At first derived from PCP, or "angel dust," ketamine has long been used in hospitals and veterinary clinics being an anesthetic for many years. It is also been cited being a drug of misuse underneath the moniker "special K." Very long-term complications: Ulcers and ache within the bladder; kidney problems; https://magicmushroomstore.us/2025/03/31/the-therapeutic-benefits-of-psilocybin-mushrooms/