What should I watch for?
The use of this medicine requires careful supervision. Visit your doctor or health care professional for regular checks on your progress. Do not suddenly stop taking this medicine if you have been taking it for a long time. Withdrawal symptoms may occur. Your doctor or health care professional may need to slowly stop your doses.
This medicine may affect your concentration or function. Let your doctor or health care professional know if you have increased sleepiness or confusion during the day.
This medicine causes sleep very quickly. You should only take your first dose at bedtime, while in bed. The second dose should be taken 2.5 to 4 hours after your first dose. Do not drive a car, operate heavy machinery or perform any activities that require mental alertness for at least 6 hours after taking this drug. Use extreme care in any such daily activities until you know how this medicine affects you.
Because alcohol may interfere with this medicine and may cause serious side effects, you must avoid alcohol-containing beverages while on this medicine. Do not take this medicine along with sleep medicines or other drugs with strong sedative effects, serious side effects may occur.
This medicine can be dangerous in overdose. If you take more than prescribed or take it by accident, get emergency medical help right away.
Common and Rare Side Effects
Along with its needed effects, a medicine may cause some unwanted effects. Although not all of these side effects may occur, if they do occur they may need medical attention.
Check with your doctor immediately if any of the following side effects occur:
Bloating or swelling of the face, arms, hands, lower legs, or feet
rapid weight gain
tingling of the hands or feet
unusual weight gain or loss
Incidence not known
chest pain or discomfort
decrease in the amount of urine
fast or pounding heartbeat
joint pain, stiffness, or swelling
noisy, rattling breathing
pounding in the ears
redness of the skin
tightness in the chest
troubled breathing at rest
troubled breathing or swallowing
Get emergency help immediately if any of the following symptoms of overdose occur:
Symptoms of overdose
Alternating periods of shallow and deep breathing
bluish lips or skin, not breathing
confusional, agitated combative state
generalized slowing of mental and physical activity
inability to hold bowel movement or urine
lightheadedness, dizziness, or fainting
muscle aches or weakness
shakiness and unsteady walk
slow or irregular heartbeat
trembling or other problems with muscle control or coordination
unusual tiredness or weakness
weak or feeble pulse
Some side effects may occur that usually do not need medical attention. These side effects may go away during treatment as your body adjusts to the medicine. Also, your health care professional may be able to tell you about ways to prevent or reduce some of these side effects. Check with your health care professional if any of the following side effects continue or are bothersome or if you have any questions about them:
Burning, crawling, itching, numbness, prickling, "pins and needles", or tingling feelings
confusion about identity, place, and time
upper abdominal or stomach pain
Incidence not known
difficulty with moving
muscle pain or stiffness
Other side effects not listed may also occur in some patients. If you notice any other effects, check with your healthcare professional.
Call your doctor for medical advice about side effects. You may report side effects to the FDA at 1-800-FDA-1088.