"What are allergies?
Allergies occur when the body's immune system responds to a substance it considers an "invader." Substances that provoke the immune system into an allergic response are known as allergens. There is no such thing as a"...
For symptomatic relief of anxiety and tension associated with psychoneurosis and as an adjunct in organic disease states in which anxiety is manifested.
As a sedative when used as premedication and following general anesthesia, Hydroxyzine may potentiate meperidine (Demerol®) and barbiturates, so their use in pre-anesthetic adjunctive therapy should be modified on an individual basis. Atropine and other belladonna alkaloids are not affected by the drug. Hydroxyzine is not known to interfere with the action of digitalis in any way and it may be used concurrently with this agent.
The effectiveness of hydroxyzine as an antianxiety agent for long-term use, that is, more than 4 months, has not been assessed by systematic clinical studies. The physician should reassess periodically the usefulness of the drug for the individual patient.
DOSAGE AND ADMINISTRATION
For symptomatic relief of anxiety and tension associated with psychoneurosis and as an adjunct in organic disease states in which anxiety is manifested: in adults, 50-100 mg q.i.d.; children under 6 years, 50 mg daily in divided doses; and over 6 years, 50-100 mg daily in divided doses.
For use in the management of pruritus due to allergic conditions such as chronic urticaria and atopic and contact dermatoses, and in histamine-mediated pruritus: in adults, 25 mg t.i.d. or q.i.d.; children under 6 years, 50 mg daily in divided doses; and over 6 years, 50-100 mg daily in divided doses.
As a sedative when used as a premedication and following general anesthesia: 50-100 mg in adults, and 0.6 mg/kg in children.
When treatment is initiated by the intramuscular route of administration, subsequent doses may be administered orally.
As with all medications, the dosage should be adjusted according to the patient's response to therapy.
Vistaril® Capsules (hydroxyzine pamoate equivalent to hydroxyzine hydrochloride)
25 mg: 100's (NDC 0069-5410-66), two-tone green capsules
50 mg: 100's (NDC 0069-5420-66), green and white capsules
Vistaril® Oral Suspension (hydroxyzine pamoate equivalent to 25 mg hydroxyzine hydrochloride per teaspoonful-5 mL):
1 pint (473 mL)
bottles (NDC 0069-5440-93) and
4 ounce (120 mL) bottles (NDC 0069-5440-97) in packages of 4.
Shake vigorously until product is completely resuspended.
Bibliography Available on request.
Distributed by: Pfizer Labs, Division of Pfizer Inc, NY, NY 10017. Revised May 2014
Last reviewed on RxList: 6/16/2014
This monograph has been modified to include the generic and brand name in many instances.
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