Effects of H1 Antihistamines at Histamine, Adrenergic, Cholinergic, and Serotonin-Binding Receptors Cholinergic - Incr Dry mouth, Incr Urinary retention, Incr Sinus tachycardia Alpha-Adrenergic - Incr Hypotension, Incr Dizziness, Incr Reflex tachycardia Serotonin - Incr Appetite Histamine H1 - Decr Allergic inflammation, itching, sneezing, and rhinorrhea, Decr Neurotransmission in the CNS, Incr Sedation, Decr Cognitive and psychomotor performance, Incr Appetite #H1 #Antihistamines #Pharmacology #Receptors #Effects
