Dec 28, 2025
Painex (mefenamic acid)
Drug Class:
NSAID (non-selective)
Indications:
pain
inflammation
fever
arthritis
renal colic
dysmenorrhea (prostaglandin receptor antagonist)
Doses:
500mg tabs
MAX DOSE 1000mg/day
AGES 14+ yrs
Side Effects:
Fluid retention (edema)
Acute kidney injury (AKI)
Stevens-Johnson syndrome
Manufacturer:
JOSWE
Drug Store:
Al Wafi
Contraindications:
Asthma
Cardiovascular disorders (hypertension)
Gastric acidity/ulcers
3rd trimester of pregnancy (early closure of ductus arteriosus)
Coronary artery bypass graft (CABG) surgery