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Hydroxyzine
Pronounced hy-DROX-i-zeen
Brand names: Vistaril, Atarax
Type: Antihistamine (sedating) · All Allergy Medicines
What Hydroxyzine is used for
- Itching from allergies and eczema
- Anxiety, short-term
- Sedation before procedures
◆ Kidney note
Dose may be lowered in older adults and in severe kidney impairment because sedation lasts longer.
Common side effects
- Drowsiness
- Dry mouth
- Headache
- Dizziness
Important cautions
- Can affect heart rhythm (QT prolongation) in susceptible people and at higher amounts — heart history and interacting medicines matter
- Strongly sedating — alcohol and other sedatives add to the effect
How it comes
Tablets, capsules, liquid, injection (hospital). This guide lists forms only — it never lists strengths or doses.
Related medicines — Allergy Medicines
Please note: This page is a patient-education summary, not medical advice, and it deliberately contains no doses. Medicines affect everyone differently — always follow your own prescription and talk to your doctor or pharmacist before starting, stopping or changing any medicine.