About cetirizine hcl
Second-generation antihistamine
Used for
- Relieves allergy symptoms such as sneezing, runny nose, and itchy eyes
- Treats hives and itching
Usual adult dose
Usually 10 mg once daily; some people use 5 mg once daily.
Usual dose in children
Ages 2–5: usually 2.5 mg once daily, up to 5 mg daily. Ages 6 and older: usually 5–10 mg once daily.
Common side effects
- Sleepiness or tiredness
- Dry mouth
- Headache
- Stomach discomfort
Important warnings
- May cause drowsiness; avoid driving if affected.
- Use caution with kidney disease; dose reduction may be needed.
- Do not exceed the recommended dose.
- Rarely, severe allergic reactions can occur.
Pregnancy
Generally considered low risk when needed; discuss use with a healthcare professional.
Breastfeeding
Small amounts enter breast milk. Occasional use is generally considered compatible; higher doses may affect milk supply or cause infant drowsiness.
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 It may be incomplete or out of date.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.