Ziltem/Ziltem IM Dosage/Direction for Use

Hydroxyzine may be given orally as the hydrochloride or the embonate; doses are expressed in terms of the hydrochloride. Hydroxyzine embonate 170 mg is equivalent to about 100 mg of hydroxyzine hydrochloride. The usual oral doses in adults are: 50 to 100 mg four times daily for the short-term management of anxiety; for pruritus an initial dose of 25 mg given at night, increased if necessary to 25 mg three or four times daily; and 50 to 100 mg for pre or post operative sedation.
For pruritus in children over 6 years of age the initial dose is 15 to 25 mg daily increased if necessary to 50 mg daily in divided doses.
Hydroxyzine may be given IM; Alternatively, 1 mg/kg may be given in divided doses, to a maximum of 2.5 mg/kg in children aged 1 to 6 years, and to a maximum of 2 mg/kg daily in those aged 6 years and over. The pre- or postoperative sedative dose in children is 600 micrograms/kg. Dosage should be reduced in patients with hepatic or renal impairment.
For adult psychiatric and emotional emergencies including acute alcoholism IM: 50-100 mg stat., and q. 4-6h., p.r.n.
Nausea and vomiting excluding nauseas and vomiting of pregnancy: Adults: 25-200 mg IM.
Children 0.5 mg/lb body weight IM.
Pre and postoperative adjunctive medication: Adults: 25-200 mg IM.
Children: 0.5 mg/lb body weight IM Pre and postpartum adjunctive therapy 25-100 mg IM.