Fexofenadine
Least-sedating second-gen antihistamine
Episodes
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#3031: How Allergies Actually Work (And Why They're Getting Worse)The immunology, the hygiene hypothesis, climate change's role, and how non-drowsy antihistamines really are. -
#2708: Why Histamine Keeps You Awake and Makes You SneezeHow one molecule runs both your allergy symptoms and your brain’s wakefulness system.