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Hydroxyzine: uses, side effects & brands
Hydroxyzine is a sedating antihistamine used for itching, hives and anxiety. It belongs to the Antihistamine (allergy) group. Antihistamines relieve allergy symptoms such as sneezing, itching, runny nose and hives.
Drug type — dosing is set by your doctor
| Measure | Range |
|---|---|
| Drug class | Antihistamine (allergy) |
| Type | Prescription |
| Dose | Individual — ask your doctor or pharmacist |
What it is used for
- Itching from allergies, hives or eczema
- Short-term relief of anxiety
- Sedation before procedures (sometimes)
Common brand names
- India: Atarax, Hyzine
- Worldwide: Atarax, Vistaril
Common side effects
- Drowsiness
- Dry mouth
- Headache
- Dizziness
Before taking it — precautions
- Avoid alcohol and other sedatives; do not drive if drowsy
- Tell your doctor about heart rhythm problems, low potassium, or medicines that affect heart rhythm
- Older adults, pregnancy and breastfeeding — use only on medical advice
When to see a doctor urgently
- Fast, irregular heartbeat or fainting (urgent)
- Severe allergy or rash with fever and pustules (urgent)
- Difficulty passing urine or confusion
Not a prescription — no dose shown. The right dose of hydroxyzine depends on age, weight, kidney/liver function and the condition, so MedDroid does not show a dose here. Always get your dose from a doctor or pharmacist and the leaflet inside the pack. General educational information only.
Frequently asked questions
Is hydroxyzine habit-forming?
It is not considered addictive like benzodiazepines, but it still causes drowsiness.
Why does it make me so sleepy?
It is a sedating antihistamine that acts on the brain; this is why it is sometimes taken at night.
Can I drive while taking it?
Avoid driving or using machines until you know how it affects you.
Explore more
Sources & further reading
- World Health Organization (WHO)
- MedlinePlus — U.S. National Library of Medicine
- Ministry of Health & Family Welfare, India
- Indian Council of Medical Research (ICMR)
Reviewed by Dr. Sanjay Anbu, MBBS. MedDroid is an AI medical assistant and can make mistakes. It provides general health information, not a diagnosis or medical advice — always consult a qualified clinician. In an emergency, contact your local emergency number immediately.