Acetamide 250
Micro Labs - 10 S
₹43
Prescription required
Prescription requiredMicro LabsANTI INFECTIVES
Herperax-400 Tablet
Acyclovir (400mg)
Herperax-400 Tablet is used for genital herpes infection Chickenpox Herpes Simplex Virus Infections Herpes labialis Shingles.
Medically reviewed by Dr. Balaji Krishnan, MBBS · Updated August 2026
₹146₹14.59 per tablet
100% genuine medicinesPharmacist-verified orderDelivered across India
Key details
Salt: Acyclovir (400mg)
Available variants: tablet tablet 10`S
Best price: ₹146 (₹14.59 per tablet)
Prescription: Required
Manufacturer: MICRO LABS
Ordering notes
Standard delivery across India. No same-day delivery nationally.
Chennai express delivery is possible and chargeable. Learn more
Returns & refunds: orders can be cancelled before dispatch; after dispatch, returns depend on the item category. Read the full policy
Composition of Herperax-400 Tablet
Herperax-400 Tablet contains Acyclovir (400mg).
Uses of Herperax-400 Tablet
Genital herpes infection Chickenpox Herpes Simplex Virus Infections Herpes labialis Shingles
Key benefits
- In Genital herpes infection Genital herpes is a viral infection that causes painful blisters or sores in the genital area. Herperax 400 Tablet helps reduce the severity and duration of these outbreaks by controlling the growth of the virus. It also helps relieve pain
- itching
- and discomfort while promoting faster healing. In Chickenpox Chickenpox causes itchy blisters
- fever
- and tiredness
- mainly in children. Herperax 400 Tablet helps control the spread of the virus
- reduces the number of blisters
- and speeds up recovery. It also lowers the risk of complications
- helping the child feel better sooner. In Herpes Simplex Virus Infections Herpes simplex infections can cause cold sores
- blisters
- or painful skin lesions. Herperax 400 Tablet works by stopping the virus from multiplying
- helping reduce symptoms like pain and itching. It also shortens healing time and prevents new sores from forming. In Herpes labialis Herpes labialis
- commonly known as cold sores
- causes painful blisters around the lips and mouth. Herperax 400 Tablet helps stop the virus from multiplying
- which reduces pain
- burning
- and itching. It also speeds up healing and helps prevent the formation of new sores. In Shingles Shingles is a viral infection that causes a painful rash. Herperax 400 Tablet can shorten the length and severity of shingles. It is most effective if you start taking it as soon as possible after the rash appears. Keeping the immune system healthy is the best way to prevent shingles. Maintaining good hygiene is another way of preventing shingles. Show More
How Herperax-400 Tablet works
Herperax 400 Tablet is an antiviral medication. It prevents the multiplication of virus in human cells. This stops the virus from producing new viruses and clears up your infection.
How to take Herperax-400 Tablet
Take this medicine in the dose and duration as advised by your doctor. Swallow it as a whole. Do not chew, crush or break it. Herperax 400 Tablet may be taken with or without food.
Take it exactly as your doctor prescribed. Do not change the dose or stop early on your own.
Missed dose and overdose
If you miss a dose
If you miss a dose of Herperax 400 Tablet, take it as soon as possible. However, if it is almost time for your next dose, skip the missed dose and go back to your regular schedule. Do not double the dose.
If you take too much
Taking more Herperax-400 than prescribed can be harmful. If you suspect an overdose, contact a doctor or go to the nearest emergency department at once, and carry the pack or strip with you. In India the emergency number is 112.
Side effects of Herperax-400 Tablet
Most side effects of Herperax-400 are mild and settle as the body adjusts. Reported side effects include:
- Most side effects do not require any medical attention and disappear as your body adjusts to the medicine. Consult your doctor if they persist or if you’re worried about them
Stop the medicine and seek help immediately for a rash, swelling of the face or lips, wheezing or difficulty breathing. Tell your doctor about any side effect that persists or worries you.
Safety advice for Herperax-400 Tablet
| Pregnancy | Pregnancy CONSULT YOUR DOCTOR |
|---|---|
| Breastfeeding | Breast feeding CAUTION |
| Alcohol | Alcohol CONSULT YOUR DOCTOR |
| Driving | Driving CONSULT YOUR DOCTOR |
| Kidney | Kidney CAUTION |
| Liver | Liver CONSULT YOUR DOCTOR |
| Habit forming | No |
Interactions with other medicines
Tell your doctor or pharmacist about every medicine you take, including over-the-counter products, vitamins and herbal or ayurvedic preparations, before starting Herperax-400. Some combinations can change how Herperax-400 works or raise the chance of side effects.
How to store Herperax-400 Tablet
Store Herperax-400 below 30°C in a cool, dry place away from direct sunlight and moisture. Keep the pack tightly closed and out of the reach of children. Do not use it after the expiry date printed on the pack.
Expert advice for Herperax-400 Tablet
Do not skip any doses and finish the full course of treatment even if you feel better. Drink plenty of water while on treatment with this medicine. This helps to prevent dehydration and kidney damage. If you have genital herpes, use barrier methods (condoms) for contraception and avoid sexual contact while the sores are present. Inform your doctor if you are pregnant or planning to conceive or breastfeeding.
Manufacturer and class
- Manufacturer:
- MICRO LABS
- Therapeutic class:
- ANTI INFECTIVES
- Chemical class:
- Hypoxanthines
Substitutes for Herperax-400 Tablet
Medicines with the same active ingredient (Acyclovir (400mg)). Ask your doctor or pharmacist before switching brands.
| Medicine | Pack | Price | vs Herperax-400 Tablet |
|---|---|---|---|
| Zovirax 400GLAXO SMITHKLINE PHARMA | 10`S | ₹146 | same price |
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Herperax-400 Tablet FAQs
What is Herperax-400 Tablet used for?
Herperax-400 Tablet is commonly used for Genital herpes infection Chickenpox Herpes Simplex Virus Infections Herpes labialis Shingles. Always follow your doctor's advice, this information is for educational purposes and not a substitute for professional medical guidance.
What is the salt in Herperax-400 Tablet?
Herperax-400 Tablet contains Acyclovir (400mg). If you are allergic to any of these active ingredients or excipients, do not take this medicine and speak to your doctor first.
How should I take Herperax-400 Tablet?
Take this medicine in the dose and duration as advised by your doctor. Take it exactly as prescribed; do not change the dose or stop early without talking to your doctor.
How does Herperax-400 Tablet work?
Herperax 400 Tablet is an antiviral medication.
Is Herperax-400 Tablet a prescription medicine?
Yes. Herperax-400 Tablet is a prescription-only (Rx) medicine. Upload a valid prescription from a registered medical practitioner during checkout. We cannot dispense it without a valid Rx.
What are the common side effects of Herperax-400 Tablet?
The side effects reported most often with Herperax-400 are Most side effects do not require any medical attention and disappear as your body adjusts to the medicine. Consult your doctor if they persist or if you’re worried about them. Most are mild and settle as the body adjusts; tell your doctor if any of them persist or worry you, and stop the medicine and seek help at once for a rash, swelling of the face or lips, or difficulty breathing.
Can Herperax-400 Tablet be taken during pregnancy?
Pregnancy CONSULT YOUR DOCTOR Always tell your doctor if you are pregnant, planning a pregnancy or breastfeeding before starting Herperax-400.
Can I drink alcohol while taking Herperax-400 Tablet?
Alcohol CONSULT YOUR DOCTOR
What if I miss a dose of Herperax-400 Tablet?
If you miss a dose of Herperax 400 Tablet, take it as soon as possible.
Is Herperax-400 Tablet habit forming?
No. Herperax-400 Tablet is not known to be habit forming when taken as prescribed.
Is there a cheaper substitute for Herperax-400 Tablet?
Zovirax 400 has the same active ingredient and strength and is listed from ₹146 on PingMeDoc Pharmacy. Ask your doctor or pharmacist before switching brands, the salt is the same, but excipients and release profiles can differ.
How much does Herperax-400 Tablet cost on PingMeDoc Pharmacy?
Herperax-400 Tablet starts at ₹146 on PingMeDoc Pharmacy. Available in tablet tablet 10`S. Final price is confirmed at checkout and may vary by variant and location.
Who manufactures Herperax-400 Tablet?
Herperax-400 Tablet is manufactured by MICRO LABS. PingMeDoc Pharmacy sources medicines only from licensed manufacturers and distributors.
How is Herperax-400 Tablet delivered?
Herperax-400 Tablet is delivered across India via our licensed pharmacy partners. Standard delivery timelines are confirmed at checkout. Chennai customers can opt for chargeable same-city express delivery.
Herperax-400 Tablet, Quick facts
- Salt
- Acyclovir (400mg)
- Form
- tablet
- Best price
- ₹146 (₹14.59 per tablet)
- Prescription
- Required (Rx)
- Schedule
- Schedule H
- Brand
- MICRO LABS
- Manufacturer
- MICRO LABS
- Therapeutic class
- ANTI INFECTIVES
- Chemical class
- Hypoxanthines
- Action class
- Antiviral Agents (Non-HIV)
- Habit forming
- No
- Variants
- tablet tablet 10`S
- Delivery
- Standard across India
References
The information on Herperax-400 Tablet is compiled from the manufacturer's prescribing information and the sources below, and is reviewed by a registered medical practitioner. It does not replace advice from your own doctor.
- Central Drugs Standard Control Organisation (CDSCO), Ministry of Health & Family Welfare, Government of India, approved drug and schedule listings.
- National List of Essential Medicines (NLEM) 2022, Government of India.
- Manufacturer's package insert / prescribing information for Herperax-400 Tablet.
- World Health Organization, ATC/DDD classification and Model Formulary for the active ingredient.
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Safety disclaimer
Product information is for general awareness and does not replace professional medical advice. Always follow a clinician's guidance and upload a valid prescription when required.