Ponstan (mefenamic acid)
Mefenamic acid is a non-steroidal
anti-inflammatory drug used to treat pain,
including menstrual pain
There is also evidence that supports the
use of mefenamic acid for perimenstrual migraine
headache prophylaxis, with
treatment starting 2 days prior to the
onset of flow or 1 day prior to the expected onset of the headache and
continuing for the duration of menstruation.
Known
mild side effects of mefenamic acid include headaches,
nervousness and vomiting.
Serious
side effects may include diarrhea, hematemesis (vomiting
blood), haematuria (blood
in urine), blurred vision, skin rash, itching and swelling, sore throat and fever.
How to take?
Mefenamic
acid is recommended to be taken with food
What is it used for?
- Painful periods (dysmenorrhoea).
- Abnormally heavy periods (menorrhagia).
- Rheumatoid arthritis.
- Juvenile arthritis (Still's disease).
- Osteoarthritis.
- Muscular pain.
- Pain and inflammation due to accidents, such as sprains, strains, fractures.
- Toothache.
- Headache.
- Pain following childbirth.
- Pain following surgery.
Use with caution in
- Elderly people.
- History of disorders affecting the stomach or intestines.
- Decreased liver function.
- Decreased kidney function.
- Dehydration.
- Heart failure.
- High blood pressure (hypertension).
- Heart disease caused by inadequate blood flow to the heart (ischaemic heart disease), eg angina or history of heart attack.
- Disease of the blood vessels in and around the brain (cerebrovascular disease), eg history of stroke or mini-stroke (TIA).
- Poor circulation in the arteries of the legs or feet (peripheral arterial disease).
- Raised levels of fats such as cholesterol in the blood (hyperlipidaemia).
- Diabetes.
- Smokers.
- Epilepsy.
- History of allergies.
- History of asthma.
- People with blood clotting disorders or taking anticoagulant medicines.
- Diseases affecting connective tissue, eg systemic lupus erythematosus.
- Hereditary blood disorders called porphyrias.
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