Take this medication by mouth as directed by your doctor. Follow your doctor's directions carefully. This medication should be taken with meals or a bedtime snack.

Swallow this medication with a full glass of water or other liquid (8 ounces or 240 milliliters) unless your doctor directs you otherwise. Swallow the tablets whole. Do not crush or chew the tablets. Doing so can release all of the drug at once, increasing the risk of side effects. Do not lie down for at least 10 minutes after taking this medication. Do not take this medication on an empty stomach.

Your doctor may direct you to eat a low-salt (low-sodium) diet and drink lots of fluids. Follow your doctor's directions closely. Do not use salt substitutes that contain potassium.

Dosage is based on your medical condition and response to treatment.

Take this medication exactly as prescribed. Do not increase your dose or take this more often without your doctor's approval. Use this medication regularly to get the most benefit from it. To help you remember, take it at the same times each day.

While taking this medication, you may need to test the pH (acidity) of your urine using special paper. The pH will help determine the proper dose. Consult your doctor or pharmacist for more information.