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Vistaril

A histamine H1 receptor antagonist that is effective in the treatment of chronic urticaria, dermatitis, and histamine-mediated pruritus. Unlike its major metabolite cetirizine, it does cause drowsiness. It is also effective as an antiemetic, for relief of anxiety and tension, and as a sedative.

Vistaril, a piperazine antihistamine structurally related to buclizine, cyclizine, and meclizine, is used to treat histamine-mediated pruritus or pruritus due to allergy, nausea and vomiting, and, in combination with an opiate agonist, anxiolytic pain. Vistaril is also used as a perioperative sedative and anxiolytic and to manage acute alcohol withdrawal. Vistaril’s active metabolite, cetirizine, is also used as an H1-antagonist.

Oral, rat LD50: 950 mg/kg. Symptoms of overexposure include hypersedation.

Imprints


Drug: Vistaril
Strength: 25 Mg
Pill Imprint: VISTARIL PFIZER 541
Color: Green / Green
Shape: Capsule-shape

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Drug: Vistaril
Strength: 50 Mg
Pill Imprint: PFIZER 542 VISTARIL
Color: Green / White
Shape: Capsule-shape

View Images & Details

Drug: Vistaril
Strength: 100 Mg
Pill Imprint: VISTARIL PFIZER 543
Color: White / Green
Shape: Capsule-shape

View Images & Details

Drug: Vistaril
Strength: 25 Mg
Pill Imprint: VISTARIL PFIZER 541
Color: Green / Green
Shape: Capsule-shape

View Images & Details

Drug: Vistaril
Strength: 50 Mg
Pill Imprint: PFIZER 542 VISTARIL
Color: Green / White
Shape: Capsule-shape

View Images & Details

Drug: Vistaril
Strength: 100 Mg
Pill Imprint: VISTARIL PFIZER 543
Color: White / Green
Shape: Capsule-shape

View Images & Details
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