Cetirizine
System: AllopathyClass: Antihistamine (Second Generation)Composition: Cetirizine HydrochloridePrescription: OTCEssential medicine (NLEM): Yes
Cetirizine relieves allergy symptoms such as sneezing, runny nose, itching and hives.
Common brands
- Cetzine
- Okacet
- Alerid
Dosage forms
- Tablet
- Syrup
Uses
- Allergic rhinitis
- Hives
- Itching
- Allergic conjunctivitis
How it works
Blocks histamine, a chemical released during allergic reactions.
How to take
Usually once daily, preferably at night.
Common side effects
- Drowsiness
- Dry mouth
- Headache
Serious side effects — get medical help
- Rarely severe allergy
Who should not take it
- Severe kidney disease (dose change)
Interactions
- Alcohol and sedatives increase drowsiness
Pregnancy & breastfeeding
Ask a doctor in pregnancy; generally avoided in breastfeeding.
Alcohol & driving
Can cause drowsiness; avoid driving if affected and avoid alcohol.
Storage
Store below 30°C.
Used for these conditions
Brands available in India
Frequently asked questions
What is Cetirizine used for?
Allergic rhinitis, Hives, Itching, Allergic conjunctivitis
What are the side effects of Cetirizine?
Drowsiness, Dry mouth, Headache
How should I take Cetirizine?
Usually once daily, preferably at night.
Who should not take Cetirizine?
Severe kidney disease (dose change)
Medically reviewed by
Medical review pending
Last updated
9 October 2026
Sources
- National List of Essential Medicines (NLEM) 2022, MoHFW
- National Formulary of India, Indian Pharmacopoeia Commission
- CDSCO approved drug information
This information is for general awareness and does not replace advice from a qualified doctor. Do not start, stop or change any medicine without medical advice.