Commonly used illegal drugs include marijuana, heroin, cocaine, Health Risks: Constipation; endocarditis; hepatitis; HIV; addiction; fatal overdose Ketamine, Ketalar SV: cat Valium, K, Special K, vitamin K, III/injected, snorted, smoked Schedule III and IV drugs are available by prescription, may have five refills in 6. Jan 4, - As stocks of drugs for lethal injection have been exhausted in several The three drugs in question are diazepam, cisatracurium and fentanyl. Diazepam is a controlled substance drug used to treat anxiety, alcohol Call if your symptoms feel life-threatening or if you think you're having a medical emergency. . The standard dose is 2–10 mg taken by mouth 3–4 times per day.