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Mefenamic acid

More information: STITCH, PubChem and possibly Wikipedia

ATC Code: M01AG01

Side effects

Options: Hide MedDRA Preferred Terms

MedDRA Preferred Term Side effect Data for drug Placebo Labels
1 2 3
Abdominal pain Abdominal pain x x x
Gastrointestinal pain Abdominal pain x x x
Agranulocytosis Agranulocytosis x x x
Alopecia Alopecia x
Anaphylactic shock Anaphylactic shock x x
Anaphylactoid reaction x
Anaemia Anaemia x
Aplastic anaemia Aplastic anaemia x x x
Haemolytic anaemia Haemolytic anaemia x
Autoimmune haemolytic anaemia Autoimmune haemolytic anaemia x x
Angioedema Angioedema x x x
Decreased appetite Anorexia x x
Anxiety Anxiety x
Arrhythmia Arrhythmia x
Asthenia Asthenia x
Asthma Asthma x x x
Mental disorder Mental disorder x x
Colitis Colitis x x
Coma Coma x
Infection Infection x
Confusional state Confusional state x
Feeling abnormal Confusional state x
Malaise x
Conjunctivitis Conjunctivitis x
Constipation Constipation x x x
Cystitis Cystitis x
Bladder pain Cystitis x
Cystitis noninfective Cystitis x
Dermatitis exfoliative Dermatitis exfoliative x x x
Diarrhoea Diarrhoea x x x
Dizziness Dizziness x x x
Syncope x
Somnolence Drowsiness x x x
Somnolence x
Dyspepsia Dyspepsia x
Heartburn x x x
Dyspnoea Dyspnoea x x x
Dysuria Dysuria x x x
Ear disorder Ear disorder x x
Ear pain Ear pain x x
Ecchymosis Ecchymosis x
Oedema Oedema x x x
Enterocolitis Enterocolitis x x
Eosinophilia Eosinophilia x x x
Toxic epidermal necrolysis Toxic epidermal necrolysis x x
Eructation Eructation x
Erythema multiforme Erythema multiforme x x x
Stevens-Johnson syndrome x x x
Oesophagitis Oesophagitis x
Dermatitis Rash x x x
Rash Rash x x x
Body temperature increased Body temperature increased x
Flatulence Flatulence x x x
Gastritis Gastritis x
Gastrointestinal disorder Gastrointestinal disorder x x
Gastrointestinal symptom NOS x x
Gastrointestinal haemorrhage Gastrointestinal haemorrhage x
Glomerulonephritis Glomerulonephritis x x
Glossitis Glossitis x
Hallucination Hallucination x
Headache Headache x x x
Cardiac failure congestive Cardiac failure congestive x
Haematemesis Haematemesis x
Haematuria Haematuria x x x
Haemorrhage Haemorrhage x x x
Haemoglobin Haemorrhage x x x
Hepatitis Hepatitis x x x
Hepatorenal syndrome Hepatorenal syndrome x x
Hyperglycaemia Hyperglycaemia x
Hypertension Hypertension x x x
Hyponatraemia Hyponatraemia x x
Hypotension Hypotension x x x
Jaundice Jaundice x
Jaundice cholestatic Jaundice cholestatic x x
Renal papillary necrosis Renal papillary necrosis x x
Leukopenia Leukopenia x
Melaena Melaena x
Meningitis Meningitis x
Meningitis aseptic Meningitis aseptic x x
Myocardial infarction Myocardial infarction x
Acute coronary syndrome Myocardial infarction x
Nausea Nausea x x x
Tubulointerstitial nephritis Nephritis interstitial x
Tubulointerstitial nephritis x x
Nephrotic syndrome Nephrotic syndrome x x
Nervousness Nervousness x x x
Tension Nervousness x x x
Oliguria Oliguria x
Palpitations Palpitations x x x
Pancreatitis Pancreatitis x x x
Pancytopenia Pancytopenia x
Bone marrow depression x x
Paraesthesia Paraesthesia x
Peptic ulcer Peptic ulcer x
Pneumonia Pneumonia x
Polyuria Polyuria x
Urine output increased Polyuria x
Proteinuria Proteinuria x
Protein urine present Proteinuria x
Pruritus Pruritus x x x
Purpura Purpura x x x
Vascular purpura Purpura x x x
Renal failure Renal failure x x x
Convulsion Convulsion x x x
Steatorrhoea Steatorrhoea x x
Stevens-Johnson syndrome Stevens-Johnson syndrome x x x
Stomatitis Stomatitis x
Shock Syncope x
Syncope Syncope x
Loss of consciousness Syncope x
Tachycardia Tachycardia x
Thrombocytopenia Thrombocytopenia x
Tinnitus Tinnitus x
Tremor Tremor x
Ulcer Ulcer x x x
Urethral disorder Urinary tract disorder x x
Urinary tract disorder Urinary tract disorder x x
Urticaria Urticaria x x x
Vasculitis Vasculitis x
Vertigo Vertigo x
Vomiting Vomiting x x x
Dry mouth Dry mouth x
Hepatic failure Hepatic failure x
Bleeding time prolonged Bleeding time prolonged x
Gastrointestinal perforation Gastrointestinal perforation x x
Renal impairment Kidney function abnormal x
Liver function test abnormal Liver function test abnormal x x
Skin disorder Unspecified disorder of skin and subcutaneous tissue x x
Malaise Malaise x
Discomfort Malaise x
Ill-defined disorder Malaise x
Respiratory depression Respiratory depression x
Pulmonary function test decreased Respiratory depression x
Eye irritation Eye irritation x x
Hepatic enzyme increased Hepatic enzyme increased x
Sepsis Sepsis x
Rectal haemorrhage Rectal haemorrhage x
Fluid retention Fluid retention x x
Glucose tolerance impaired Glucose tolerance impaired x x
Anaphylactoid reaction Anaphylactoid reaction x
Vision blurred Vision blurred x x x
Photosensitivity reaction Photosensitivity x
Lymphadenopathy Lymphadenopathy x
Insomnia Insomnia x x x
Platelet aggregation inhibition Platelet aggregation inhibition x x
Epidermal necrosis Epidermal necrosis x
Deafness Hearing impaired x
Hearing impaired Hearing impaired x
Gastrointestinal inflammation Gastrointestinal inflammation x x


Information about indications was extracted from the indications and usage sections of the labels.

Mefenamic acid capsules / Ponstan, Capsule

Side effects:68


Side effects:97
Source:FDA Structured Product Label

Color scheme:


    frequent (1% to 100%)
    infrequent (0.1% to 1%)
    rare (<0.1%)
    no frequency information
    not found on label