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More information: STITCH, PubChem (stereo-specific compound: 1) and possibly Wikipedia

ATC Code: N02AF01

Side effects

Options: Show MedDRA Preferred Terms

Side effect Data for drug Placebo Labels
1 2 3 4
Somnolence 7.7% - 43% x x x x
Drowsiness 35% x
Dizziness 4.4% - 25% x x x x
Nasal congestion infrequent, 13% x x x x
Vomiting 3.4% - 13% x x x x
Insomnia infrequent, 11% x x x x
Hypotension frequent x x x x
Confusional state 1% x x x x
Abdominal pain infrequent x
Arrhythmia infrequent x
Ataxia infrequent x
Back pain infrequent x
Cough infrequent x x x x
Dysphagia infrequent x
Dysarthria infrequent x
Dyspnoea infrequent x x x x
Ear pain infrequent x x x x
Oedema infrequent x x x x
Rash infrequent x x x x
Eye disorder infrequent x
Body temperature increased infrequent x
Flatulence infrequent x
Hallucination infrequent x x x x
Hyperaesthesia infrequent x
Hypertension infrequent x x x x
Libido increased infrequent x
Leg pain infrequent x
Muscle relaxation infrequent x
Pallor infrequent x
Petechiae infrequent x
Pharyngitis infrequent x x x x
Hyperacusis infrequent x
Muscle spasms infrequent x
Tachycardia infrequent x x x x
Tinnitus infrequent x x x x
Tremor infrequent x x x x
Erythema infrequent x
Stupor infrequent x
Agitation infrequent x x x x
Photophobia infrequent x
Accidental injury infrequent x
Eye pain infrequent x
Sinus congestion infrequent x x x x
Stomach ache infrequent x x x x
Derealisation infrequent x
Feeling cold infrequent x
Abnormal dreams infrequent x x x x
Nasal pain infrequent x
Abnormal involuntary movements infrequent x
Psychomotor retardation infrequent x
Blood pressure increased infrequent x
Visual disturbance infrequent x
Gait disturbance infrequent x
Intoxication infrequent x
Ageusia infrequent x
Hypoventilation infrequent x
Apnoea postmarketing x x x
Delusion postmarketing x x x
Convulsion postmarketing x x x x
Vertigo postmarketing x x x x
Drug effect increased postmarketing x x x x
Fatal outcomes postmarketing x x x
Drug effect prolonged postmarketing x x x x
Anorexia x x x
Anxiety x x x x
Asthenia x x x x
Bronchitis x x x
Chest pain x x x x
Constipation x x x
Depression x
Diplopia x
Ear disorder x
Epistaxis x x x x
Headache x x x x
Hostility x x x
Lethargy x x x
Nausea x x x x
Nervousness x x x x
Palpitations x x x x
Paresis x
Paraesthesia x x x x
Pruritus x x x x
Rhinitis x x x
Sinusitis x x x
Sweating x x x x
Syncope x x x x
Thirst x
Upper respiratory tract infection x x x
Urticaria x x x
Vasodilation x x x x
Dry mouth x x x x
Chills x
Withdrawal symptom x x x
Shallow breathing x x x
Increased appetite x
Dysphoria x x x
Thinking abnormal x
Sensation of heat x x x x
Floating feeling x x x
Euphoric mood x x x x
Nasal irritation x x x x
Vision blurred x x x x
Sticky skin x
Coordination abnormal x
Hearing impaired x


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


Side effects:60
Source:FDA Structured Product Label

butorphanol tartrate / Stadol NS

Side effects:60


Side effects:62
Source:FDA Structured Product Label


Side effects:87
Source:Health Canada

Color scheme:


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