lycalamine lotion - Calamine (8% w/v) + Diphenhydramine (1% w/v) medicine

Lycalamine Lotion: Complete Guide to Uses, Dosage, and Safety

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🏭 Lyra Laboratories Pvt Ltd 📦 Varies by brand 💊 Allopathy 📅 Updated: Oct 22, 2026
📋 Prescription Required 💊 Generic Available
Medically Reviewed
12 min read
Evidence: Well-established for symptomatic relief of itching and minor skin irritation.
Reviewed by
SaathiMed Expert Panel | Oct 22, 2026
🩺
Medically Fact-Checked & Clinically Verified by SaathiMed Clinical Review Board
Clinical Reference Standards: CDSCO (Central Drugs Standard Control Organisation), Indian Pharmacopoeia (IP) & WHO | Last Updated: September 2026

When to Call Your Doctor IMMEDIATELY

  • Swelling of the face, lips, tongue, or throat
  • Difficulty breathing or wheezing
  • Severe rash, blistering, or peeling skin
  • Signs of infection such as pus, increased pain, or fever
  • Drowsiness, confusion, or dizziness after application
  • Symptoms that worsen despite treatment
  • No improvement after 7 days of use

If experiencing severe symptoms, call emergency services immediately.

What is lycalamine lotion used for?

This medicine is a topical lotion containing calamine 8% w/v and diphenhydramine 1% w/v. It is used to relieve itching, irritation, and discomfort from insect bites, contact dermatitis, sunburn, and prickly heat. Apply a thin layer to the affected area up to 3-4 times daily. It is for external use only.

  • Generic Name: Calamine (8% w/v) + Diphenhydramine (1% w/v)
  • Manufacturer: Lyra Laboratories Pvt Ltd
  • Form: Allopathy
  • Pregnancy Category: Consult doctor
  • Prescription Required: Yes

🇮🇳 lycalamine lotion के बारे में (Hindi Summary)

उपयोग: यह दवा एक टॉपिकल लोशन है जिसमें कैलामाइन 8% w/v और डाइफेनहाइड्रामिन 1% w/v शामिल हैं। इसका उपयोग कीड़े के काटने, संपर्क से होने वाली एलर्जी, सनबर्न, और घमौरियों से होने वाली खुजली, जलन और असुविधा को कम करने के लिए किया जाता है। यह त्वचा पर एक सुरक्षात्मक परत बनाता है और खुजली पैदा करने वाले हिस्टामिन को रोकता है। इसे प्रभावित हिस्से पर दिन में 3-4 बार पतली परत में लगाएं। यह केवल बाहरी उपयोग के लिए है, इसे कभी भी मुंह से न लें।

साइड इफेक्ट्स: इस दवा के आम दुष्प्रभावों में लगाने की जगह पर हल्की जलन, सूखापन, या लालिमा शामिल हो सकती है। कभी-कभी एलर्जी के कारण त्वचा पर चकत्ते, सूजन, या खुजली बढ़ सकती है। बहुत कम मामलों में गंभीर एलर्जी प्रतिक्रिया हो सकती है जैसे चेहरे, होंठ, या गले में सूजन, या सांस लेने में कठिनाई। अगर ऐसा हो तो तुरंत डॉक्टर से मिलें।

सुरक्षा सलाह: यह दवा केवल बाहरी उपयोग के लिए है, इसे कभी भी मुंह से न लें। आंखों, होंठ, नाक, या मुंह के अंदर लगाने से बचें। अगर गलती से लग जाए तो पानी से अच्छी तरह धो लें। बड़े क्षेत्रों पर या टूटी त्वचा पर बिना डॉक्टर की सलाह के न लगाएं। बच्चों में उपयोग से पहले डॉक्टर से सलाह लें। गर्भावस्था या स्तनपान के दौरान डॉक्टर से परामर्श करें। 7 दिनों से अधिक उपयोग न करें। बच्चों की पहुंच से दूर रखें।

💡 Did You Know? India is the largest provider of generic medicines globally, supplying over 50% of global vaccine demand.

💊 lycalamine lotion Uses & Benefits

[{"condition":"Insect bites and stings","description":"Relieves itching, redness, and mild inflammation" class="semantic-link" title="Medicines for swelling">swelling caused by mosquito bites, bee stings, and other insect bites.","evidence":"Well-established"},{"condition":"Contact dermatitis","description":"Soothes skin irritation and itching resulting from contact with allergens or irritants such as poison ivy, poison oak, soaps, and cosmetics.","evidence":"Well-established"},{"condition":"Sunburn","description":"Provides cooling relief and reduces pain and itching associated with mild to moderate sunburn.","evidence":"Well-established"},{"condition":"Prickly heat (miliaria)","description":"Helps dry out sweat rash and calms the associated itching and discomfort.","evidence":"Well-established"},{"condition":"Minor cuts and scrapes","description":"Acts as a skin protectant to prevent irritation and promotes a soothing environment for minor wound healing.","evidence":"Well-established"},{"condition":"Eczema (atopic dermatitis)","description":"Provides temporary relief from itching and irritation in mild eczema flare-ups.","evidence":"Limited"},{"condition":"Chickenpox rash","description":"Helps reduce itching associated with chickenpox lesions in children, but should be used only under medical advice.","evidence":"Limited"}]

Off-label uses: [{"condition":"Diaper rash","description":"Sometimes used to soothe diaper rash, but barrier creams are generally preferred.","evidence":"Limited"},{"condition":"Heat rash in adults","description":"May be used off-label to relieve itching from heat rash, though specific studies are lacking.","evidence":"Limited"}]

Primary treatment for: Pruritus (itching) associated with minor skin conditions

Also treats: Insect bites, Contact dermatitis, Sunburn, Prickly heat, Minor cuts and scrapes

📋 Drug Information

Generic Name(s)Calamine (8% w/v) + Diphenhydramine (1% w/v)
Brand Namelycalamine lotion
ManufacturerLyra Laboratories Pvt Ltd
Packaging / FormVaries by brand (Allopathy)
Therapeutic ClassDERMA
Action Class
Route of AdministrationTopical
StorageStore at room temperature between 15°C and 30°C. Keep away from direct sunlight and moisture. Do not freeze.
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
Apply this medicine only to clean, dry skin for best results.
2
Use a thin layer; a thick application does not speed up relief and may cause irritation.
3
Avoid applying to large areas of the body, especially in children, to prevent systemic absorption.
4
If you are using other topical products, wait at least 30 minutes between applications.
5
Do not cover the treated area with tight bandages unless your doctor advises it.
6
If symptoms do not improve within 7 days, stop use and consult a doctor.
7
Keep the lotion away from the eyes and mucous membranes.

🔍 Is This Medicine Right for Your Symptom?

Educational reference. Always consult a doctor for diagnosis.

✅
Itching from insect bites
This medicine is commonly used for this purpose.
Likely Use
✅
Sunburn pain and itching
This medicine can soothe sunburn.
Likely Use
❌
Fever
This medicine is not a fever reducer.
Not Primary
❌
Deep wound or infection
Do not apply to infected or deep wounds without medical advice.
Not Primary

🔬 How This Medicine Works (Pharmacology)

Pharmacokinetics

AbsorptionMinimal systemic absorption occurs when this medicine is applied to intact skin. However, absorption may increase if applied to broken skin, large surface areas, or under occlusive dressings.
DistributionNot established from the available information.
Protein BindingNot established from the available information.
MetabolismDiphenhydramine is metabolized in the liver primarily by cytochrome P450 enzymes, mainly CYP2D6. Calamine is not metabolized as it acts locally.
Half-LifeThe elimination half-life of diphenhydramine is approximately 4 to 6 hours. Calamine is not absorbed systemically to a significant extent.
ExcretionDiphenhydramine and its metabolites are excreted primarily in the urine. Calamine is excreted via the skin as it is not systemically absorbed.
BioavailabilityNot established from the available information for topical application.
Onset of ActionRelief from itching typically begins within minutes to an hour after application.
Peak Plasma TimeNot established from the available information.
Duration of ActionThe soothing effect usually lasts for several hours, and the lotion may be reapplied as needed up to three to four times daily.

How It Works

This medicine combines the actions of calamine and diphenhydramine. Calamine, which contains zinc oxide and ferric oxide, acts as a mild astringent and skin protectant. It helps absorb excess moisture and forms a physical barrier on the skin, reducing irritation and promoting drying of weeping lesions. Diphenhydramine is a first-generation antihistamine that competes with histamine for H1-receptor sites on effector cells in the skin and blood vessels. By blocking histamine, it reduces itching, redness, and swelling associated with allergic reactions and insect bites. When applied topically, diphenhydramine provides local antipruritic effects, though some systemic absorption can occur.

Mechanism Steps

1
Application and barrier formation: Calamine forms a protective layer on the skin, absorbing moisture and reducing irritation.
2
Histamine receptor blockade: Diphenhydramine binds to H1 receptors on skin cells, preventing histamine from triggering itch and allergic responses.
3
Reduction of itching: By blocking histamine, diphenhydramine reduces the sensation of itch and associated redness.
4
Soothing and drying: Calamine's astringent properties help dry out weeping lesions and soothe inflamed skin.

💡 How to Take lycalamine lotion

Strength: Lotion containing Calamine 8% w/v and Diphenhydramine 1% w/v.

1Wash your hands thoroughly before and after applying this medicine.
2Clean the affected skin gently with mild soap and water, then pat dry.
3Shake the lotion bottle well before use.
4Apply a thin layer of the lotion to the affected area using a clean cotton pad or fingertips.
5Allow the lotion to dry completely before covering with clothing.
6Do not bandage tightly unless instructed by a doctor.
7Wash your hands after application to avoid spreading the medicine to other areas.

Dosage Information

Adult DosageApply a thin layer of this medicine to the affected area of skin up to three to four times daily, or as directed by a healthcare professional. Clean and dry the area before application. Rub in gently if needed. Do not cover with tight bandages unless instructed. The dose and frequency must be individualized by a qualified clinician based on the condition being treated, the extent of the affected area, and the patient's overall health. Do not exceed the recommended frequency. If symptoms persist beyond 7 days, consult a doctor.
Pediatric DosagePediatric dosing is not established from available information. Consult a pediatrician. This medicine should not be used in children under 2 years of age without medical advice. For children 2 years and older, apply sparingly to the affected area only under adult supervision, and avoid application to large areas or broken skin.
Elderly DosageElderly patients may be more sensitive to the anticholinergic effects of diphenhydramine if absorbed systemically. Use with caution and consult a doctor for appropriate use. No specific dose adjustment is established for topical use.
Renal ImpairmentNo dose adjustment is established for topical use. Consult a doctor if you have severe kidney disease.
Hepatic ImpairmentNo dose adjustment is established for topical use. Consult a doctor if you have severe liver disease.
Maximum Daily DoseNot established from the available information. Do not exceed the frequency recommended by your healthcare professional.

Dosage Timeline

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

⏰ What to Do If You Miss a Dose

📌 If you remember within a few hours of the missed application
→ Apply the missed dose as soon as you remember.
💡 Continue with your regular schedule.
📌 If it is almost time for your next application
→ Skip the missed dose.
💡 Do not apply extra lotion to make up for the missed dose.

⚠️ Side Effects of lycalamine lotion

✅ Common Side Effects

Mild burning or stinging at application site (Common (5-10%))
Usually resolves on its own. If persistent or severe, discontinue use and consult a doctor.
Skin dryness (Common (5-10%))
Apply a moisturizer after the lotion has dried, or reduce frequency of application.
Redness or irritation (Uncommon (1-5%))
Stop using the product and consult a healthcare professional if redness worsens.

🚨 Serious Side Effects

Severe allergic reaction (anaphylaxis) (Rare (<0.1%))
Seek immediate medical attention if you experience swelling of the face, lips, throat, or difficulty breathing.
Contact dermatitis (Rare (<0.1%))
Discontinue use and consult a doctor if you develop a rash, blistering, or worsening itching.
Systemic anticholinergic effects (drowsiness, dry mouth, blurred vision) (Rare (<0.1%))
Avoid driving or operating machinery if affected. Consult a doctor if symptoms persist.

⚠️ Rare Side Effects

Photosensitivity reaction
Protect treated skin from sunlight and consult a doctor if reaction occurs.
Excitation or restlessness (especially in children)
Discontinue use and consult a pediatrician if unusual behavior is noted.

Consult your doctor if you experience any unusual symptoms.

🔬 Drug Interactions

Drug Severity Effect
MAOIs Major
CNS depressants Moderate
Other topical antihistamines Moderate
Topical corticosteroids Minor

🚨 Major Interactions

  • Other topical antihistamines or anesthetics
  • Oral monoamine oxidase inhibitors (MAOIs)

⚡ Moderate Interactions

  • Oral central nervous system depressants (e.g., benzodiazepines, opioids, alcohol)
  • Other topical products containing diphenhydramine

🍷 Alcohol Interaction

Alcohol may increase drowsiness and sedation if diphenhydramine is absorbed systemically. Avoid alcohol while using this medicine, especially if applying to large areas or broken skin.

🔎 Check Your Other Medicines

Educational tool. Always confirm with your doctor or pharmacist.

🛡️ Safety & Warnings

🚫 Contraindications

["Known hypersensitivity to calamine, diphenhydramine, or any component of the formulation.","Application to large areas of broken or infected skin.","Use on mucous membranes, eyes, or inside the nose or mouth.","Use in children under 2 years of age without medical advice."]

⚠️ Warnings & Precautions

["For external use only. Do not swallow.","Avoid contact with eyes. If contact occurs, rinse thoroughly with water.","Do not apply to large areas of the body, especially in children, without consulting a doctor.","Do not use under tight bandages or dressings unless directed by a doctor.","Consult a doctor if symptoms persist for more than 7 days or worsen.","Keep out of reach of children.","If pregnant or breastfeeding, consult a doctor before use.","May cause drowsiness if absorbed systemically; avoid driving or operating machinery if affected."]

🤱 Lactation Safety

It is not known whether diphenhydramine is excreted in breast milk when applied topically. Consult a doctor before use while breastfeeding. Avoid applying to the breast area to prevent infant exposure.

💊 Overdose Management

Overdose from topical use is unlikely. If accidental ingestion occurs, seek immediate medical attention. Symptoms of diphenhydramine overdose may include drowsiness, confusion, dry mouth, blurred vision, rapid heartbeat, hallucinations, seizures, or difficulty urinating. Treatment is supportive and symptomatic. Contact a poison control center or emergency department immediately.

⏰ Missed Dose

If you miss a dose, apply 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 apply extra lotion to make up for a missed dose.

Additional Safety Advice

General Safety

This medicine is for external use only and should never be taken by mouth. Before applying, wash your hands thoroughly and clean the affected area gently with mild soap and water, then pat dry. Apply a thin layer of the lotion to the affected skin using a clean cotton pad or your fingertips, and allow it to dry. Avoid contact with the eyes, eyelids, lips, inside the nose, mouth, or other mucous membranes. If accidental contact occurs, rinse thoroughly with water. Do not apply to large areas of the body, especially in children, without consulting a doctor. Do not cover the treated area with tight bandages or dressings unless instructed by a healthcare professional. If you are pregnant, planning to become pregnant, or breastfeeding, consult your doctor before using this medicine. Keep this medicine out of the reach of children. Do not use it for more than seven days unless directed by a doctor. If the condition worsens or does not improve, stop use and consult a healthcare professional. Avoid using other topical products on the same area without medical advice, as this may cause irritation or reduce effectiveness.

👴 Special Considerations for Elderly

💡 For Patients Above 65

Elderly patients may be more sensitive to the anticholinergic effects of diphenhydramine if absorbed systemically. Use with caution and consult a doctor if you have any concerns. No specific dose adjustment is established for topical use.

🤰 Pregnancy Planning (TTC)

If you are planning to become pregnant, consult your doctor before using this medicine. There is no established data on the safety of topical calamine and diphenhydramine during pregnancy. Your doctor can help weigh the benefits and risks.

🏥 Post-Surgery Considerations

Consult your surgeon or doctor before applying this medicine to surgical wounds or nearby skin. It is generally not recommended for use on healing surgical incisions without medical advice.

🦷 Dental Procedures

This medicine is applied to the skin and is not expected to interfere with dental procedures. However, inform your dentist about all medications you are using.

💚 Lifestyle Tips for Better Results

🏃
Avoid scratching the affected area to prevent skin damage and infection.
🥗
Keep your skin clean and dry to promote healing.
😴
Wear loose, breathable clothing to reduce irritation.
💧
Use a cool compress to soothe itching before applying the lotion.
🧘
Stay hydrated to maintain healthy skin.
🌞
Avoid known allergens or irritants that trigger your skin condition.

🏋️ Exercise Considerations

Exercise is generally safe while using this medicine. However, if you experience drowsiness after application, avoid activities that require alertness, such as operating machinery or heavy lifting. Sweating may cause the lotion to wear off; reapply as needed after washing the area.

🥗 Diet Recommendations

Include foods rich in omega-3 fatty acids to reduce inflammation.
Eat plenty of fruits and vegetables for antioxidant support.
Stay well hydrated by drinking adequate water.
Limit processed foods and added sugars that may worsen inflammation.

💼 Impact on Daily Work & Life

This medicine is unlikely to affect your ability to work unless you experience drowsiness from systemic absorption. If you feel drowsy, avoid driving or operating heavy machinery. The lotion may leave a visible residue on the skin, so apply it when you do not need to be presentable immediately.

🛑 When to Stop This Medicine

Stop using this medicine and consult a doctor if your symptoms do not improve within 7 days, if they worsen, or if you develop signs of an allergic reaction such as rash, swelling, or difficulty breathing. Do not stop prescribed treatment without consulting your healthcare provider.

📅 Long-Term Use Effects

Long-term use of this medicine is generally not recommended without medical supervision. Prolonged application over large areas may increase the risk of systemic absorption of diphenhydramine, leading to drowsiness or other anticholinergic effects. If your symptoms persist for more than 7 days, consult a doctor to determine the underlying cause and appropriate treatment.

🌿 Non-Medicine Approaches

These can complement medicine but do not replace prescribed treatment.

Cool compresses

Applying a cool, damp cloth to the affected area can help reduce itching and inflammation.

Evidence: Well-established
Oatmeal baths

Colloidal oatmeal baths can soothe irritated skin and reduce itching.

Evidence: Well-established
Avoiding triggers

Identifying and avoiding allergens or irritants can prevent recurrence.

Evidence: Well-established

💉 Vaccination Considerations

💉 If You're Getting Vaccinated

There are no known interactions between this medicine and vaccines. You can receive vaccinations while using this topical product.

📦 Storage Guide

✅ DO

Store at room temperature (15-30°C)

❌ DON'T

Do not refrigerate or freeze

✅ DO

Keep the bottle tightly closed when not in use

❌ DON'T

Do not leave the cap off for extended periods

✅ DO

Keep away from direct sunlight and heat

❌ DON'T

Do not store in the bathroom or near a sink

✅ DO

Keep out of reach of children

❌ DON'T

Do not transfer to another container

✈️ Traveling with This Medicine

When traveling with this medicine, keep it in its original packaging with the prescription label if applicable. Carry a copy of your prescription or a letter from your doctor, especially for international travel. Store at room temperature and protect from direct sunlight. The lotion bottle should be tightly closed to prevent leakage. If you are crossing time zones, you can continue your regular application schedule as needed for symptom relief. Check customs regulations for topical medications before traveling abroad.

💰 Cost Analysis & Savings

👥 Real Patient Stories

Educational, anonymized scenarios. Individual results may vary.

👤 A 35-year-old woman with a itchy rash from poison ivy
She applied this medicine three times a day to the affected area. Within two days, the itching reduced significantly, and the rash began to dry out. She noted that applying a thin layer was enough and that over-applying caused mild stinging.
💡 Lesson: Consistent, thin application provides effective relief without increasing side effects.
👤 A 6-year-old child with chickenpox
The child's mother used this medicine on the spots after consulting a pediatrician. It helped soothe the itching and prevented scratching. The mother was careful to avoid the face and broken skin.
💡 Lesson: In children, use only under medical guidance and avoid application to large areas or sensitive regions.

💬 Questions Patients Often Ask

Q: How long does it take to work?

A: Relief from itching usually begins within minutes to an hour after application.

Q: How often can I apply this lotion?

A: You can apply it up to 3-4 times daily, or as directed by your doctor.

Q: Is it safe for children?

A: It should not be used in children under 2 years without medical advice. For older children, use sparingly under adult supervision.

Q: Can I use it on broken skin?

A: Avoid applying to large areas of broken or infected skin unless your doctor advises otherwise.

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

A: Apply it as soon as you remember, but if it's almost time for the next dose, skip the missed dose and continue your regular schedule.

🤔 Common Patient Concerns

💭 These are the concerns patients most commonly raise

  • Can I use this medicine on my face?
  • Is it safe for long-term use?
  • Can I use it with other skin products?
  • Will it make me sleepy?
  • What if I accidentally swallow it?
  • Can I use it on a baby?

🔄 Substitutes for lycalamine lotion

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 be taken orally for allergies.
    Fact: This medicine is for external use only and must never be swallowed.
  • Myth: More lotion means faster relief.
    Fact: Applying more than a thin layer does not improve efficacy and may increase side effects.
  • Myth: It is safe to use on any skin condition.
    Fact: It should not be used on large areas of broken or infected skin without medical advice.

🔄 Alternative Options

Generic Alternatives

  • Calamine lotion with diphenhydramine (generic)

Brand Alternatives

  • Lycalamine lotion

📊 Comparison with Similar Medicines

[{"medicine":"This medicine","active_ingredients":"Calamine 8% w/v + Diphenhydramine 1% w/v","primary_use":"Itching and skin irritation","route":"Topical"},{"medicine":"Calamine lotion alone","active_ingredients":"Calamine 8% w/v","primary_use":"Soothing and drying skin","route":"Topical"},{"medicine":"Diphenhydramine cream","active_ingredients":"Diphenhydramine 1-2%","primary_use":"Itching and allergic skin reactions","route":"Topical"}]

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