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Xyzal

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Xyzal

XYZAL
(levocetirizine dihydrochloride) Tablets and Oral Solution

Xyzal

DRUG DESCRIPTION

Levocetirizine dihydrochloride, the active component of XYZAL tablets and oral solution, is an orally active H1-receptor antagonist. The chemical name is (R)-[2-[4-[(4-chlorophenyl) phenylmethyl]-1-piperazinyl] ethoxy] acetic acid dihydrochloride. Levocetirizine dihydrochloride is the R enantiomer of cetirizine hydrochloride, a racemic compound with antihistaminic properties. The empirical formula of levocetirizine dihydrochloride is C21H25ClN2O3•2HCl. The molecular weight is 461.82 and the chemical structure is shown below:

XYZAL (levocetirizine dihydrochloride) Structural Formula Illustration

Levocetirizine dihydrochloride is a white, crystalline powder and is water soluble.

XYZAL 5 mg tablets are formulated as immediate release, white, film-coated, oval-shaped scored tablets for oral administration. The tablets are imprinted on both halves of the scored line with the letter Y in red (Opacode®Red). Inactive ingredients are: microcrystalline cellulose, lactose monohydrate, colloidal anhydrous silica, and magnesium stearate. The film coating contains hypromellose, titanium dioxide, and macrogol 400.

XYZAL 0.5 mg/mL oral solution is formulated as an immediate release, clear, colorless liquid. Inactive ingredients are: sodium acetate trihydrate, glacial acetic acid, maltitol solution, glycerin, methylparaben, propylparaben, saccharin, flavoring (consisting of triacetin, natural & artificial flavors, dl-alpha-tocopherol), purified water.

What are the possible side effects of levocetirizine (Xyzal)?

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 levocetirizine and call your doctor at once if you have a serious side effect such as:

  • feeling like you might pass out;
  • nosebleed (especially in a child);
  • pain or fullness in your ear, hearing problems;
  • depression, agitation, aggression, hallucinations;
  • numbness or tingling around your lips or mouth;
  • jaundice (yellowing of your skin or...

Read All Potential Side Effects and See Pictures of Xyzal »

What are the precautions when taking levocetirizine dihydrochloride (Xyzal)?

Before taking levocetirizine, tell your doctor or pharmacist if you are allergic to it; or to cetirizine; or to hydroxyzine; or if you have any other allergies. This product may contain inactive ingredients, which can cause allergic reactions or other problems. Talk to your pharmacist for more details.

Before using this medication, tell your doctor or pharmacist your medical history, especially of: difficulty urinating (such as due to an enlarged prostate), kidney disease.

This drug may make you drowsy. Do not drive, use machinery, or do any activity that requires alertness until you are sure you can perform such activities safely. Avoid alcoholic beverages.

Before having surgery, tell your doctor or dentist about all the products you use (including prescription...

Read All Potential Precautions of Xyzal »

Last reviewed on RxList: 11/22/2013
This monograph has been modified to include the generic and brand name in many instances.

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Xyzal - User Reviews

Xyzal User Reviews

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Here is a collection of user reviews for the medication Xyzal sorted by most helpful. Patient Discussions FAQs

Report Problems to the Food and Drug Administration

 

You are encouraged to report negative side effects of prescription drugs to the FDA. Visit the FDA MedWatch website or call 1-800-FDA-1088.


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