What should I watch for?
It may take 2 or 3 months 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.
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:
Abnormal vision, including difficulty with adjusting to distances
bloody or cloudy urine
difficult, burning, or painful urination
frequent urge to urinate
general feeling of discomfort or illness
loss of appetite
muscle aches and pains
pain or tenderness around the eyes and cheekbones
shortness of breath or troubled breathing
stuffy or runny nose
tightness of the chest or wheezing
trouble with sleeping
Incidence not known
bloating or swelling of the face, arms, hands, ankles, lower legs, or feet
confusion about identity, place, and time
difficulty with swallowing
fast, pounding, or irregular heartbeat or pulse
large, hive-like swelling on the face, eyelids, lips, tongue, throat, hands, legs, feet, or sex organs
mood or mental changes
puffiness or swelling of the eyelids or around the eyes, face, lips, or tongue
rapid weight gain
seeing, hearing, or feeling things that are not there
tingling of the hands or feet
unusual tiredness or weakness
unusual weight gain or loss
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:
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.