Take this medication by mouth with or without food as directed by your doctor, usually once or twice daily.

The dosage is based on your medical condition, response to treatment, and other medications you may be taking. Be sure to tell your doctor and pharmacist about all the products you use (including prescription drugs, nonprescription drugs, and herbal products).

Use this medication regularly to get the most benefit from it. To help you remember, take it at the same time(s) each day. Keep taking this medication even if you feel well. Most people with high blood pressure do not feel sick.

It may take up to 4 weeks for this medication to fully affect your blood pressure.

Tell your doctor if your condition does not get better or if it gets worse (for example, your blood pressure readings remain high or increase).