Haloperidol is an antipsychotic, which treats multiple types of mental illnesses including schizophrenia, psychosis, Tourette's and bipolar disorder. Doxepin is used to treat nerve pain, depression, and also treats irritable bowel syndrome. Galantamine is a cognitive-enhancing medication that is used to treat Alzheimer's disease and dementia.
The aerial shot of Tampa, Florida, near the beginning is actually Orlando, Florida, looking west-southwest. The lake in the center of the shot is Lake Eola. This isn't the first time Orlando has been used as a generic city in Florida; Future Perfect (2015) also featured Orlando as St. Augustine.