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Evidence-based antihistamine comparison of loratadine, cetirizine, and fexofenadine: 2025 efficacy data, sedation risk, food interactions, and cost analysis for clinicians and patients.

Loratadine vs cetirizine vs fexofenadine: compare onset, duration, drowsiness, pregnancy safety, and efficacy of second-generation antihistamines.

Compare cetirizine vs fexofenadine vs loratadine on efficacy, sedation, onset, cost, and safety. Evidence-based guide to choosing the right antihistamine.

Evidence-based guide to antihistamines pregnancy safety. Covers loratadine, cetirizine, diphenhydramine dosing, FDA categories, and breastfeeding. By PharmD.