Acuclav 375
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Prescription requiredMacleods Pharmaceuticals Pvt LtdRespiratory medicine
Pirfemac 400 mg
Pirfenidone
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Pirfemac 400 mg is used for this medicine is used in the treatment of breathing difficulty and respiratory conditions.
Medically reviewed by Dr. Balaji Krishnan, MBBS · Updated September 2026
Licensed pharmacyPharmacist-verified order
Key details
Salt: Pirfenidone
Available variants: 400 mg 10`S
Best price: ₹258
MRP: ₹272
Prescription: Required
Manufacturer: MACLEODS PHARMACEUTICALS LTD
Ordering notes
Delivery details are shown when the medicine is back in stock.
Returns & refunds: orders can be cancelled before dispatch; after dispatch, returns depend on the item category. Read the full policy
Composition of Pirfemac 400 mg
Pirfemac 400 mg contains Pirfenidone. It belongs to the Respiratory agent class of medicines.
Uses of Pirfemac 400 mg
This medicine is used in the treatment of breathing difficulty and respiratory conditions.
Key benefits
- Eases breathing
How Pirfemac 400 mg works
Pirfenidone acts on the airways to ease breathing.
How to take Pirfemac 400 mg
Use this medicine as your doctor has directed. Follow the dose and the duration written on your prescription.
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
Take it as soon as you remember. If your next dose is almost due, skip the one you missed — never take two doses together to catch up.
If you take too much
An overdose of this medicine can cause a racing heart, tremor and marked restlessness. Do not wait for symptoms to appear — go to the nearest emergency department and take the pack or strip with you.
Side effects of Pirfemac 400 mg
Most side effects of Pirfemac are mild and settle as the body adjusts. Reported side effects include:
- Headache
- Nausea
- Tremor
- Fast heartbeat
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 Pirfemac 400 mg
| Pregnancy | Consult your doctor before using this in pregnancy. |
|---|---|
| Breastfeeding | Consult your doctor before using this while breastfeeding. |
| Alcohol | Alcohol may worsen the side effects of this medicine. Limit it. |
| Driving | May cause drowsiness or affect your concentration. Do not drive until you know how it affects you. |
| Kidney | Use with caution if you have kidney disease — your doctor may adjust the dose or monitor your kidney function. |
| Liver | Use with caution if you have liver disease — your doctor may adjust the dose or monitor your liver function. |
| Habit forming | No |
Warnings and precautions
Seek emergency care for sudden severe breathlessness or an inability to speak a full sentence. Use this exactly as prescribed and keep your review appointments.
Do not take Pirfemac if
Not for anyone with a known allergy to this medicine or to any ingredient in the pack.
Interactions with other medicines
Tell your doctor about every other respiratory medicine you use.
How to store Pirfemac 400 mg
Store below 30°C in the original pack, away from direct sunlight and moisture. Keep out of the reach of children.
Expert advice for Pirfemac 400 mg
Do not stop a preventive medicine because you feel well.
Manufacturer and class
- Manufacturer:
- MACLEODS PHARMACEUTICALS LTD
- Therapeutic class:
- Respiratory medicine
- Drug class:
- Respiratory agent
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Pirfemac 400 mg FAQs
What is Pirfemac 400 mg used for?
Pirfemac 400 mg is commonly used for This medicine is used in the treatment of breathing difficulty and respiratory conditions. 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 Pirfemac 400 mg?
Pirfemac 400 mg contains Pirfenidone. 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 Pirfemac 400 mg?
Use this medicine as your doctor has directed. Take it exactly as prescribed; do not change the dose or stop early without talking to your doctor.
How does Pirfemac 400 mg work?
Pirfenidone acts on the airways to ease breathing.
Is Pirfemac 400 mg a prescription medicine?
Yes. Pirfemac 400 mg 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 Pirfemac 400 mg?
The side effects reported most often with Pirfemac are Headache, Nausea, Tremor, Fast heartbeat. 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 Pirfemac 400 mg be taken during pregnancy?
Consult your doctor before using this in pregnancy. Always tell your doctor if you are pregnant, planning a pregnancy or breastfeeding before starting Pirfemac.
Can I drink alcohol while taking Pirfemac 400 mg?
Alcohol may worsen the side effects of this medicine.
What if I miss a dose of Pirfemac 400 mg?
Take it as soon as you remember.
Is Pirfemac 400 mg habit forming?
No. Pirfemac 400 mg is not known to be habit forming when taken as prescribed.
How much does Pirfemac 400 mg cost on PingMeDoc Pharmacy?
Pirfemac 400 mg starts at ₹258 (MRP ₹272) on PingMeDoc Pharmacy. Available in 400 mg 10`S. Final price is confirmed at checkout and may vary by variant and location.
Who manufactures Pirfemac 400 mg?
Pirfemac 400 mg is manufactured by MACLEODS PHARMACEUTICALS LTD. PingMeDoc Pharmacy sources medicines only from licensed manufacturers and distributors.
How is Pirfemac 400 mg delivered?
Pirfemac 400 mg 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.
Pirfemac 400 mg, Quick facts
- Salt
- Pirfenidone
- Best price
- ₹258
- MRP
- ₹272
- Prescription
- Required (Rx)
- Brand
- Macleods Pharmaceuticals Pvt Ltd
- Manufacturer
- MACLEODS PHARMACEUTICALS LTD
- Therapeutic class
- Respiratory medicine
- Drug class
- Respiratory agent
- Habit forming
- No
- Variants
- 400 mg 10`S
- Delivery
- Standard across India
References
The information on Pirfemac 400 mg 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.
- PingMeDoc clinical monograph library — compiled from Indian package inserts, the Indian Pharmacopoeia
- CDSCO schedules and standard pharmacology references. Reviewed for patient readability. This is general information, not a substitute for your doctor's advice.
- 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 Pirfemac 400 mg.
- World Health Organization, ATC/DDD classification and Model Formulary for the active ingredient.
Next steps
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.