Question 1

Can I take cetirizine every day?

Accepted Answer

Yes, cetirizine is safe for daily long‑term use under medical supervision. It does not lose effectiveness over time.

Question 2

What should I do if I miss a dose?

Accepted Answer

Take the missed dose as soon as you remember, unless it's nearly time for your next dose. In that case, skip the missed dose and continue normally. Do not double.

Question 3

Can I give cetirizine to my 5‑year‑old child?

Accepted Answer

The 10 mg tablet is not suitable for children under 6 years because the dose cannot be accurately adjusted. A liquid formulation (cetirizine oral solution) is available for younger children – ask your pharmacist.

Question 4

Does cetirizine interact with other medicines?

Accepted Answer

Cetirizine has few known drug interactions. However, always tell your doctor or pharmacist about any other medicines you take, including herbal products.

Question 5

How long does it take for cetirizine to work?

Accepted Answer

Cetirizine starts working within 1 hour, and its effect lasts for 24 hours, making it suitable for once‑daily dosing.