What should I watch for?
Visit your doctor or health care professional for regular checks on your progress.
You may get drowsy or dizzy. Do not drive, use machinery, or do anything that needs mental alertness until you know how this medicine affects you. Do not stand or sit up quickly, especially if you are an older patient. This reduces the risk of dizzy or fainting spells. Alcohol may interfere with the effect of this medicine. Avoid alcoholic drinks.
Your mouth may get dry. Chewing sugarless gum or sucking hard candy, and drinking plenty of water may help. Contact your doctor if the problem does not go away or is severe.
This medicine may cause dry eyes and blurred vision. If you wear contact lenses you may feel some discomfort. Lubricating drops may help. See your eye doctor if the problem does not go away or is severe.
You may sweat less than usual while you are taking this medicine. As a result your body temperature could rise to a dangerous level. Be careful not to get overheated during exercise or in hot weather. You could get heat stroke. Avoid taking hot baths and using hot tubs and saunas.
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:
Incidence not known
Abdominal or stomach cramps or pain
aggressive and violent behavior
burning while urinating
confusion about identity, place, and time
decrease in frequency of urination
decrease in urine volume
difficult or painful urination
difficulty in passing urine (dribbling)
difficulty with speaking
difficulty with swallowing
extremely high fever or body temperature
fast, pounding, or irregular heartbeat or pulse
fast, shallow breathing
fast, weak heartbeat
feeling sad or empty
hot, dry skin
lack of appetite
lack of sweating
loss of interest or pleasure
mood or mental changes
numbness of the fingers
pale, clammy skin
seeing things that are not there
trouble with sleeping
Get emergency help immediately if any of the following symptoms of overdose occur:
Symptoms of overdose
change in consciousness
cold clammy skin
holding false beliefs that cannot be changed by fact
loss of consciousness
nausea or vomiting
numbness or tingling in the face, arms, or legs
shakiness and unsteady walk
unsteadiness, trembling, or other problems with muscle control or coordination
unusual excitement, nervousness, or restlessness
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:
Incidence not known
loss of appetite
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.