What should I watch for?
It may take a few weeks to notice the full benefit from this medicine.
You may need to limit your intake tea, coffee, caffeinated sodas, and alcohol. These drinks may make your symptoms worse.
You may get drowsy or dizzy. Do not drive, use machinery, or do anything that needs mental alertness until you know how this drug 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 will help.
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.
Avoid extreme heat. This medicine can cause you to sweat less than normal. Your body temperature could increase to dangerous levels, which may lead to heat stroke.
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:
Difficulty having a bowel movement
bloating or swelling of the face, arms, hands, lower legs, or feet
bloody or cloudy urine
body aches or pain
burning feeling while urinating
decrease in frequency of urination
decrease in urine volume
difficult or painful urination
difficulty in breathing
difficulty in passing urine (dribbling)
frequent urge to urinate
loss of voice
lower back or side pain
rapid weight gain
tingling of the hands or feet
unusual tiredness or weakness
unusual weight gain or loss
Incidence not known
fast, irregular, pounding, or racing heartbeat or 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:
stomach discomfort, upset, or pain
upper abdominal pain
Incidence not known
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.