Read the side effects of Mefenamic Acid as described in the medical literature. In case of any doubt consult your doctor or pharmacist.
Gastrointestinal - Abdominal pain, constipation, diarrhea, indigestion, flatulence, gross bleeding/perforation, gastric/peptic ulcers, heartburn, nausea, mouth ulcer, GI ulcers, vomiting, anemia, elevated liver enzymes, and blood vomiting.
Body as a whole - Fever, infection and sepsis.
Heart - Heart failure, high blood pressure, fast heart rate and fainting.
Liver - Liver inflammation and jaundice.
Blood - Eosinophilia, decrease in white blood cells, bruising, blood in stool and rectal bleeding.
Metabolic - Weight changes.
Central Nervous system - Anxiety, weakness, confusion, depression, dream abnormalities, drowsiness, dizziness, sleeplessness, uneasiness, headache, nervousness, tingling and tremors.
Respiratory - Asthma and difficulty in breathing.
Skin - Hair loss, sensitivity to light, itching and increased sweating.
Eye and ENT - Blurred vision and ringing in the ear.
Genitourinary - Bladder inflammation, painful urination, blood in urine and kidney failure.
Other Precautions : * Avoid excess dosage.