Xyzal Side Effects
What should I watch for?
Visit your doctor or health care professional for regular checks on your health. Tell your doctor or healthcare professional if your symptoms do not start to get better or if they get 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.
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
attack, assault, or force
blurred or loss of vision
decrease in the frequency of urination
decrease in urine volume
difficult or labored breathing
difficulty in passing urine (dribbling)
difficulty with swallowing
disturbed color perception
fast, irregular, pounding, or racing heartbeat or pulse
general tiredness and weakness
halos around lights
hives or welts
joint or muscle pain
large, hive-like swelling on the face, eyelids, lips, tongue, throat, hands, legs, feet, or sex organs
overbright appearance of lights
puffiness or swelling of the eyelids or around the eyes, face, lips, or tongue
redness of the skin
tightness in the chest
trouble with sleeping
upper right abdominal or stomach pain
yellow eyes and 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:
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.