Nausea and Vomiting
🔴Vestibular :
🟣Cholinergic, Histaminic
👨⚕️Anticholinergic, Antihistaminic (Scopolamine patch, Promethazine)
🔴Obstruction: Bowels, Obstipation:
🟣Cholinergic, Histaminic, likely 5HT3
👨Rx: Stimulate myenteric plexus : Senna, Bisacodyl (Dulcolax)
🔴DysMotility of upper gut
🟣Cholinergic, Histaminic, 5HT3, 5HT4
👨Rx: Prokinetics stimulating 5HT4 : Metoclopramide
🔴Infection, Inflammation
🟣Cholinergic, Histaminic, 5HT3, Neurokinin 1
👨Rx: Anticholinergic, Antihistaminic, 5HT3 antagonists, Neurokinin 1 antagonists : Promethazine (labyrinthitis), Prochlorperazine
🔴Toxins stimulating the chemoreceptor trigger-zone
🟣opioids brain such as opioids or chemotherapy Receptors Involved Dopamine 2, 5HT3
👨Antidopaminergic, 5HT3 Antagonists : Prochlorperazine, Haloperidol, Ondansetron
https://www.mypcnow.org/fast-fact/the-causes-of-nausea-and-vomiting-v-o-m-i-t/