Take this medication by mouth with or without food, usually once daily or as directed by your doctor. It is best to avoid taking this medication within 4 hours of your bedtime to avoid having to get up to urinate. Consult your doctor or pharmacist if you have questions about your dosing schedule.
Drink plenty of fluids to prevent losing too much body water (dehydration). If you are on restricted fluid intake, consult your doctor for further instructions.
This product contains magnesium which may interfere with the absorption of some medications. See the Drug Interactions section and consult your pharmacist for more information.
If you also take certain drugs to lower your cholesterol (bile acid-binding resins such as cholestyramine or colestipol), take this product at least 4 hours before or at least 4 to 6 hours after these medications.
The dosage is based on your medical condition and response to therapy.
Use this medication regularly in order to get the most benefit from it. To help you remember, take it at the same time each day. Do not skip doses or stop taking this medication unless directed by your doctor. It is important to continue taking this medication even if you feel well. Most people with high blood pressure do not feel sick. It may take up to several weeks before the full benefit of this drug takes effect.
Inform your doctor if your condition worsens (e.g., your routine blood pressure readings increase).