Hifenac MR

Hifenac MR is a Non-steroidal anti-inflammatory drugs 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.

Hifenac MR – Composition

This medicine is manufactured by Intas Pharmaceuticals Ltd. Active ingredients in this medicine are:

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

Mechanism of action


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 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 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.

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

Hifenac MR Side effects

In addition to its intended effect, Hifenac MR can also produce some unwanted effects. In such cases, consult your doctor for immediate medical attention. 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
  • Insomnia

Hifenac MR Contraindications

While we use any medicine, care has to be taken to make sure that 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:

  • Allergy 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 kidneys or liver health

Hifenac MR Precautions & How to Use

Before consuming Hifenac MR Tablet, tell your doctor about the medicine that you may be using any 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

General warnings


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

Missing dosage

If you miss the first dose take as soon as possible, and if it is near to next dose, skip the missing dosage continue the next dosage. Do not take extra doses.


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


Hifenac MR is safe to use during breastfeeding. Before taking this medicine consult your doctor.

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. Tell your physician about all the medicines you take including prescription and non-prescription medicines, herbal supplements, alcohol or tobacco, food, and vitamins. Especially tell your physician if you take. Hifenac MR may interact with the following drugs and products:

Substitute tablets for Hifenac MR Tablet

Substitute medicine is any medicine with the 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 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.

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  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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