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Conjunctivitis - allergic - Management
What are the adverse effects of oral antihistamines?
- Most non-sedating antihistamines can cause sedation, especially at higher doses, because they penetrate the blood–brain barrier (although to a much lesser extent than sedating antihistamines) [DTB, 2002]. Advise people taking non-sedating antihistamines that they may cause sedation and therefore may affect ability to drive, and that the sedative effects are enhanced when combined with alcohol.
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