The FDA has been approving psychotropic drugs, heart medications, birth control pills et al, with horrendous track records and mortal consequences since its inception. Some of those drugs have been taken off the market, but most like antidepressants are still available even though it is widely known they depress patients. Now we have the latest US government agency the FAA, which will now allow pilots to medicate and fly.
The Illinois Dept. of Public Health states that consent forms for administering psychotropics must be signed by patients or someone with power of attorney. In general, consents must say what drug will be given, how much and how often. If a doctor wants to add a drug, the consent must be re-signed. The patient must be fully informed of risks.