Background
There are muitiple causes for nausea / vomiting. Please try tailor your treatment to treat the underlying aetiology.
Approach
| Cause | Medication | Action | Comments |
|---|---|---|---|
| CTZ sensing meds or electrolyle imbalance | Prochlorperazine, chlorpromazine, haloperidol | Dopamine antagonist | Address cause for nausea |
| GI distention | Metoclopramide ±antihistamines | Promotility | |
| Vestibular | Promethazine, antihistamines, benzodiazepines, anticholinergics | ||
| ↑ ICP | Dexamethasone | ||
| Chemotherapy induced nausea | Ondansetron | Also try in nonchemotherapy patients | |
| CTZ = chemoreceptor trigger zone | |||