Level 1
Nil
Level 2
Nil
Level 3
Acid suppression
Proton pump inhibitors
Antiemetics
Cyclizine
Droperidol
Metoclopramide
Ondansetron
Prochlorperazine
Promethazine
Drugs that affect gastrointestinal motility
Aperients and laxatives
Prokinetics – erythromycin, metoclopramide
Octreotide (somatostatin)
Drugs used in liver failure
Lactulose
Rifaximin
Terlipressin