This medicine helps to lower high blood pressure and relieve chest pain, including a rare form called Prinzmetal's angina.
Usually, adults start with 5 mg once a day. Your doctor might increase this to 10 mg. For children and adolescents (6-17 years), the usual starting dose is 2.5 mg once a day.
Take the tablet with a glass of water at the same time each day, with or without food. Do not drink grapefruit juice with this medicine.
For adults, the maximum dose is 10 mg per day. For children and adolescents, the maximum dose is 5 mg per day.
Suitable for older adults. Significant adverse effects include ankle oedema and orthostatic hypotension. Consider potential interactions. Avoid grapefruit. (updated 17.2.2025)