Eli5: How do antihistamines work and what is the difference between first generation and second? 328 viewsJanuary 1, 2024 Question98.74K June 2, 2023 0 Comments Eli5: How do antihistamines work and what is the difference between first generation and second? In: 287 10 Answers ActiveNewestOldest Anonymous Posted June 2, 2023 0 Comments They block receptors which react to things you’re allergic to, helping cut back allergies. First gen pass blood brain barrier, which can make you sleepy. 2nd gen don’t, so no sleepy You are viewing 1 out of 10 answers, click here to view all answers. Register or Login
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