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*Greisner WA 3rd. Onset of action for the relief of allergic rhinitis symptoms with second-generation antihistamines. Allergy Asthma Proc. 2004 Mar-Apr;25(2):81-3. **nhs.uk/conditions/allergic-rhinitis/. Optrex Actimist for Itchy and Watery Eyes and Optrex Eye Wash are medical devices. Always read the instructions. Date of preparation: March 2021. RB-M-33918