DRUG SUPPLIED DOSE COMMENTS
HYDROXYZINE (Paeds)
(Atarax)

Mechanism of action:

Antihistamine



Ref: 44, 644


Last update: 2022-07-03
capsules:  10 mg, 25 mg (50 mg not stocked at BCCH)
syrup:  2 mg/mL
injection:  50 mg/mL - not stocked at BCCH
Oral:
Children:
<=40 kg: 0.5 mg/kg/dose PO QHS - QID PRN Max: 25 mg/dose
>40 kg: 25-50 mg PO QHS - BID PRN Max: 100 mg/day

Adults: 
10-50 mg/dose PO TID-QID PRN Max: 200 mg/day

Parenteral form is for IM injection only which may produce local discomfort, erythema, sterile abscesses and tissue necrosis.


Standard Prescription:

hydroxyzine__mg PO Q__H (__mg/kg/24hr)