Alatrol Tablet, Syrup, Pediatric Drops

Alatrol is a potent and highly selective antagonist of the peripheral histamine H1-receptor on effector cells in the GI tract, blood vessels and respiratory tract.

Uses

Alatrol is used for the treatment of seasonal allergic rhinitis and conjunctivitis, perennial allergic rhinitis, pruritus and urticaria. It is also used in allergen induced asthma.

Alatrol is also used to associated treatment for these conditions: Chronic Idiopathic Urticaria, Flu caused by Influenza, Perennial Allergic Rhinitis (PAR), Pollen Allergy, Respiratory Allergy, Seasonal Allergic Rhinitis

Trade Name Alatrol
Generic Cetirizine
Other Names Cetirizin, Cetirizina, Cetirizine, Cetirizinum
Weight 10mg, 5mg/5ml, 2.5mg/ml
Type Tablet, Syrup, Pediatric Drops
Formula C21H25ClN2O3
Weight Average: 388.888
Monoisotopic: 388.155370383
Protein binding

The mean plasma protein binding of cetirizine is 93% .

Therapeutic Class Sedating Anti-histamine
Manufacturer Square Pharmaceuticals Ltd
Available Country Bangladesh
Last Updated: June 23, 2021 at 11:18 am

Dosage

Alatrol dosage

Tablet:

  • Adults and children over 6 years: 1 tablet (10 mg) once daily or ½ tablet twice daily.
  • Children 2-6 years: ½ tablet once daily.

Syrup:

  • Adults and children over 6 years: 2 teaspoonful (10 mg) once daily or 1 teaspoon (5 mg) twice daily.
  • Children 2-6 years: 1 teaspoonful once daily or ½ teaspoon twice daily.

Side Effects

Alatrol dihydrochloride is well tolerated. Lower incidence of sedation, headache, dry mouth, and gastrointestinal disturbances may occur. It does not produce anticholinergic effects.

Precaution

Caution should be exercised when driving a car or operating a heavy machinery. Concurrent use of cetirizine with alcohol or other CNS depressants should be avoided because additional reduction in alertness and CNS performance may occur.

Interaction

No clinically significant drug interactions have been found with theophylline, azithromycin, pseudoephedrine, ketoconazole or erythromycin and with some other drugs.

Food Interaction

  • Avoid alcohol.
  • Take with or without food. The absorption is unaffected by food.

Volume of Distribution

Apparent volume of distribution: 0.44 +/- 0.19 L/kg .

Half Life

Plasma elimination half-life is 8.3 hours .

Clearance

Apparent total body clearance: approximately 53 mL/min .

Alatrol is mainly eliminated by the kidneys , . Dose adjustment is required for patients with moderate to severe renal impairment and in patients on hemodialysis .

Pregnancy & Breastfeeding use

Pregnancy category B. There are no adequate and well controlled studies in pregnant women. Alatrol should be used during pregnancy only if clearly needed. Alatrol has been reported to be excreted in human breast milk. As large amount of drugs are excreted in human milk, use of Alatrol in nursing mother is not recommended.

Contraindication

Alatrol Dihydrochloride is contraindicated in those patients with a known hypersensitivity to it or any of its ingredients or hydroxyzine.

Acute Overdose

Symptoms: Confusion, dizziness, fatigue, headache, malaise, restlessness, sedation, somnolence, diarrhoea, mydriasis, pruritus, stupor, tachycardia, tremor, and urinary retention. 

Management: Symptomatic and supportive treatment. Gastric lavage may be done shortly following ingestion.

Storage Condition

Store between 20-25°C. Syrup: Store between 2-8°C.

Alatrol contains Cetirizine see full prescribing information from innovator Monograph