Cetizin

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Cetirizine is an antihistamine that reduces the natural chemical histamine in the body. Histamine can produce symptoms of sneezing, itching, watery eyes, and runny nose. It is used to treat cold or allergy symptoms such as sneezing, itching, watery eyes, or runny nose.

cetizin

Important information
Cetirizine can cause side effects that may impair your thinking or reactions. Be careful if you drive or do anything that requires you to be awake and alert. Avoid drinking alcohol. It can increase some of the side effects of cetirizine. Tell your doctor if you regularly use other medicines that make you sleepy (such as other cold or allergy medicine, narcotic pain medicine, sleeping pills, muscle relaxers, and medicine for seizures, depression, or anxiety). They can add to sleepiness caused by cetirizine. Call your doctor if your symptoms do not improve, if they get worse, or if you also have a fever.

Before taking this medicine
You should not use this medication if you are allergic to cetirizine.
Before taking cetirizine, tell your doctor about all of your medical conditions.

Cetirizine side effects
Get emergency medical help if you have any of these signs of an allergic reaction: hives; difficulty breathing; swelling of your face, lips, tongue, or throat. Stop using cetirizine and call your doctor at once if you have any of these serious side effects:
fast, pounding, or uneven heartbeat;
weakness, tremors (uncontrolled shaking), or sleep problems (insomnia);
severe restless feeling, hyperactivity;
confusion;
problems with vision; or
urinating less than usual or not at all.
Less serious side effects may include:

dizziness, drowsiness;
tired feeling;
dry mouth;
sore throat, cough;
nausea, constipation; or
headache.

This is not a complete list of side effects and others may occur. Tell your doctor about any unusual or bothersome side effect.