What should I watch for?
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 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.
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:
bloody or cloudy urine
decrease in the frequency of urination
decrease in urine volume
difficult or burning urination
difficulty in passing urine (dribbling)
frequent urge to urinate
lower back or side pain
fast, pounding, or irregular heartbeat or pulse
general feeling of discomfort or illness
loss of appetite
muscle aches and pains
unusual tiredness or weakness
Incidence not known
Blistering, peeling, or loosening of the skin
changes in vision
confusion as to time, place, or person
difficulty with swallowing
fast or slow heartbeat
holding false beliefs that cannot be changed by fact
increased sensitivity of the eyes to light
muscle cramps or spasms
puffiness or swelling of the eyelids or around the eyes, face, lips, or tongue
red skin lesions, often with a purple center
red, irritated eyes
seeing, hearing, or feeling things that are not there
severe chest pain
shortness of breath
sores, ulcers, or white spots in the mouth or on the lips
stiff or sore neck
tightness in the chest
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:
difficulty having a bowel movement (stool)
sleepiness or unusual drowsiness
Acid or sour stomach
bloated or full feeling
excess air or gas in the stomach or intestines
stomach discomfort, upset, or pain
trouble with urinating
unable to have a bowel movement (stool)
upper stomach pain
Incidence not known
Burning feeling in the chest or stomach
change in taste
loss of taste
swelling of the abdomen or stomach area
tenderness in the stomach area
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.