Cetirizine Tablet Uses, Side Effects, Price 2026
Cetirizine Tablet Uses, Side Effects, Price 2026
What is Cetirizine?
Allergies are extremely common in Pakistan, tablet whether from dust, pollen, pet dander, or food. Cetirizine is one of the most popular antihistamine medicines used to relieve allergy symptoms. It is effective, fast-acting, and available without prescription in most pharmacies. Cetirizine is a second-generation antihistamine medicine. It works by blocking histamine H1 receptors in the body. Histamine is a chemical released by the immune system during allergic reactions and is responsible for symptoms like itching, sneezing, and runny nose. By blocking histamine, Cetirizine effectively controls these allergy symptoms. Compared to older antihistamines like Chlorpheniramine, Cetirizine causes much less drowsiness and is longer-acting. In Pakistan, it is sold under brands including Zyrtec, Cetriz, Rigix, Allercet, and many generics.
Cetirizine Uses
- Allergic Rhinitis (Hay Fever): Controls sneezing, runny nose, and itchy nose caused by pollen, dust, or pet allergies.
- Urticaria (Hives): Relieves itchy skin rash and welts.
- Allergic Conjunctivitis: Reduces itchy, watery, and red eyes caused by allergies.
- Eczema and Atopic Dermatitis: Helps relieve itching in skin conditions.
- Insect Bite Reactions: Reduces itching and swelling from insect bites.
- Food Allergies: Provides relief from mild allergic skin reactions to food.
Cetirizine Dosage
- Adults and children above 12 years: 10mg once daily at night.
- Children 6–12 years: 5mg twice daily or 10mg once daily.
- Children 2–6 years: 2.5mg twice daily (syrup form recommended).
- Elderly or kidney patients: 5mg once daily.
Cetirizine can be taken with or without food. Taking it at night is preferred because any drowsiness occurs during sleep.
Cetirizine Side Effects
- Drowsiness: The most common side effect, though much less than older antihistamines.
- Dry Mouth: Mild dryness is common.
- Headache: Mild headache may occur.
- Fatigue: Some patients feel tired.
- Nausea: Rare and mild.
Precautions and Warnings
- Avoid driving or operating machinery after taking Cetirizine until you know how it affects you.
- Avoid alcohol — it increases drowsiness.
- Patients with kidney disease should use a lower dose.
- Pregnant women should consult a doctor before use.
- Do not give to children under 2 years without doctor's advice.
Cetirizine Price in Pakistan 2026
- Zyrtec 10mg (10 tablets): Approximately Rs. 80–110
- Rigix 10mg (10 tablets): Approximately Rs. 60–90
- Generic Cetirizine 10mg (10 tablets): Approximately Rs. 35–60
Frequently Asked Questions
Can I take Cetirizine every day for allergies?
Yes. Cetirizine can be taken daily for ongoing allergy conditions such as chronic urticaria or seasonal allergies. Long-term use is generally safe.
How quickly does Cetirizine work?
Cetirizine starts working within 20 to 60 minutes of taking it and its effects last for 24 hours.

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