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Composition for KLONAC


food interaction for KLONAC

alcohol interaction for KLONAC

pregnancy interaction for KLONAC

lactation interaction for KLONAC

It can be taken with or without food, but it is better to take Klonac sr tablet at a fixed time.
Taking aceclofenac with alcohol may increase risk of stomach bleeding.
Klonac sr tablet may be unsafe to use during pregnancy.
Either animal studies have shown adverse effect on fetus and there are no human studies or studies in human and animals are not available. It should be given only if potential benefits justifies risk to the fetus. Please consult your doctor.
Unknown. Human and animal studies are not available. Please consult your doctor.




It is used to relieve pain and swelling of joints (osteoarthritis), swelling  of the small joints of hands and feet (rheumatoid arthritis), arthritis that mainly affect the spine (ankylosing spondylitis).

How it works

Klonac sr tablet belongs to a group of medicines called non-steroidal anti-inflammatory drugs (NSAIDs). It acts by decreasing the chemical substance (prostaglandin) in the body, which causes pain, fever and inflammation.

Common side effects

Nausea, Peptic ulcer, Abdominal pain, Allergic skin rash, Constipation, Diarrhoea, Dizziness, Flatulence, Increased blood pressure, Indigestion, Vomiting


No substitutes found

Expert advice for KLONAC

Do not take aceclofenac tablets:
  • If you are allergic to aceclofenac or any of the other ingredients of aceclofenac tablet.
  • If you are pregnant or breastfeeding.
  • If you have  stomach ulcer or intestinal bleeding, severe kidney disease, heart attack, liver failure, bleeding or bleeding disorders.
  • Doctor’s advice should be considered before taking aceclofenac tablets in case of any following diseases:
  • Diseases of the stomach or intestines 
  • Disease that causes ulcers on the lining of the large gut (ulcerative colitis).
  • Crohn’s disease (serious inflammation of any part of the gastrointestinal tract).
  • Blood disorders, problems with the circulation of the blood to your brain.
  • Asthma or any other breathing problems.
  • Disturbance of metabolism that can be seen as disorders of the skin or other organs (porphyria).
  • Heart problems, stroke, high blood pressure (hypertension), diabetes, high cholesterol.

Frequently asked questions for KLONAC


Q. Is aceclofenac safe?
Aceclofenac (also available as Hifenac, Zerodol) is safe at the prescribed dose by the doctor. Patients should follow the advice of the doctor regarding its use.
Q. Is aceclofenac a painkiller/ antipyretic/ antibiotic?
Aceclofenac is a pain relieving medication and not an antibiotic. It may reduce fever; however consult your doctor regarding its use.
Q. Is aceclofenac better than diclofenac?
Aceclofenac and diclofenac are equally effective and safe in relieving pain. Patients should follow the advice of the doctor regarding its use.
Q. Is aceclofenac paracetamol/ aspirin?
No. Aceclofenac is not paracetamol or aspirin.


Content on this page was last updated on 10 November, 2015, by Dr. Varun Gupta (MD Pharmacology)