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More information: STITCH, PubChem and possibly Wikipedia

ATC Code: N02CC05

Side effects

Options: Hide MedDRA Preferred Terms

MedDRA Preferred Term Side effect Data for drug Placebo Labels
1 2
Somnolence Somnolence frequent, 1% - 5% 2% x x
Dizziness Dizziness frequent, 3% - 4% 2% x x
Syncope rare x x
Headache Headache frequent, 1% - 2% 1% x x
Nausea Nausea 1% - 3% 0% - 1% x x
Paraesthesia Paraesthesia 1% 0.5% - 1% x x
Dry mouth Dry mouth 1% 0.5% x x
Abdominal pain Abdominal cramps infrequent x x
Abdominal pain postmarketing x x
Anxiety Anxiety infrequent x x
Asthenia Asthenia infrequent x x
Fatigue infrequent x x
Back pain Back pain infrequent x x
Bronchitis Bronchitis infrequent x x
Neck pain Neck pain infrequent x x
Chest pain Chest pain infrequent x x
Diarrhoea Diarrhoea infrequent x x
Dysmenorrhoea Dysmenorrhoea infrequent x x
Dyspepsia Dyspepsia infrequent x x
Dyspnoea Dyspnoea infrequent x x
Ear pain Ear pain infrequent x x
Dermatitis Rash infrequent x x
Dermatitis rare x x
Rash Rash infrequent x x
Fatigue Fatigue infrequent x x
Gastroenteritis Gastroenteritis infrequent x x
Hyperglycaemia Hyperglycaemia infrequent x x
Laryngospasm Laryngospasm infrequent x x
Pain Pain infrequent x x
Palpitations Palpitations infrequent x x
Pharyngitis Pharyngitis infrequent x x
Pruritus Pruritus infrequent x x
Rhinitis Rhinitis infrequent x x
Sinusitis Sinusitis infrequent x x
Tinnitus Tinnitus infrequent x x
Tremor Tremor infrequent x x
Shakiness infrequent x x
Vasodilation procedure Vasodilation infrequent x x
Vomiting Vomiting infrequent, 0% - 2% 1% x x
Chills Chills infrequent x x
Thirst Increased thirst infrequent x x
Hyperhidrosis Sweating increased infrequent x x
Hyperhidrosis postmarketing x x
Hypoaesthesia Hypoaesthesia postmarketing, infrequent x x
Tachycardia Tachycardia postmarketing, infrequent x x
Vertigo Vertigo postmarketing, infrequent x x
Agitation Agitation postmarketing, infrequent x x
Myalgia Myalgia postmarketing, infrequent x x
Musculoskeletal discomfort Myalgia postmarketing, infrequent x x
Arthralgia postmarketing, rare x x
Gastrointestinal pain Abdominal pain postmarketing x x
Anaphylactic shock Anaphylactic shock postmarketing x x
Angina pectoris Angina pectoris postmarketing x x
Angioedema Angioedema postmarketing x x
Arthralgia Arthralgia postmarketing, rare x x
Arthritis Arthritis rare x x
Mental disorder Mental disorder postmarketing x x
Blepharospasm Blepharospasm postmarketing x x
Bone disorder Bone disorder postmarketing x x
Breast disorder Breast disorder postmarketing x x
Colitis Colitis postmarketing, rare x x
Confusional state Confusional state postmarketing x x
Feeling abnormal Confusional state postmarketing x x
Malaise postmarketing x x
Conjunctivitis Conjunctivitis rare x x
Arteriospasm coronary Arteriospasm coronary postmarketing x x
Diplopia Diplopia rare x x
Dysgeusia Dysgeusia rare x x
Epistaxis Epistaxis rare x x
Eye disorder Eye disorder postmarketing x x
Body temperature increased Body temperature increased rare x x
Gastritis Gastritis rare x x
Gastrooesophageal reflux disease Gastrooesophageal reflux disease rare x x
Gastrointestinal disorder Gastrointestinal disorder postmarketing x x
Cardiac disorder Cardiac disorder postmarketing x x
Hemiplegia Hemiplegia postmarketing x x
Hypercholesterolaemia Hypercholesterolaemia rare x x
Hypersensitivity Hypersensitivity postmarketing x
Hypertension Hypertension rare x x
Hyperventilation Hyperventilation rare x x
Immune system disorder Immune system disorder postmarketing x x
Laryngitis Laryngitis rare x x
Breast pain Breast pain postmarketing x x
Hypertonia Hypertonia rare x x
Myopathy Myopathy rare x x
Nervous system disorder Nervous system disorder postmarketing x x
Nervousness Nervousness rare x x
Tension Nervousness rare x x
Nightmare Nightmare rare x x
Nystagmus Nystagmus rare x x
Otitis media Otitis media rare x x
Pain in extremity Pain in extremity postmarketing x x
Hyperacusis Hyperacusis rare x x
Scotoma Scotoma rare x x
Convulsion Convulsion postmarketing x x
Salivary hypersecretion Salivary hypersecretion rare x x
Sneezing Sneezing rare x x
Shock Syncope rare x x
Syncope Syncope rare x x
Loss of consciousness Syncope rare x x
Erythema Erythema postmarketing, rare x x
Depressive symptom Depressive symptom rare x x
Muscular weakness Muscular weakness rare x x
Eye pain Eye pain rare x x
Hyperreflexia Hyperreflexia rare x x
Acute myocardial infarction Acute myocardial infarction postmarketing x x
Photosensitivity reaction Photosensitivity reaction rare x x
Skin disorder Unspecified disorder of skin and subcutaneous tissue postmarketing x x
Malaise Malaise postmarketing x x
Discomfort Malaise postmarketing x x
Ill-defined disorder Malaise postmarketing x x
Cold sweat Cold sweat postmarketing x x
Abdominal discomfort Abdominal discomfort postmarketing x x
Abdominal pain upper Abdominal pain upper postmarketing x x
Euphoric mood Euphoric mood rare x x
Disturbance in attention Cerebration impaired rare x x
Mental disability Cerebration impaired rare x x
Eye irritation Eye irritation rare x x
Swollen tongue Swollen tongue postmarketing x x
Peripheral coldness Peripheral coldness postmarketing x x
Dry eye Dry eye rare x x
Vision blurred Vision blurred postmarketing x
Neuropathy peripheral Neuropathy rare x x
Coordination abnormal Coordination abnormal rare x x
Hypoaesthesia oral Hypoaesthesia oral postmarketing x x
Insomnia Insomnia rare x x
Parosmia Parosmia rare x x
Visual impairment Visual impairment postmarketing x
Ischaemia Ischaemia x x
Myocardial infarction Myocardial infarction x x
Acute coronary syndrome Myocardial infarction x x
Ventricular fibrillation Ventricular fibrillation x x
Ventricular tachycardia Ventricular tachycardia x x
Vasospasm Vasospasm x x
Myocardial ischaemia Myocardial ischaemia x x
Colitis ischaemic Colitis ischaemic x x
Serotonin syndrome Serotonin syndrome x x


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


Side effects:120
Source:FDA Structured Product Label


Side effects:123
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