The effects of Vistaril last for 4 to 6 hours, and begin within 30 to 60 minutes of taking the medication, according to MedicineNet. It is important to be aware of the side effects while taking this drug. People who take it may need to alter their intake according to the condition they are treating and their doctor's instructions.Continue Reading
The dosage of Vistaril, which is the brand-name version of hydroxyzine, which should be taken varies depending on its uses.
As people who take Vistaril may experience drowsiness, they should avoid operating heavy machinery until the medication leaves their system. Combining Vistaril with alcohol can prolong this drowsiness, so patients should avoid consuming alcohol while taking this medication.Learn more about Medications & Vitamins