๐ Indications & Clinical Dosage
*Symptomatic relief of allergy such as hay fever and Urticaria, Insomnia associated with urticaria andpruritus:*
ORAL: Adult: 10-20 mg 2-3 times a day
Children 2-4 yrs: 5 mg twice daily, alternatively 5-15 mg once daily at night; 5-9 yrs: 5-10 mg twice daily, alternatively 10-25 mg once daily at night; 10-17 yrs: 10-20 mg 2-3 times a day, alternatively 25 mg once daily at night, increased if necessary to 25 mg twice daily.
BY DEEP IM INJ: Adult: 25-50 mg (max. per dose 100 mg); may be repeated in 2 hr.
*Emergency treatment of anaphylactic reactions:*
BY SLOW IV INJ: Adult: 25-50 mg, to be administered as a solution containing 2.5 mg/ml in water for injections; max. 100 mg per course; may be repeated in 2 hr.
*Sedation (short-term use):*
ORAL: Adult & Children above 10 yrs: 25-50 mg.
Children 2-4 yrs: 15-20 mg; 5-9 yrs: 20-25 mg.
BY DEEP IM INJ: Adult: 25-50 mg every 6 hr as needed.
Children: 0.5-1 mg/kg/dose every 6 hr as needed (max 25mg/dose).
*Nausea, Vomiting, Vertigo, Labyrinthine disorders, Motion sickness:*
ORAL: Adult & Children above 10 yrs: 20-25 mg at bedtime on night before travel, repeat following morning if necessary
Children 2-4 yrs: 5 mg at bedtime on night before travel, repeat following morning if necessary; 5-9 yrs: 10 mg at bedtime on night before travel, repeat following morning if necessary.
BY IM OR IV INJ: Adult: 12.5-25 mg every 4-6 hr as needed.
Children: 0.25-1 mg/kg 4-6 times/day as needed.
๐ Mode of Administration
Administer IM into deep muscle mass. IV ad-ministration is not preferred route. Solution for injection may be diluted in 25-100 ml NS or D5W (max conc. of 25 mg/ ml) and infuse over 15-30 min at a rate of 25 mg/min.
๐ Drug Interactions
Alcohol, CNS depressants, MAOls.
โ ๏ธ Adverse Reactions / Side Effects
Headache, drowsiness, impaired reactions, dizziness, disorientation, photosensitivity, extra-pyramidal reactions, convulsions (high doses).
๐คฐ Pregnancy & Lactation Safety
Pregnancy Risk:
Caution advised
Lactation / Breastfeeding:
Contraindicated
๐งช Compatibility & Storage Stability
Compatibility: Stable in NS, D5W, 010W, D5NS, LR, 1/2NS, NS.
Stability & Storage: Store at controlled room temperature 20C-25C (68T-77T). Protect from light. Keep covered in carton until time of use. Do not use if solution has developed colour or contains a precipitate.