Do first-generation antihistamines have more side effects overall?

4 days ago ... ... non-drowsy antihistamine every day for a couple of weeks before their first exam and throughout their exam period until they are finished ... Allegra relieves allergy symptoms from common allergens providing fast-acting*, long-lasting relief from symptoms like sneezing, runny nose, itchy eyes, and ... Oct 26, 2022 ... ACCEPTABLE* (Non-Sedating) Antihistamine and Allergy Medications. May be used as a single agent or in any combination product, if other ... AERIUS 24-hour, non-drowsy antihistamine provides long-lasting relief from allergy symptoms. Learn about dosage, ingredients, safety, & more. Formulated with active ingredient fexofenadine HCI, Allegra Non-Drowsy Allergy Medicine provides powerful relief from indoor and outdoor allergies, including ... Formulated with active ingredient fexofenadine, Allegra Non-Drowsy Allergy Medicine provides powerful relief from indoor and outdoor allergies, including ... Prevents and treats the symptoms of motion sickness* (nausea and vomiting) without drowsiness. Advanced Herbals™ Non-Drowsy is safe to use every day you travel ... Allegra Adult 24HR Non-Drowsy Antihistamine Allergy Tablets - 30 Count · Form · Relief duration · 0% Brain interference due to drowsiness · Non-drowsy relief. Sep 24, 2017 ... Actually you CAN take a non sedating antihistamine before a colonoscopy however you should NOT take it atleast 4 hours before the procedure ... List of second-generation (non-drowsy) antihistamines for allergies. A few examples of non-drowsy H1 antihistamines include: Azelastine eye solution (Optivar ...