Contributor: Don Stader, MD
- Zyprexa (olanzapine) is a second generation antipsychotic with multiple other uses
- Excellent for treating nausea in patients undergoing chemotherapy or with THC hyperemesis syndrome
- Helps with the psychological and emotional aspect of pain
- Effective in treatment of headaches
- Can be given under the tongue
- Fewer incidences of dystonic reactions compared with first generation antipsychotics
- Patients using anti-dopaminergic should not receive antipsychotics because they also work on dopaminergic receptors
Navari RM, Qin R, Ruddy KJ, Liu H, Powell SF, Bajaj M, Dietrich L, Biggs D, Lafky JM, Loprinzi CL. Olanzapine for the Prevention of Chemotherapy-Induced Nausea and Vomiting. N Engl J Med. 2016 Jul 14;375(2):134-42. doi: 10.1056/NEJMoa1515725. PMID: 27410922; PMCID: PMC5344450.
Jimenez XF, Sundararajan T, Covington EC. A Systematic Review of Atypical Antipsychotics in Chronic Pain Management: Olanzapine Demonstrates Potential in Central Sensitization, Fibromyalgia, and Headache/Migraine. Clin J Pain. 2018 Jun;34(6):585-591. doi: 10.1097/AJP.0000000000000567. PMID: 29077621.
Summarized by Jackson Roos, MS4 | Edited by Erik Verzemnieks, MD