If overdose is suspected, contact a poison control center or emergency room immediately. US residents can call the US National Poison Hotline at 1-800-222-1222. Canada residents can call a provincial poison control center. Symptoms of overdose may include confusion, slow reflexes, clumsiness, deep sleep, and loss of consciousness.
If you miss a dose and are taking more than 1 dose daily, do not take it if it is almost time for the next dose. Instead, skip the missed dose and resume your usual dosing schedule. Do not double the dose to catch up. If you take it once daily at bedtime and miss a dose, do not take it the following morning. Call your doctor to find out what to do.
Lifestyle changes such as starting a stress reduction program may increase the effectiveness of this medication. Talk to your doctor or pharmacist about lifestyle changes that might benefit you.
Do not share this medication with others. It is against the law.
Laboratory and/or medical tests (such as blood counts, liver function tests) should be performed periodically to monitor your progress or check for side effects. Consult your doctor for more details.