Hifenac MR

Hifenac MR – Composition, Uses, Side-Effects, Substitutes, Warnings

What is Hifenac MR?

Hifenac MR is a Non-steroidal anti-inflammatory drug used to relieve pain and inflammation in conditions like Rheumatoid Arthritis, Osteoarthritis, menstrual cramps.

Get to know how Hifenac MR works, its side effects, precautions, and contraindications where Hifenac MR is not suggested.

Read about Hifenac MR in Hindi

Hifenac MR – Composition

Active ingredients in this medicine are:

  • Aceclofenac – 100 mg
  • Paracetamol – 325 mg
  • Chlorzoxazone – 500 mg

Manufactured By – Intas Pharmaceuticals Ltd

Prescription – Not required as it is available as OTC

Form – Tablets

Expiry/Shelf Life – Make sure you check the manufactured and expiry date while purchasing the medicine

TypeofDrug – Non-steroidal anti-inflammatory drugs (NSAID Medicine)

Hifenac MR Uses

This medicine is recommended to treat conditions like:

  • Muscle pain
  • Headache
  • Joint pain
  • Lumbago
  • Toothache
  • Ankylosing spondylitis
  • Rheumatoid arthritis
  • Osteoarthritis
  • Ear pain
  • Menstrual cramps
  • Fever
  • Cold

How does Hifenac MR work?


Aceclofenac helps to reduce pain and ease inflammation, belongs to the class of drugs that are non-steroidal, but still reduce inflammation in the body, like Ibuprofen, Naproxen, or Aspirin. These drugs are classified as NSAIDs because they don’t belong to the steroid group of drugs but at the same time, they help reduce inflammation, hence called anti-inflammatory.


Paracetamol is an antipyretic (fever reducer) and analgesic, helps in relieving pains like a headache, menstrual pains, toothache, ear pains, etc.


Chlorzoxazone helps improve a patient’s condition by depressing the muscle reflexes, increasing the pain threshold and by increasing the blood flow to the skin and help the body to sweat and lose heat.

How to Use Hifenac MR

  • Hifenac MR is available in tablet form and is used through oral rout.
  • Never crush, break or chew the tablet, but use the whole tablet at once with some water or any liquids.
  • Follow regular dosage schedules as prescribed by the doctor and complete the full course of the dosage as directed by the doctor.
  • Read carefully the instruction mentioned on the medicine leaflet to understand the instructions.

Hifenac MR Side effects

In addition to its intended benefits, Hifenac MR can also produce some side effects. In such cases, consult your doctor for immediate medical attention. Below mentioned are some possible side effects. This is not a comprehensive list of side effects. Please inform your doctor if you suffer any adverse reactions while using this medicine:

  • Nausea
  • Vomiting
  • Diarrhea
  • Loss of appetite
  • Heartburn
  • Stomach pain
  • Unusual tiredness

Hifenac MR Contraindications

While we use any medicine, care has to be taken to make sure the medicine is compatible with your current health condition. Inform your doctor if you have any known issues of allergic reactions towards any other medication similar to it or any other NSAID medicine. Inform your doctor about your present health issues if facing any. Few examples are like:

  • Allergic to ingredients of this medicine or any other NSAID medicine
  • This medicine is also not recommended to use in patients suffering from any respiratory related problems like asthma
  • Not recommended to use if suffering any issues of bleeding disorders
  • Not recommended to use in patients with health problems related to kidney or liver disease

Hifenac MR Precautions

Before consuming Hifenac MR Tablet, tell your doctor about the medicine that you may be using or over the counter products like any vitamins, herbal supplements, etc., pre-existing diseases, allergies, and current health conditions such as pregnancy, liver diseases, kidney problems, upcoming surgery, etc. Some health conditions may make you more prone to the side-effects of the drug. Take as directed by your doctor or follow the direction printed on the product insert. Important counseling points are listed below.

  • Avoid driving and operate dangerous machinery
  • Gastro-intestinal disorders
  • Patients recovering from a surgery
  • Severe hepatic impairment
  • Severe cardiac impairment

Hifenac MR Drug Interactions

Using Hifenac MR with any of the following drugs is usually not recommended, but may be required in some cases. If both medicines are prescribed together, your physician may change the dose or how often you use one or both of the medicines.

  • Alcohol
  • Alprazolam
  • Atorvastatin
  • Captopril
  • Cetirizine
  • Codeine
  • Diazepam
  • Diphenhydramine
  • Esomeprazole
  • Ketoconazole
  • Losartan
  • Any other Muscle Relaxants at the same time
  • Prilocaine
  • Sedatives
  • Teriflunomide
  • Topiramate
  • Zolpidem

Other Interactions

If you use other over the counter products or other drugs at the same time, the effects of the Hifenac MR may change. Risk of side effects may be higher or the drug might not work as intended. Inform your doctor about all the medicines you are using including prescription and non-prescription medicines, herbal supplements, food, and vitamins. Hifenac MR may interact with the following drugs and products:

General warnings


Consuming more than prescribed Hifenac MR may cause harmful side effects. Consult your doctor or pharmacist if you suffer any side effects.

Missing dosage

If you miss a certain dosage take as soon as possible, and if it is nearing next dose schedule, skip the missing dosage and continue the next dosage. Do not take extra doses.


Hifenac MR is not recommended for use in pregnant women unless necessary and if the potential benefits outweigh the risks involved. It is recommended to use with proper guidance from your gynecologist.


Hifenac MR is safe to use during breastfeeding. Consult your doctor before using this medicine.

Substitute tablets for Hifenac MR Tablet

Substitute medicine is any medicine with a similar composition and intended to treat similar conditions. Your doctor may prescribe some other medicine that is similar to this one. Few examples of substitute medicine to Hifenac MR are:

  • Dolostat MR – Blue Cross Laboratories Ltd
  • Alock MR – Goddres Pharmaceuticals Pvt Ltd
  • Flextab – Psychotropics India Ltd

If for some reason an experienced doctor is not available around you, then you can contact us here.


    Hifenac MR - Composition, Uses, Side-Effects, Substitutes, Warnings
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    One thought on “Hifenac MR – Composition, Uses, Side-Effects, Substitutes, Warnings

    1. Hi, my mother in law is having stone. I want to suggest her to use citralka syrup. Can you pls advice dose intake. Her age is 41.

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