Take this medication by mouth as directed by your doctor. Dosage is based on your medical condition, age, and response to treatment. Your dose may be gradually increased until the drug starts working well. Follow your doctor’s instructions closely to reduce the risk of side effects.

Though it helps many people, this medication may sometimes cause addiction. This risk may be higher if you have a substance use disorder (such as overuse of or addiction to drugs/alcohol). Take this medication exactly as prescribed to lower the risk of addiction. Ask your doctor or pharmacist for more details.

Side Effects

Drowsiness, dizziness, increased saliva production, or change in sex drive/ability may occur. If any of these effects persist or worsen, tell your doctor or pharmacist promptly.

To minimize dizziness and lightheadedness, get up slowly when rising from a seated or lying position.

Remember that this medication has been prescribed because your doctor has judged that the benefit to you is greater than the risk of side effects. Many people using this medication do not have serious side effects.

Tell your doctor right away if any of these unlikely but serious side effects occur: mental/mood changes (such as hallucinations, thoughts of suicide), trouble speaking, loss of coordination, trouble walking, memory problems.