2. Histamine Receptor Antagonism: Some sedatives, such as antihistamines, exert their sedative effects by blocking histamine receptors while in the brain, specially H1 receptors. Histamine plays a role in wakefulness and arousal, so blocking its effects promotes sedation and sleepiness. Medical professionals and veterinarians normally administer sedatives to patients https://tituspjzpd.gynoblog.com/32288904/uses-of-sedative-drugs-how-they-benefit-medical-treatments