must complete the full course prescribed by your doctor, even if symptoms improve, to prevent the infection from returning.
  • Myth: This medicine is safe to take without blood tests.
    Fact: This medicine can rarely affect the liver, so your doctor may check your liver function before and during treatment.
  • Myth: This medicine is a cosmetic treatment for yellow nails.
    Fact: This medicine is only for confirmed fungal nail infections. It should not be used for cosmetic reasons.

🔄 Alternative Options

Generic Alternatives

  • Terbinafine 500 mg tablet

Brand Alternatives

  • Ifin 500 Tablet

📊 Comparison with Similar Medicines

[{"medicine":"Terbinafine (this medicine)","class":"Allylamine antifungal","main_use":"Dermatophyte infections of skin, hair, and nails","half_life":"200-400 hours","liver_risk":"Rare but serious","typical_duration":"2-12 weeks depending on infection"},{"medicine":"Itraconazole","class":"Triazole antifungal","main_use":"Nail and skin fungal infections, systemic fungal infections","half_life":"20-60 hours","liver_risk":"Rare but serious","typical_duration":"1 week per month (pulse therapy) or continuous"},{"medicine":"Fluconazole","class":"Triazole antifungal","main_use":"Yeast infections, some skin fungal infections","half_life":"30 hours","liver_risk":"Rare but serious","typical_duration":"1-4 weeks"},{"medicine":"Griseofulvin","class":"Griseofulvin antifungal","main_use":"Scalp ringworm, skin fungal infections","half_life":"9-24 hours","liver_risk":"Rare","typical_duration":"4-8 weeks"}]

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