This medication is a vasodilator, prescribed for angina pectoris (chest pain).
Contraindicated in patients with cardiogenic shock (poor blood circulation), heart failure, low blood pressure, breast-feeding and children.
Adult: Oral: Initial: 10 mg twice daily. Usual dose: 10-20 mg twice daily. Max: 30 mg twice daily.
It comes as a tablet, to take by mouth, with or without food.
Caution should be exercised in patients with history of low volume of blood (hypovolaemia), low blood pressure, heart attack or other heart disease, lung swelling, mouth ulcer, any allergy, elderly and during pregnancy.
It may cause dizziness or lightheadedness, do not drive a car or operate machinery while taking this medication.
Headache, dizziness, drowsiness, nausea, vomiting, flushing, weakness and rectal bleeding.
Heart: Fast heart rate and low blood pressure.
Miscellaneous: Rash, abnormal liver function, mouth ulcer and muscle pain.
Avoid excess dosage.
Store it at room temperature.
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