Rheumatoid arthritis
Mefenamic Acid is indicated for-
- Fever
- Toothache
- Headache
- Migraine
- Primary dysmenorrhoea
- Menorrhagia
- Mild to moderate pain in rheumatoid arthritis and osteoarthritis
- Traumatic pain
- Low-back pain
- Juvenile chronic arthritis in children etc.
Mefenamic acid contains Mefenamic Acid which is a nonsteroidal agent with demonstrated analgesic, anti-inflammatory and antipyretic activity due to its dual action on prostaglandins. It inhibits the enzymes of prostaglandin synthetase and also antagonizes the actions of prostaglandin at the receptor sites.
Aspirin: As other NSAIDs, concomitant administration of Mefenamic Acid and Aspirin is not generally recommended because of the potential of increased adverse effects.
Warfarin: Mefenamic Acid can inhibit platelet aggregation and may prolong the prothrombin time in patients on warfarin therapy
The most frequently reported adverse experiences occurring in approximately 1-10% of patients are gastrointestinal: abdominal pain, constipation, diarrhoea, dyspepsia, flatulence, nausea, Gl ulcers, vomiting, dizziness, abnormal renal function, pruritus, rashes.
The safety of Mefenamic acid on reproductive capacity and pregnancy has not been established. Thus, mefenamic acid should be used in women of childbearing potential and during pregnancy only when the potential benefits are expected to outweigh the potential risks. Trace amounts of Mefenamic acid may be present in breast milk and transmitted to the nursing infant. Thus Mefenamic acid should not be taken by the nursing mother because of the effects of this class of drugs on the infant’s cardiovascular system.
It should be administered with caution in allergic diseases especially in asthma. The treatment should be withdrawn in diarrhoea, rashes, cholestatic jaundice, thrombocytopenia, haemolytic anaemia.
Drugs for Osteoarthritis, Drugs used for Rheumatoid Arthritis, Non-steroidal Anti-inflammatory Drugs (NSAIDs)
Keep away from light, store in a cool and dry place. Keep out of reach of children.