Cardiovascular: Hypotension, hypertension, tachycardia, palpitation, myocardial infarction, arrhythmias, heart block, stroke, falls. A few instances of unexpected death have occurred in patients with cardiovascular disorders.
Psychiatric: Confusional states (especially in the elderly) with hallucinations, disorientation, delusions, anxiety, restlessness, agitation; insomnia and nightmares; hypomania; exacerbation of psychosis.
Neurological: Numbness, tingling, paresthesias of extremities, incoordination, ataxia, tremors; peripheral neuropathy; extrapyramidal symptoms, seizures, alterations in EEG patterns; tinnitus.
Anticholinergic: Dry mouth, and rarely, associated sublingual adenitis, blurred vision, disturbances of accommodation, mydriasis; constipation, paralytic ileus; urinary retention, delayed micturition, dilation of the urinary tract.
Allergic: skin rash, petechiae, urticaria, itching, photosensitization (avoid excessive exposure to sunlight); edema (general or of face and tongue), drug fever, cross-sensitivity with desipramine.
Hematologic: Bone marrow depression including agranulocytosis; eosinophilia, purpura, thrombocytopenia. Leukocyte and differential counts should be performed in any patient who develops fever and sore throat during therapy; the drug should be discontinued if there is evidence of pathological neutrophil depression.
Gastrointestinal: Nausea and vomiting, anorexia, epigastric distress, diarrhoea; peculiar taste, stomatitis, abdominal cramps, black tongue.
Endocrine: Gynecomastia in the male, breast enlargement and galactorrhea in the female, increased or decreased libido, impotence; testicular swelling; elevation or depression of blood sugar levels.
Other: Jaundice (simulating obstructive); urinary frequency, drowsiness, dizziness, weakness and fatigue, headache; parotid swelling, alopecia.
Withdrawal symptoms: Though not indicative of addiction, abrupt cessation of treatment after prolonged therapy may produce nausea, headache and malaise.
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