Question 1

Does cetirizine cause weight gain?

Accepted Answer

Weight gain is a rare side effect (may affect up to 1 in 1,000 people). If you notice unexplained weight increase, consult your doctor.

Question 2

Can cetirizine make you feel anxious or agitated?

Accepted Answer

Agitation is an uncommon side effect. If you experience unusual anxiety or agitation, speak to your doctor.

Question 3

How long does drowsiness from cetirizine last?

Accepted Answer

Drowsiness usually occurs within the first few hours and may improve after a few days of regular use. If it persists, try taking the dose in the evening.

Question 4

Can I take cetirizine if I have high blood pressure?

Accepted Answer

Cetirizine is generally safe for people with high blood pressure, as it does not affect blood pressure. However, always check with your doctor or pharmacist.

Question 5

What should I do if I experience severe side effects?

Accepted Answer

Stop taking cetirizine and seek medical attention immediately if you have difficulty breathing, swelling, thoughts of self‑harm, or signs of a severe skin reaction.