Types of General Anesthesia for Surgery fall into two mutually inclusive yet commercially distinct baskets: inhalational and intravenous. Inhalational agents—sevoflurane, isoflurane, and desflurane—command close to 60% of 2023 volatile sales despite generic erosion; sevoflurane leads on pediatric and ambulatory share, whereas desflurane earns a price premium for bariatric and same-day discharge cases. Intravenous anesthesia, anchored by propofol, etomidate, and midazolam, is growing 1.5× faster as ERAS protocols emphasize rapid wake-up and reduced PONV; propofol alone represents >70% of IV sales. Adjunct analgesics (remifentanil, fentanyl, morphine) and neuromuscular blockers (rocuronium, succinylcholine) are not direct general anesthetics but are indispensable to balanced techniques; their attach rate exceeds 90% in hospital settings, adding ~25% dollar value on top of the primary hypnotic spend. Market taxonomy thus reveals a technology mix shifting toward TIVA and balanced low-dose volatile combinations, reshaping procurement volumes and supplier contracting power.