Xylazine Exacerbates Fentanyl-Induced Respiratory Depression and Bradycardia. 

Xylazine Exacerbates Fentanyl-Induced Respiratory Depression and Bradycardia. 

Demery-Poulos C, Moore SC, Levitt ES, Anand JP, Traynor JR. 

bioRxiv [Preprint]. 2024 Aug 19:2024.08.16.608310. doi: 10.1101/2024.08.16.608310. PMID: 39229079; PMCID: PMC11370410.

https://www.ncbi.nlm.nih.gov/pmc/articles/PMC11370410/