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Clarinex

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Clarinex

CLARINEX®
(desloratadine) Tablets, Syrup, Reditabs® Tablets

Clarinex

DRUG DESCRIPTION

CLARINEX (desloratadine) Tablets are light blue, round, film coated tablets containing 5 mg desloratadine, an antihistamine, to be administered orally. It also contains the following excipients: dibasic calcium phosphate dihydrate USP, microcrystalline cellulose NF, corn starch N F, talc USP, carnauba wax N F, white wax NF, coating material consisting of lactose monohydrate, hypromellose, titanium dioxide, polyethylene glycol, and FD&C Blue #2 Aluminum Lake.

CLARINEX (desloratadine) Syrup is a clear orange colored liquid containing 0.5 mg/1 mL desloratadine. The syrup contains the following inactive ingredients: propylene glycol USP, sorbitol solution USP, citric acid (anhydrous) USP, sodium citrate dihydrate USP, sodium benzoate N F, disodium edetate USP, purified water USP. It also contains granulated sugar, natural and artificial flavor for bubble gum and FDC Yellow #6 dye.

The CLARINEX RediTabs® brand of desloratadine orally-disintegrating tablets are light red, flat-faced, round, speckled tablets with an “A” debossed on one side for the 5 mg tablets and a “K” debossed on one side for the 2.5 mg tablets. Each RediTabs Tablet contains either 5 mg or 2.5 mg of desloratadine. It also contains the following inactive ingredients: mannitol USP, microcrystalline cellulose N F, pregelatinized starch, N F, sodium starch glycolate, N F, magnesium stearate N F, butylated methacrylate copolymer, crospovidone, NF, aspartame N F, citric acid USP, sodium bicarbonate USP, colloidal silicon dioxide, N F, ferric oxide red NF and tutti frutti flavoring.

Desloratadine is a white to off-white powder that is slightly soluble in water, but very soluble in ethanol and propylene glycol. It has an empirical formula: C19H19ClN2 and a molecular weight of 310.8. The chemical name is 8-chloro-6,11-dihydro-11-(4-piperdinylidene)-5H-benzo[5,6]cyclohepta[1,2-b]pyridine and has the following structure:

CLARINEX®
  (desloratadine) Structural Formula Illustration

What are the possible side effects of desloratadine (Clarinex, Clarinex Reditabs)?

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.

Call your doctor at once if you have any of these serious side effects:

  • fast, pounding, or uneven heartbeat;
  • fever, flu symptoms;
  • seizure (convulsions); or
  • jaundice (yellowing of the skin or eyes).

Less serious side effects may include:

  • dry mouth, sore throat, cough;
  • muscle pain;
  • drowsiness, tired feeling;
  • nausea,...

Read All Potential Side Effects and See Pictures of Clarinex »

What are the precautions when taking desloratadine (Clarinex)?

Before taking desloratadine, tell your doctor or pharmacist if you are allergic to it; or to loratadine; 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: kidney disease, liver disease.

Desloratadine does not usually cause drowsiness when used at recommended doses. However, do not drive, use machinery, or do any activity that requires alertness until you are sure you can perform such activities safely.

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

Read All Potential Precautions of Clarinex »

Last reviewed on RxList: 7/10/2009
This monograph has been modified to include the generic and brand name in many instances.

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Clarinex - User Reviews

Clarinex User Reviews

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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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