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 of 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 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 eyecare professional 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:
blistering, crusting, irritation, itching, or reddening of the skin
bloody or cloudy urine
burning, skin rash, swelling, or soreness at the application site
cracked, dry, or scaly skin
difficult, burning, or painful urination
frequent urge to urinate
lower back or side pain
unusually warm skin
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:
Body aches or pain
difficulty with breathing
loss of voice
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.