About hydroxyzi ne
First-generation antihistamine
Used for
- Relief of itching from allergic skin conditions
- Short-term treatment of anxiety
- Sedation before or after medical procedures
Usual adult dose
Itching: 25 mg three or four times daily. Anxiety: 50–100 mg four times daily. Doses vary by country and indication.
Usual dose in children
Itching: 0.5–1 mg/kg per dose, three or four times daily; maximum doses depend on age and local guidance.
Common side effects
- Sleepiness and impaired coordination
- Dry mouth
- Dizziness
- Confusion, especially in older adults
Important warnings
- Can impair alertness; avoid driving if affected.
- May prolong the heart’s electrical interval and cause serious rhythm problems.
- Avoid or use caution with medicines that cause sleepiness or affect heart rhythm.
- Use the lowest effective dose for the shortest duration.
Pregnancy
Use only when clearly needed after clinician review; recommendations differ by country and pregnancy stage.
Breastfeeding
Generally not recommended, especially for newborns or prolonged use; may cause infant sleepiness or reduce milk supply.
Interactions
- Alcohol, opioids, sedatives, and other medicines causing sleepiness
- Medicines that prolong the QT interval, including some antibiotics and antipsychotics
- Medicines with anticholinergic effects, such as some bladder or allergy medicines
AI-generated from general medical knowledge, not from this product's official leaflet. It may be incomplete or out of date. Not medical advice — ask a pharmacist or doctor before making any decision.