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Zyrtec is a medicine that regulates levelof histamine in human body. Histamine causes sneezing, itching,watery eyes, and runny nose. As antihistamine, Zyrtec reduceshistamine and eliminatesor diminishesallergic reaction ( sneezing, itching, watery eyes, and runny nose).Zyrtec is capable to treat symptoms of hay fever and to treat coldor allergy symptoms.

Important information about Zyrtec

Zyrtec may initiate slowness ofthinking or slowing down all other reactions. Therefore caution is advisablewhen driving or doing anything that requests attention and awareness.Drinking alcohol escalates some of side effects of Zyrtec. If usingother medications that also reduce your concentration or usingmedications for sleeping or medication treatment for either theseizures or depression oranxiety caution is advisable.

Side Effects by Body System

Nervous system

Headache, exhaustion, weakness,sleepiness,which is associatedwithdosage, are primary side effects that involve nervous system, besidesthem there are dizziness, insomnia, nervousness.


Nausea or even vomiting, dry mouth, dispepsia, pharyngitis, and increased appetite are thegastrointestinal side effects.


In case of suspension of cetirizinethereis an opportunity formalfunctionof liver or chronicallyacute hepatitis.


Sporadic cases of heavy breathing, coughing, bronchitis, sinusitis, and asthma are side effects of therespiratory system.


Maculopapular and urticarial eruptionsinvolving cetirizine are dermatologicalside effects.


General side effects considersepistaxis and accidental injury.


Hypersensitivity side effects haveincluded a case report of an anaphylactic reaction.

Side Effects of Zyrtec

Side effects are usual with usage of anymedications, but when using Zyrtec and some of theseunexpectedresults happen see your physician right away.Lethargy,dry mouth, stomach pain, tiredness, insomnia, acute allergic reactionlike rash, hard breathing, swelling of the mouth or face or tongue,itching, dark urine, unusual bruising or bleeding, or if your eyes orskin becomes yellow these are the signs to seek for immediate medicalhelp.

Using Zyrtec

Following the prescription given by thedoctor or one on the label, and avoidingconsummation dosage larger then prescribed.

Zyrtecmay be taken with or without food.

Iftaking liquid medicine strict measuring is very important.

Donot use Zyrtec if it is not properly stored.

If one dose of medicine is skipped itis better to wait until next dose and skip that one. Do not take medicineto catchup missed dose.

In cases of possible overdosing seek for urgent medical help.

Important is to avoid using Zyrtecwith other medicament which can strengthen sleepiness caused byZyrtec.

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