Arix (Cetirizine) is a second-generation antihistamine used to relieve allergy symptoms. It works by blocking histamine, the chemical responsible for allergic reactions such as sneezing, runny nose, itchy eyes, skin rashes, and hives. Compared to older antihistamines, Cetirizine causes less drowsiness, making it suitable for daytime use. Doctors in Pakistan commonly prescribe it for seasonal allergies, hay fever, conjunctivitis, and chronic urticaria (hives).
Uses
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Relief of hay fever (allergic rhinitis) – sneezing, runny nose, itchy throat, watery eyes.
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Relief of allergic conjunctivitis – redness, watery, and itchy eyes.
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Treatment of chronic urticaria (hives) – skin rashes and itching.
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Seasonal and perennial allergies (dust, pollen, pet dander).
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Management of nasal congestion and sneezing.
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Relief from allergic skin reactions.
Dosage
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Adults & children (6 years and above): 10mg (1 tablet) once daily.
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Children (2–6 years): 5mg (½ tablet) once daily or as prescribed.
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Kidney/Liver impairment: 5mg daily (dose adjustment required).
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Swallow whole with water, with or without food.
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Do not exceed the recommended daily dose.
How to Use
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Take at the same time daily for best results.
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Swallow the tablet whole; do not chew or crush.
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May be taken with or without meals.
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If a dose is missed, take it as soon as possible (skip if near the next scheduled dose — do not double).
Side Effects
Some patients may experience:
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Mild drowsiness or fatigue.
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Headache or dizziness.
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Dry mouth.
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Nausea or stomach upset.
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Rare: rash, sore throat, or rapid heartbeat.
Seek immediate medical attention if severe allergic reaction, chest pain, or breathing difficulty occurs.
Warnings & Precautions
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Use cautiously if you have kidney or liver problems
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Pregnant or breastfeeding women should consult a doctor first.
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Avoid alcohol, as it may worsen drowsiness.
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Do not combine with other antihistamines or sedatives unless prescribed.
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If you feel drowsy, avoid driving or operating machinery.
Contraindications
Do not use if:
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Allergic to Cetirizine or related antihistamines.
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Severe kidney or liver impairment (without doctor’s supervision).
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Children under 2 years (unless prescribed).
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History of hypersensitivity reactions to antihistamines.
Drug & Food Interactions
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Drug Interactions: Alcohol, sedatives, tranquilizers, other antihistamines, and medicines. affecting kidney/liver function
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Food Interactions: Can be taken with or without food. Avoid alcohol to prevent excessive. sedation
Storage & Disposal
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Store in a cool, dry place, away from sunlight.
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Keep out of children’s reach.
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Do not flush tablets — follow safe disposal guidelines or consult your pharmacist.
Quick Tips
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Take daily at the same time for consistent symptom relief.
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Swallow whole with water.
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Avoid alcohol and sedatives.
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Safe for daytime use — less drowsiness than older antihistamines.
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If missed, take promptly (do not double dose).
Doctor’s Review
“Cetirizine (Arix) is one of the safest and most effective antihistamines we use for allergy management. It provides excellent relief in hay fever, allergic rhinitis, and urticaria, with the benefit of minimal drowsiness. It widely for both children and adults. Patients should always follow the recommended dose and avoid unnecessary prolonged use without medical advice.”
— Dr. Muhammad Usman Ghani, MBBS, FCPS (ENT & Allergy Specialist)
Disclaimer
This information is provided for educational and informational purposes only. It is not a substitute for medical advice. Always consult a qualified doctor before starting or changing any medication, including Arix (Cetirizine).

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