Cause of nausea and vomiting	Antiemetic
Anxiety, anticipatory, psychologic	Benzodiazepines, canniboids
Bowel obstruction	Octreotide (Sandostatin; see text)
Gastroparesis	Metoclopramide (Reglan)
Increased intracranial pressure, central nervous system pain	Dexamethasone
Inner ear dysfunction (rare in palliative care)	Anticholinergics, antihistamines
Medication (primarily chemotherapy)	5-HT3 and dopamine receptor blockers
Metabolic (e.g., uremia, cirrhosis)	5-HT3 and dopamine receptor blockers, antihistamines, steroids
Opioid bowel dysfunction	Methylnaltrexone (Relistor)