This medicine helps to relax and widen your blood vessels, which lowers high blood pressure and makes it easier for your heart to pump blood.
For high blood pressure, start with 8 mg once a day. Your doctor may increase this to 16 mg or up to 32 mg daily. For heart failure, start with 4 mg once a day, and your doctor may increase it every two weeks up to 32 mg daily. For children aged 6-18 with high blood pressure, the usual starting dose is 4 mg once daily.
Take your tablet whole with a glass of water. You can take it with or without food. Try to take it at the same time each day to help you remember.
The maximum daily dose is 32 mg.
Suitable for older adults, with specific precautions. Reduce the dose already in mild renal impairment. Monitor renal function and potassium concentrations during the pharmacotherapy. Avoid concurrent use of NSAIDs. (updated 14.4.2025)