Vistaril is the exact same drug as Atarax simply under a different brand name. It is an antihistamine, so it can be prescribed for mild allergic responses, such as those to poison ivy or a bee sting (so long as you don't have specific allergic considerations).Does Vistaril take effect immediately?
Vistaril (hydroxyzine pamoate) acts quickly. It is rapidly absorbed into your stomach, and begins to work as soon as 15 to 30 minutes after you take it.Does Atarax make you drowsy?
Atarax is also used to treat allergic skin reactions such as hives or contact dermatitis". It is a medication that causes drowsiness, and considering you have high blood pressure you should take it only as your doctor has prescribed. 2 tablets before bed shouldn't cause a problem with drowsiness during the day.What happens if you overdose on hydroxyzine?
The effects of a hydroxyzine overdose may include: Dilated pupils. Flushed face. Dry mouth. Excitation (more common in children) Drowsiness (more common in adults) Nausea and vomiting.