Cetirizine hydrochloride is the generic name for a prescription and over-the-counter antihistamine medication.
Prior to taking cetirizine, it is a good idea to review the drug's safety information. For example, side effects such as fatigue, drowsiness, and dry mouth may occur. In addition, this medicine is not right for certain people, such as those with liver or kidney disease. (Click Cetirizine for more information on this drug, including how it works, whether you can buy the medication without a prescription, and what to do in cases of overdose.). Cetirizine Hydrochloride. Last reviewed on RxList 4/2/2015. Zyrtec (cetirizine hydrochloride) is an antihistamine that treats symptoms, such as itching, runny nose, watery eyes, and sneezing from hay fever (allergic rhinitis) and other allergies, such as allergies to molds and dust mites. It is available in generic form. Common side effects of Zyrtec include: drowsiness, fatigue, dizziness, dry mouth, sore throat, cough, nausea, constipation, or headache. In children, stomach pain and vomiting may occur. Zyrtec is available as regular tablets and chewable tablets (5 mg and 10 mg) and syrup (1 mg/mL) Uses. Cetirizine is an antihistamine used to relieve allergy symptoms such as watery eyes, runny nose, itching eyes /nose, sneezing, hives, and itching. It works by blocking a certain natural substance (histamine) that your body makes during an allergic reaction. Cetirizine does not prevent hives or prevent/treat a serious allergic reaction (such as anaphylaxis). Therefore, if your doctor has prescribed epinephrine to treat allergic reactions, always carry your epinephrine injector with you. Do not use cetirizine in place of your epinephrine. Function. Cetirizine hydrochloride works by blocking receptors in your body that are sensitive to histamine, a chemical released by your immune system in the presence of something that it mistakenly perceives as a threat known as an allergen. Cetirizine hydrochloride is available in its regular form and also in a combination therapy that includes pseudoephedrine, which is used to relieve nasal congestion in addition to allergy symptoms. Allergies [edit]. Cetirizine's primary indication is for hay fever and other allergies. Because the symptoms of itching and redness in these conditions are caused by histamine acting on the H1 receptor, blocking those receptors temporarily relieves those symptoms. Like many other antihistamine medications, cetirizine is commonly prescribed in combination with pseudoephedrine hydrochloride, a decongestant. These combinations are marketed using the same brand name as the cetirizine with a -D suffix (Zyrtec-D, Virlix-D, etc.). Zyrtec-D (cetirizine and pseudoephedrine) is a combination of an antihistamine and a decongestant used to treat cold or allergy symptoms such as nasal and sinus congestion, sneezing, itching, watery eyes, or runny nose.  Cetirizine /sɛˈtɪrɨziːn/ (trade names Zirtec, Zyrtec, Reactine) is a second-generation antihistamine used in the treatment of hay fever, allergies, angioedema, and urticaria. It is a major metabolite of hydroxyzine, and a racemic selective H1 receptor antagonist. Like many other antihistamine medications, cetirizine is commonly prescribed in combination with pseudoephedrine hydrochloride, a decongestant. These combinations are marketed using the same brand name as the cetirizine with a -D suffix (Zyrtec-D, Virlix-D, etc.). Cetirizine hydrochloride is the generic name for a prescription and over-the-counter antihistamine medication. Doctors recommend cetirizine hydrochloride for the relief of symptoms associated with allergies. Cetirizine hydrochloride is available in its regular form and also in a combination therapy that includes pseudoephedrine, which is used to relieve nasal congestion in addition to allergy symptoms.
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