Indication
Hypertension, Angina pectoris, Cardiac arrhythmias, Migraine, Anxiety, Portal hypertension, Essential tremor, Phaeochromocytoma, Thyrotoxicosis.
Contra Indication
Acidosis, Asthma, Heart failure, Cardiogenic shock, Bronchospasm, Haemorrhage, Heart block, Pregnancy (2nd and 3rd trimesters), Lactation.
Caution
Impaired renal and hepatic function. Cardiac failure. Myocardial insufficiency. Elderly. May mask symptoms of hyperthyroidism and hypoglycaemia. May unmask myasthenia gravis.
Side Effect
Tiredness, lack of drive, GI upsets, nightmares, forgetfulness, rarely hallucinations, muscle fatigue. Cold extremities, insomnia, dizziness. Anorexia, impotence. Thrombocytopenic purpura, agranulocytosis, nonthrombocytopenic purpura, thrombocytopenia. Depression, confusion, cognitive dysfunction.