About cetirizine dihydroch loride
Second-generation antihistamine
Used for
- Relief of allergic rhinitis symptoms, including sneezing and runny nose
- Relief of itching and hives
Usual adult dose
10 mg once daily for allergies or hives.
Usual dose in children
Ages 6–11: 5–10 mg once daily. Younger children need age-appropriate dosing.
Common side effects
- Sleepiness or tiredness
- Dry mouth
- Headache
- Dizziness
Important warnings
- May cause drowsiness; use caution with driving or alcohol.
- Dose may need adjustment in kidney disease.
- Seek urgent care for breathing difficulty or facial swelling.
Pregnancy
Generally considered low risk when needed; discuss use with a healthcare professional.
Breastfeeding
Small amounts enter breast milk; monitor infants for unusual sleepiness or irritability.
Interactions
- Alcohol and sedatives may increase drowsiness.
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 It may be incomplete or out of date.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.