Chronic ketamine abuse ... can damagekidneys and liver. ... [it] can also lead to urinary tract and bladder problems. People might experience an increased heart rate, seizures, high blood pressure and respiratory issues. Ketamine-induced deterioration can be severe, debilitating and life-threatening. ...[it] can... lead to organ failure, heart attacks and death in some circumstances. https://www.priorygroup.com/blog/long-term-effects-of-ketamine