desloratadine


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desloratadine

 [des″lah-rat´ah-dēn]
a nonsedating antihistamine (H1 receptor antagonist) used for treatment of allergic rhinitis and chronic idiopathic urticaria; administered orally.

desloratadine

Aerius (CA), Clarinex, Clarinex Reditabs, Neoclarityn (UK)

Pharmacologic class: Peripherally selective piperidine, selective histamine1-receptor antagonist

Therapeutic class: Antihistamine (nonsedating, second generation)

Pregnancy risk category C

Action

Suppresses histamine release at peripheral histamine1-receptor sites

Availability

Syrup: 2.5 mg/5 ml

Tablets: 5 mg

Tablets (orally disintegrating): 2.5 mg, 5 mg

Indications and dosages

Seasonal and perennial allergic rhinitis; chronic idiopathic urticaria and allergies caused by indoor and outdoor allergens; pruritus; to reduce number and size of hives

Adults and children ages 12 and older: 5 mg/day P.O.

Children ages 6 to 11: 1 tsp (2.5 mg/5 ml syrup) P.O. once daily

Children ages 12 months to 5 years: ⁄2 tsp (1.25 mg in 2.5 ml syrup) P.O. once daily

Children ages 6 to 11 months: 2 ml (1 mg syrup) P.O. once daily

Dosage adjustment

• Hepatic or renal impairment

Contraindications

• Hypersensitivity to drug, its components, or loratadine

Precautions

Use cautiously in:
• renal or hepatic impairment
• elderly patients
• pregnant or breastfeeding patients
• children younger than age 12 (safety and efficacy not established, except syrup).

Administration

• Give with or without food.

Adverse reactions

CNS: dizziness, drowsiness, fatigue, headache

CV: tachycardia, palpitations

EENT: pharyngitis, dry throat

GI: nausea, dyspepsia, dry mouth

GU: dysmenorrhea

Musculoskeletal: myalgia

Other: flulike symptoms, hypersensitivity reaction

Interactions

Drug-diagnostic tests.Bilirubin, hepatic enzymes: increased values

Skin tests: interference with positive reaction to dermal reactivity indicators

Patient monitoring

• Monitor hepatic and renal function test results.

Patient teaching

• Tell patient he may take drug with or without food.
• Instruct patient to report rapid heartbeat, shortness of breath, rash, persistent flulike symptoms, or muscle ache.
• Caution patient to avoid driving and other hazardous activities until he knows how drug affects concentration and alertness.
• As appropriate, review all other significant adverse reactions and interactions, especially those related to the tests mentioned above.

desloratadine

[des′lärat′ädēn]
a nonsedating antihistamine (H1 receptor antagonist) used for treatment of allergic rhinitis and chronic idiopathic urticaria. It is administered orally.

desloratadine

A long-acting, low-sedation, ANTIHISTAMINE drug that does not block cardiac potassium channels and is less likely than some second generation antihistamines to have undesirable cardiac effects. It is also less prone to enter the nervous system and produce sedation. A brand name is Neoclarityn.
References in periodicals archive ?
Developed by Sepracor and Schering-Plough, desloratadine first entered the British market in February 2201 and has now become a top-selling drug in the world.
Some examples include hydroxyzine, diphenhydramine, dimenhydrinate, loratadine, desloratadine, and cetirizine.
Efficacy and safety of desloratadine in the treatment of perennial allergic rhinitis.
Desloratadine is indicated for the relief of the nasal and non-nasal symptoms of seasonal allergic rhinitis.
Fexofenadine is superior to loratadine and desloratadine in onset of action of histamine-induced wheal and flare inhibition.
Reddy's Laboratories (NYSE: RDY) announced today that it has launched Desloratadine ODT (2.
and specifically its metabolite, desloratadine, are able to prevent manganese (Mn) from entering the cell wall of the bacteria that causes Lyme disease, starving the bacteria and causing it to die in test tubes.
Second-generation antihistamines are loratadine (Clarityne), desloratadine (Deselex), fexofenadine (Telfast), levocetirizine dihydrochloride (Xyzal) and certirizine (Zyrtec).
Schering-Plough markets desloratadine under the brand names AERIUS, AZOMYR and NEOCLARITYN in Europe and as CLARINEX (R) in the United States.
Newer-generation antihistamines, such as desloratadine, cetirizine and fexofenadine, were developed to minimize adverse events.
Some of the newer (second generation) antihistamines, such as fexofenadine (Allegra), loratadine (Claritin), desloratadine (Clarinex) and cetirizine (Zyrtec), have fewer side effects.