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OTC · No prescriptionZydus Healthcare PharmaPAIN ANALGESICS

Inac 50 mg Tablet

Diclofenac (50mg)

Currently out of stock

Same composition, in stock now. Check with your doctor or pharmacist before you switch.

  • Nac-50 Tablet₹18View
  • Reactin 050 mg Tablet₹19View
  • Diclovag 50 mg Tablet₹20View

Inac 50 mg Tablet is used for pain relief.

Medically reviewed by Dr. Balaji Krishnan, MBBS · Updated September 2026

Licensed pharmacyPharmacist-verified order

Key details

Salt: Diclofenac (50mg)
Available variants: tablet 50 mg 10`S
Best price: ₹21 (₹2.05 per tablet)
MRP: ₹22
Prescription: Not required
Manufacturer: ZYDUS HEALTHCARE PHARMA

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

Same salt, lower price

Medicines with the same active ingredient and strength as Inac 50 mg Tablet.

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Inac 50 mg Tablet

tablet - 50 mg - 10 S

₹21

₹2.05 per tablet

  • Nac-50 Tab

    SYSTOPIC LAB · tablet - 50mg - 10 S

    ₹18

    ₹1.76 per tablet

    Save 14%
Compare all substitutes
Same salt, different brand — what does that mean?

A substitute contains the same active ingredient (salt), in the same strength, as Inac 50 mg Tablet. The medicine inside is the same — the brand name, manufacturer and price are what differ.

All medicines sold in India, branded or generic, must meet the quality standards set by the national drug regulator (CDSCO). A lower price does not mean lower quality.

Please confirm with your doctor or pharmacist before switching brands — they will check that the strength and form match your prescription.

Composition of Inac 50 mg Tablet

Inac 50 mg Tablet contains Diclofenac (50mg). It belongs to the Non-steroidal anti-inflammatory drug class of medicines.

Uses of Inac 50 mg Tablet

Pain relief

Key benefits

  • In Pain relief Inac 50 Tablet belongs to a group of medicines called nonsteroidal anti-inflammatory drugs (NSAIDs). It is used for short-term relief of pain
  • inflammation
  • and swelling in conditions that affect joints and muscles. It works by blocking chemical messengers in the brain that tell us we have pain. It can help relieve pain in conditions like rheumatoid arthritis and osteoarthritis. Take it as it is prescribed to get the most benefit. Do not take more or longer than needed as that can be dangerous. In general
  • you should take the lowest dose that works
  • for the shortest possible time. This will help you to go about your daily activities more easily and have a better
  • more active
  • quality of life.

How Inac 50 mg Tablet works

Inac 50 Tablet is a non-steroidal anti-inflammatory drug (NSAID). It works by blocking the release of certain chemical messengers that cause pain and inflammation (redness and swelling).

How to take Inac 50 mg 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. Inac 50 Tablet should be taken with or after 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 Inac 50 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

An overdose of this medicine can cause stomach bleeding, kidney failure, drowsiness and fits. Do not wait for symptoms to appear — go to the nearest emergency department and take the pack or strip with you.

Side effects of Inac 50 mg Tablet

Most side effects of Inac 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 Inac 50 mg Tablet

PregnancyPregnancy UNSAFE
BreastfeedingBreast feeding CONSULT YOUR DOCTOR
AlcoholAlcohol CONSULT YOUR DOCTOR
DrivingDriving UNSAFE
KidneyKidney CAUTION
LiverLiver CAUTION
Habit formingNo

Warnings and precautions

Take it with or just after food, and for the shortest time that works. Stop and seek urgent care for black or tarry stools, vomiting blood, or severe stomach pain — this group can cause bleeding from the stomach. Long or high-dose use raises the risk of heart attack, stroke and kidney injury, particularly in older people and those already at risk. Avoid if you are dehydrated or have an illness with vomiting or loose motions — the kidneys are vulnerable then. Must be avoided in the last three months of pregnancy.

Do not take Inac if

Not for anyone with a known allergy to this medicine or to any ingredient in the pack. Not for people with an active stomach ulcer, severe kidney or heart failure, or asthma triggered by aspirin or anti-inflammatory painkillers. Not in the third trimester of pregnancy.

Interactions with other medicines

Combining with a blood thinner or aspirin sharply raises the bleeding risk. Reduces the effect of blood pressure medicines and water tablets, and together with them can harm the kidneys. Never take two anti-inflammatory painkillers at the same time.

How to store Inac 50 mg Tablet

Store below 30°C in the original pack, away from direct sunlight and moisture. Keep out of the reach of children.

Expert advice for Inac 50 mg Tablet

You have been prescribed Inac 50 Tablet to relieve pain and inflammation. Take it with food or milk to prevent upset stomach. Take it as per the dose and duration prescribed by your doctor. Long term use may lead to serious complications such as stomach bleeding and kidney problems. It may cause dizziness, drowsiness or visual disturbances. Use caution while driving or doing anything that requires concentration. Avoid consuming alcohol while taking Inac 50 Tablet as it can cause excessive drowsiness and increase your risk of stomach problems. Inform your doctor if you have a history of heart disease or stroke. Your doctor may regularly monitor your kidney function, liver function and levels of blood components, if you are taking this medicine for long-term treatment.

Manufacturer and class

Manufacturer:
ZYDUS HEALTHCARE PHARMA
Therapeutic class:
PAIN ANALGESICS
Drug class:
Non-steroidal anti-inflammatory drug
Chemical class:
Dichlorobenzenes

Substitutes for Inac 50 mg Tablet

Medicines with the same active ingredient (Diclofenac (50mg)). Ask your doctor or pharmacist before switching brands.

MedicinePackPricevs Inac 50 mg Tablet
Nac-50 TabletSYSTOPIC LABtablet · 10`S₹1814% cheaper
Reactin 050 mg Tablet1X10₹195% cheaper
Diclovag 50 mg Tablet1X10₹203% cheaper
Clearflam 50 Tablet1X10₹2310% more
Nac SR 150 mg TabletSYSTOPIC LABtablet · 10`S₹57178% more
Densaid Qa SachetDELVINsachet · 10x1GM₹190826% more
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Inac 50 mg Tablet FAQs

What is Inac 50 mg Tablet used for?
Inac 50 mg Tablet is commonly used for Pain relief. 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 Inac 50 mg Tablet?
Inac 50 mg Tablet contains Diclofenac (50mg). 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 Inac 50 mg 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 Inac 50 mg Tablet work?
Inac 50 Tablet is a non-steroidal anti-inflammatory drug (NSAID).
Is Inac 50 mg Tablet a prescription medicine?
No. Inac 50 mg Tablet is available over the counter (OTC), no prescription is required. However, it is always safer to consult a doctor or pharmacist before use.
What are the common side effects of Inac 50 mg Tablet?
The side effects reported most often with Inac 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 Inac 50 mg Tablet be taken during pregnancy?
Pregnancy UNSAFE Always tell your doctor if you are pregnant, planning a pregnancy or breastfeeding before starting Inac.
Can I drink alcohol while taking Inac 50 mg Tablet?
Alcohol CONSULT YOUR DOCTOR
What if I miss a dose of Inac 50 mg Tablet?
If you miss a dose of Inac 50 Tablet, take it as soon as possible.
Is Inac 50 mg Tablet habit forming?
No. Inac 50 mg Tablet is not known to be habit forming when taken as prescribed.
Is there a cheaper substitute for Inac 50 mg Tablet?
Nac-50 Tablet has the same active ingredient and strength and is listed from ₹18 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 Inac 50 mg Tablet cost on PingMeDoc Pharmacy?
Inac 50 mg Tablet starts at ₹21 (MRP ₹22) on PingMeDoc Pharmacy. Available in tablet 50 mg 10`S. Final price is confirmed at checkout and may vary by variant and location.
Who manufactures Inac 50 mg Tablet?
Inac 50 mg Tablet is manufactured by ZYDUS HEALTHCARE PHARMA. PingMeDoc Pharmacy sources medicines only from licensed manufacturers and distributors.
How is Inac 50 mg Tablet delivered?
Inac 50 mg 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.

Inac 50 mg Tablet, Quick facts

Salt
Diclofenac (50mg)
Form
tablet
Best price
₹21 (₹2.05 per tablet)
MRP
₹22
Prescription
Not required (OTC)
Schedule
Schedule H
Brand
ZYDUS HEALTHCARE PHARMA
Manufacturer
ZYDUS HEALTHCARE PHARMA
Therapeutic class
PAIN ANALGESICS
Drug class
Non-steroidal anti-inflammatory drug
Chemical class
Dichlorobenzenes
Action class
NSAID's- Non-Selective COX 1&2 Inhibitors (acetic acid)
Habit forming
No
Variants
tablet 50 mg 10`S
Delivery
Standard across India

References

The information on Inac 50 mg 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.

  1. PingMeDoc clinical monograph library — compiled from Indian package inserts, the Indian Pharmacopoeia
  2. CDSCO schedules and standard pharmacology references. Reviewed for patient readability. This is general information, not a substitute for your doctor's advice.
  3. Central Drugs Standard Control Organisation (CDSCO), Ministry of Health & Family Welfare, Government of India, approved drug and schedule listings.
  4. National List of Essential Medicines (NLEM) 2022, Government of India.
  5. Manufacturer's package insert / prescribing information for Inac 50 mg Tablet.
  6. 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.