Take this medication by mouth with or without food as directed by your doctor, usually 1 to 3 times a day.

The dosage is based on your medical condition and response to treatment. Your doctor may direct you to take a low dose at first, gradually increasing the dose to lower the chance of side effects (such as muscle spasms). Follow your doctor's directions carefully.

Take this medication regularly to get the most benefit from it. To help you remember, take it at the same time(s) each day.

Although you may notice some medication effects soon after starting, it may take as much as 4 to 6 weeks of regular use to see the full benefit. Do not stop taking this medication without consulting your doctor. Your condition may become worse when the drug is suddenly stopped. Your dose may need to be gradually decreased.

Tell your doctor if your condition does not improve or if it worsens.