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Cetirizine 💊
📘 About
- Always check the BNF entry (or local formulary) for the most up-to-date prescribing information.
- Used for relief of allergic symptoms including hay fever, urticaria, and allergic rhinitis.
⚙️ Mode of Action
- A non-sedating H1 receptor antihistamine that reduces histamine-mediated allergic responses.
💊 Dose Range
| Name | Starting Dose | Frequency | Route |
|---|---|---|---|
| Cetirizine (allergic symptoms) | 10 mg | OD | PO |
🔄 Interactions
- See BNF for detailed drug–drug interactions.
⚠️ Cautions
- Halve dose if eGFR <30 mL/min.
- Use with care in severe hepatic impairment (dose adjustments may be needed).
🚫 Contraindications
- See BNF for full contraindication list (e.g., severe renal impairment for some preparations).
💥 Side Effects
- Generally well tolerated.
- Refer to BNF for comprehensive list (e.g., headache, dry mouth, mild drowsiness in some cases).
📖 References
| The content on this website is provided for educational and informational purposes only to support exam preparation (e.g., MLA, MRCP, USMLE) and learning. This is NOT medical advice, diagnosis, treatment, or professional guidance. It does not replace consultation with a qualified healthcare professional, official guidelines (e.g., NICE, GMC, BNF), or supervised clinical practice. Always verify information with current, authoritative sources. Makindo and its contributors accept no liability for any reliance on this content, including errors, omissions, or any resulting harm, loss, or consequences. By using this site, you agree to these terms. |
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