ampoxin 500 capsule - Ampicillin (250mg) + Cloxacillin (250mg) medicine

Ampoxin 500 Capsule: Complete Medicine Guide

No reviews yet
🏭 Torrent Pharmaceuticals Ltd 📦 Varies by brand 💊 Allopathy 📅 Updated: Sep 23, 2026
⚠️ Hepatotoxicity Risk 📋 Prescription Required 💊 Generic Available
Medically Reviewed
11 min read
Evidence: Well-established for susceptible bacterial infections.
Reviewed by
SaathiMed Expert Panel | Sep 23, 2026

When to Call Your Doctor IMMEDIATELY

  • Difficulty breathing or swelling of the face, lips, or throat.
  • Severe or bloody diarrhea that does not improve.
  • Yellowing of the skin or eyes (jaundice).
  • Severe abdominal pain or cramping.
  • Signs of a severe skin reaction such as painful rash, blisters, or peeling skin.
  • Decreased urine output or swelling in the legs.
  • Unusual bleeding or bruising.

If experiencing severe symptoms, call emergency services immediately.

What is ampoxin 500 capsule used for?

This medicine is a combination antibiotic containing ampicillin and cloxacillin, used to treat bacterial infections of the skin, respiratory tract, and other areas. It works by killing bacteria and is available only by prescription.

  • Generic Name: Ampicillin + Cloxacillin
  • Manufacturer: Torrent Pharmaceuticals Ltd
  • Form: Allopathy
  • Pregnancy Category: Consult doctor
  • Prescription Required: Yes

🇮🇳 ampoxin 500 capsule के बारे में (Hindi Summary)

उपयोग: यह दवा एम्पीसिलिन और क्लोक्सासिलिन का संयोजन है, जिसका उपयोग बैक्टीरियल संक्रमण जैसे त्वचा, श्वसन पथ और मूत्र पथ के संक्रमण के इलाज के लिए किया जाता है। यह बैक्टीरिया को मारकर काम करती है।

साइड इफेक्ट्स: आम दुष्प्रभावों में मतली, उल्टी, दस्त, पेट दर्द और त्वचा पर दाने शामिल हैं। गंभीर दुष्प्रभाव जैसे एलर्जी, गंभीर दस्त, और यकृत की समस्या दुर्लभ हैं। यदि आपको सांस लेने में कठिनाई, चेहरे या गले में सूजन, या पीलिया हो तो तुरंत डॉक्टर से संपर्क करें।

सुरक्षा सलाह: इस दवा को डॉक्टर के निर्देशानुसार ही लें। खुराक न छोड़ें और कोर्स पूरा करें। इसे भोजन के साथ लें ताकि पेट की परेशानी कम हो। यदि आपको पेनिसिलिन से एलर्जी है, गुर्दे या यकृत की बीमारी है, या आप गर्भवती या स्तनपान करा रही हैं, तो डॉक्टर को बताएं। शराब से बचें।

💡 Did You Know? Over 80% of the antiretroviral drugs used globally to combat AIDS are supplied by Indian pharmaceutical companies.

💊 ampoxin 500 capsule Uses & Benefits

[{"condition":"Skin and soft tissue infections","description":"Used to treat infections such as cellulitis, abscesses, and wound infections caused by susceptible bacteria including Staphylococcus aureus and Streptococcus species.","evidence":"Well-established"},{"condition":"Respiratory tract infections","description":"May be used for upper and lower respiratory tract infections like sinusitis, pharyngitis, and pneumonia when caused by susceptible organisms.","evidence":"Established"},{"condition":"Urinary tract infections","description":"Sometimes prescribed for urinary tract infections caused by susceptible bacteria, though other antibiotics are often preferred.","evidence":"Limited"},{"condition":"Bone and joint infections","description":"May be used in the treatment of osteomyelitis and septic arthritis caused by susceptible bacteria, often in combination with other antibiotics.","evidence":"Limited"}]

Off-label uses: [{"condition":"Dental infections","description":"Occasionally used for dental abscesses or prophylaxis in dental procedures, though not a first-line choice.","evidence":"Limited"},{"condition":"Eradication of Helicobacter pylori","description":"Ampicillin component may be part of some regimens, but not standard.","evidence":"Limited"}]

Primary treatment for: Bacterial infections

Also treats: Skin infections, Respiratory tract infections, Urinary tract infections, Bone and joint infections

📋 Drug Information

Generic Name(s)Ampicillin + Cloxacillin
Brand NameAmpoxin 500 Capsule
ManufacturerTorrent Pharmaceuticals Ltd
Packaging / FormVaries by brand (Allopathy)
Therapeutic ClassANTI INFECTIVES
Action ClassPenicillinase-resistant penicillin combination
Route of AdministrationOral
StorageStore at room temperature between 15°C and 30°C (59°F to 86°F). Keep away from moisture and heat. Keep in the original container.
Shelf Life24 months from the date of manufacture.
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
Always complete the full course of this antibiotic, even if you start feeling better after a few days.
2
Take this medicine with food to minimize stomach upset and nausea.
3
Inform your doctor if you have a history of penicillin allergy before starting this medicine.
4
If you develop a rash, itching, or swelling after taking this medicine, stop it and seek medical help immediately.
5
Do not share this medicine with others, as it may not be appropriate for their condition.
6
If you are taking oral contraceptives, use an additional barrier method while on this antibiotic.
7
Stay well hydrated while taking this medicine to help your kidneys flush out the drug.

🔍 Is This Medicine Right for Your Symptom?

Educational reference. Always consult a doctor for diagnosis.

Skin infection with redness and swelling
This medicine is commonly prescribed for skin and soft tissue infections.
Likely Use
Cough and cold
This medicine is not effective against viral infections like the common cold.
Not Primary
Fever with sore throat
May be used if bacterial pharyngitis is suspected.
Likely Use

🔬 How This Medicine Works (Pharmacology)

Pharmacokinetics

AbsorptionAmpicillin and cloxacillin are both absorbed from the gastrointestinal tract after oral administration. Food may decrease the absorption of ampicillin, but cloxacillin absorption is relatively unaffected. The combination is given orally.
DistributionBoth components distribute widely into body tissues and fluids, including pleural fluid, synovial fluid, and bile. They cross the placenta and are excreted in breast milk in small amounts.
Protein BindingAmpicillin is approximately 20% protein-bound; cloxacillin is about 95% protein-bound.
MetabolismAmpicillin is partially metabolized in the liver to inactive metabolites. Cloxacillin is metabolized in the liver to active and inactive metabolites.
Half-LifeThe elimination half-life of ampicillin is approximately 1 to 1.5 hours, and that of cloxacillin is about 0.5 to 1 hour. These may be prolonged in renal impairment.
ExcretionBoth ampicillin and cloxacillin are primarily excreted unchanged in the urine by glomerular filtration and tubular secretion. A small amount is excreted in bile and feces.
BioavailabilityAmpicillin oral bioavailability is about 40% to 60%; cloxacillin oral bioavailability is approximately 50% to 70%.
Onset of ActionThe onset of action is typically within 1 to 2 hours after oral administration, but clinical improvement may take 24 to 48 hours.
Peak Plasma TimePeak plasma concentrations for ampicillin are reached about 1 to 2 hours after oral administration; for cloxacillin, about 0.5 to 1 hour.
Duration of ActionThe duration of action is generally 6 to 8 hours, depending on the dose and renal function.

How It Works

This medicine combines two penicillin antibiotics. Ampicillin is a broad-spectrum penicillin that inhibits bacterial cell wall synthesis by binding to penicillin-binding proteins, leading to cell lysis. Cloxacillin is a penicillinase-resistant penicillin that also inhibits cell wall synthesis but is specifically effective against penicillinase-producing Staphylococcus aureus. Together, they provide coverage against a wider range of bacteria.

Mechanism Steps

1
Binding to penicillin-binding proteins: Ampicillin and cloxacillin bind to specific penicillin-binding proteins (PBPs) located on the bacterial cell wall.
2
Inhibition of cell wall synthesis: This binding inhibits the transpeptidation reaction necessary for cross-linking peptidoglycan chains in the bacterial cell wall.
3
Activation of autolysins: The disruption of cell wall synthesis leads to activation of autolytic enzymes that degrade the existing cell wall.
4
Bacterial cell lysis: The weakened cell wall cannot withstand osmotic pressure, resulting in bacterial cell lysis and death.

💡 How to Take ampoxin 500 capsule

Strength: Capsule containing Ampicillin 250 mg and Cloxacillin 250 mg.

1Take the capsule orally with a full glass of water.
2Take with food to reduce stomach upset.
3Swallow the capsule whole; do not crush or chew.
4Take at evenly spaced intervals as prescribed.
5Complete the full course even if you feel better.

Dosage Information

Adult DosageThe usual adult dose is one capsule (250 mg ampicillin + 250 mg cloxacillin) taken orally every 6 hours, but the dose may vary depending on the type and severity of infection. For severe infections, higher doses may be prescribed. 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.
Elderly DosageElderly patients may have reduced renal function; dose adjustment may be necessary based on creatinine clearance. Use with caution and monitor renal function.
Renal ImpairmentIn patients with renal impairment, dose adjustment is required. For creatinine clearance less than 10 mL/min, the dosing interval should be extended to every 12 hours. Consult a clinician for individualized dosing.
Hepatic ImpairmentNo specific dose adjustment is established for hepatic impairment, but use with caution and monitor liver function.
Maximum Daily DoseThe maximum recommended daily dose is 4 grams of the combination (2 grams ampicillin + 2 grams cloxacillin) for adults, but this may vary based on infection severity and renal function. Do not exceed the prescribed dose.

Dosage Timeline

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

🍽️ Food Timing Guide

With food
Take with meals
Reduces stomach upset and nausea.
High-fat meals
Avoid taking with high-fat meals
May delay absorption of ampicillin.

⏰ What to Do If You Miss a Dose

📌 Less than 3 hours since missed dose
→ Take the missed dose as soon as you remember.
💡 Continue with the regular schedule.
📌 More than 3 hours since missed dose
→ Skip the missed dose.
💡 Do not double dose to catch up.

⚠️ Side Effects of ampoxin 500 capsule

✅ Common Side Effects

Nausea (Common (5-10%))
Take with food to reduce nausea. If persistent, consult your doctor.
Diarrhea (Common (5-10%))
Stay hydrated. If severe or bloody, contact your doctor immediately.
Vomiting (Common (5-10%))
Take with food and avoid large meals. Consult doctor if vomiting persists.
Skin rash (Uncommon (1-5%))
Stop the medicine and consult your doctor if rash develops.
Stomach pain (Common (5-10%))
Take with food. If pain is severe, seek medical advice.

🚨 Serious Side Effects

Anaphylaxis (Rare (<0.1%))
Seek emergency medical help immediately if you experience difficulty breathing, swelling of face or throat, or severe rash.
Clostridioides difficile-associated diarrhea (Rare (<0.1%))
Contact your doctor if you develop severe, persistent diarrhea, especially with blood or mucus.
Hepatotoxicity (Rare (<0.1%))
Report yellowing of skin or eyes, dark urine, or severe abdominal pain to your doctor immediately.
Nephrotoxicity (Rare (<0.1%))
Inform your doctor if you notice decreased urine output or swelling.
Severe skin reactions (e.g., Stevens-Johnson syndrome) (Very rare (<0.01%))
Seek immediate medical attention if you develop a painful rash with blisters or peeling skin.

⚠️ Rare Side Effects

Blood dyscrasias
Report unusual bleeding or bruising to your doctor.
Interstitial nephritis
Seek medical attention if you experience fever, rash, and decreased urine output.
Seizures
Seek emergency care if seizures occur, especially in patients with renal impairment.

Consult your doctor if you experience any unusual symptoms.

🔬 Drug Interactions

Drug Severity Effect
Warfarin Major
Methotrexate Major
Allopurinol Moderate
Oral contraceptives Moderate
Probenecid Moderate
Tetracyclines Moderate
Antacids Minor
Food Minor

🚨 Major Interactions

  • Warfarin
  • Methotrexate
  • Allopurinol

⚡ Moderate Interactions

  • Oral contraceptives
  • Probenecid
  • Tetracyclines

🍷 Alcohol Interaction

Alcohol may worsen gastrointestinal side effects such as nausea and diarrhea. It is advisable to avoid alcohol while taking this medicine.

🔎 Check Your Other Medicines

Educational tool. Always confirm with your doctor or pharmacist.

🛡️ Safety & Warnings

🚫 Contraindications

["Known hypersensitivity to penicillins or cephalosporins.","History of severe allergic reaction to any beta-lactam antibiotic.","Infectious mononucleosis (increased risk of rash).","Concurrent use with live typhoid vaccine (may reduce efficacy)."]

⚠️ Warnings & Precautions

["Serious and occasionally fatal hypersensitivity reactions can occur. Before initiating therapy, inquire about previous hypersensitivity to penicillins, cephalosporins, or other allergens.","Clostridioides difficile-associated diarrhea has been reported with use of antibacterial agents. Consider this diagnosis in patients who present with diarrhea subsequent to administration of antibacterial agents.","Prescribing this medicine in the absence of a proven or strongly suspected bacterial infection is unlikely to provide benefit and increases the risk of development of drug-resistant bacteria.","Use with caution in patients with renal impairment; dose adjustment may be necessary.","Use with caution in patients with hepatic impairment; monitor liver function.","May interfere with certain laboratory tests (e.g., urine glucose tests, Coombs test)."]

🤱 Lactation Safety

Ampicillin and cloxacillin are excreted in breast milk in small amounts. They are generally considered safe during breastfeeding, but monitor the infant for diarrhea or thrush. Consult your doctor.

💊 Overdose Management

Overdose may cause nausea, vomiting, diarrhea, and electrolyte imbalances. In severe cases, neuromuscular excitability or seizures may occur, especially in patients with renal impairment. Treatment is symptomatic and supportive. Hemodialysis may be considered to remove ampicillin from the blood in severe cases. Contact a poison control center or emergency department immediately if overdose is suspected.

⏰ 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 double the dose to catch up.

Additional Safety Advice

General Safety

Take this medicine exactly as prescribed by your doctor. Do not skip doses or stop the course early, even if you feel better. Take with food to reduce stomach upset. Inform your doctor if you have a history of allergy to penicillins or cephalosporins, kidney or liver disease, or if you are pregnant or breastfeeding. Avoid alcohol while taking this medicine as it may worsen side effects. Do not share this medicine with others. Keep out of reach of children.

👴 Special Considerations for Elderly

💡 For Patients Above 65

Elderly patients are more likely to have reduced renal function, which may require dose adjustment. They may also be more susceptible to side effects. Monitor renal function and adjust dose accordingly.

🤰 Pregnancy Planning (TTC)

If you are planning pregnancy, consult your doctor before taking this medicine. It is generally considered safe in pregnancy (Category B), but use only if clearly needed.

🏥 Post-Surgery Considerations

This medicine may be prescribed to prevent or treat surgical site infections. Follow your surgeon's instructions carefully.

🦷 Dental Procedures

This medicine may be used for dental infections or as prophylaxis before dental procedures in certain patients. Inform your dentist if you are taking this medicine.

💚 Lifestyle Tips for Better Results

🏃
Maintain good hygiene to prevent infections.
🥗
Eat a balanced diet to support your immune system.
😴
Stay hydrated by drinking plenty of water.
💧
Get adequate rest to help your body fight infection.
🧘
Avoid sharing personal items like towels or razors if you have a skin infection.

🏋️ Exercise Considerations

If you are feeling weak or have a fever, avoid strenuous exercise until you recover. Light activity like walking is fine if you feel up to it.

🥗 Diet Recommendations

Include probiotic-rich foods like yogurt to help prevent diarrhea.
Stay well hydrated.
Avoid alcohol.
Eat light, easily digestible meals if you have nausea.

💼 Impact on Daily Work & Life

This medicine may cause dizziness or fatigue in some people. If affected, avoid driving or operating heavy machinery until you know how it affects you. Most people can continue their normal activities.

🛑 When to Stop This Medicine

Do not stop this medicine without consulting your doctor, even if you feel better. Complete the full prescribed course. If you experience severe side effects, contact your doctor immediately.

📅 Long-Term Use Effects

Long-term use of this medicine may lead to antibiotic resistance and superinfections such as oral thrush or Clostridioides difficile-associated diarrhea. It may also rarely cause liver or kidney problems. Regular monitoring may be required if used for prolonged periods.

🌿 Non-Medicine Approaches

These can complement medicine but do not replace prescribed treatment.

Other antibiotics

Depending on the infection and susceptibility, other antibiotics like amoxicillin-clavulanate or cephalexin may be used.

Evidence: Well-established
Topical antibiotics for skin infections

For minor skin infections, topical antibiotics like mupirocin may be sufficient.

Evidence: Established

💉 Vaccination Considerations

💉 If You're Getting Vaccinated

This medicine may reduce the efficacy of live bacterial vaccines like typhoid vaccine. Avoid concurrent use. It does not affect viral vaccines.

📦 Storage Guide

✅ DO

Store at room temperature (15-30°C)

❌ DON'T

Do not refrigerate unless specified

✅ DO

Keep in original container

❌ DON'T

Do not transfer to unmarked containers

✅ DO

Keep away from direct sunlight

❌ DON'T

Do not store in bathroom cabinet

✈️ Traveling with This Medicine

When traveling, carry this medicine in its original packaging with a copy of your prescription. Keep it in your carry-on luggage to avoid temperature extremes. If crossing time zones, adjust dosing intervals as advised by your doctor. Ensure you have enough supply for your trip. Check local customs regulations for bringing prescription medicines.

💰 Cost Analysis & Savings

👥 Real Patient Stories

Educational, anonymized scenarios. Individual results may vary.

👤 A 35-year-old man with a skin infection on his leg
He was prescribed this medicine for cellulitis. He took it with food as advised and completed the 7-day course. His infection cleared up within 5 days, but he continued the medicine to prevent recurrence. He experienced mild nausea initially, which subsided after taking it with meals.
💡 Lesson: Taking the full course and with food improves outcomes and reduces side effects.
👤 A 28-year-old woman with a respiratory tract infection
She started this medicine for sinusitis. After 3 days, she felt better and was tempted to stop, but her doctor advised completing the 10-day course. She did so and the infection resolved completely without recurrence.
💡 Lesson: Stopping antibiotics early can lead to relapse and antibiotic resistance.

💬 Questions Patients Often Ask

Q: How long does it take to work?

A: You may start feeling better within 24 to 48 hours, but it is important to complete the full course as prescribed.

Q: Can I take this medicine with food?

A: Yes, taking it with food can help reduce stomach upset.

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

A: Take it as soon as you remember, but if it is almost time for your next dose, skip the missed dose and continue with your regular schedule. Do not double dose.

Q: Is this medicine safe during pregnancy?

A: It is FDA Pregnancy Category B, meaning animal studies show no risk but human studies are lacking. Consult your doctor before use.

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

A: No, you must complete the full course to prevent the infection from returning and to avoid antibiotic resistance.

🤔 Common Patient Concerns

💭 These are the concerns patients most commonly raise

  • Can I take this medicine long-term?
  • Will it affect my kidney function?
  • Can I drive after taking this medicine?
  • Does it interact with my blood pressure medicine?
  • What if I miss a dose?
  • Can I drink alcohol while taking this?

🔄 Substitutes for ampoxin 500 capsule

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 viral infections like the flu.
    Fact: This medicine is an antibiotic and only works against bacterial infections. It is ineffective against viruses.
  • Myth: You can stop taking this medicine once you feel better.
    Fact: You must complete the full course as prescribed to prevent the infection from returning and to avoid antibiotic resistance.
  • Myth: This medicine is safe to take without a prescription.
    Fact: This medicine is a prescription antibiotic and should only be taken under a doctor's supervision.

🔄 Alternative Options

Generic Alternatives

  • Ampicillin and Cloxacillin Capsules

Brand Alternatives

  • Ampoxin 500 Capsule

📊 Comparison with Similar Medicines

[{"medicine":"Ampicillin + Cloxacillin","composition":"Ampicillin 250 mg + Cloxacillin 250 mg","uses":"Skin, respiratory, urinary infections","notes":"Combination extends coverage to penicillinase-producing bacteria."},{"medicine":"Amoxicillin + Clavulanate","composition":"Amoxicillin 500 mg + Clavulanic acid 125 mg","uses":"Broad-spectrum infections","notes":"Clavulanate inhibits beta-lactamase, broader coverage."}]

😊 Was this information helpful?

Browse Medicines A-Z

A B C D E F G H I J K L M N O P Q R S T U V W X Y Z
Back to Medicines Directory