It used to be joked that a consultant is someone who borrows your watch to tell you what time it is. These days, the opportunist is Big Pharma, which raises your insurance premiums and taxes while providing you "low-priced" drugs that you paid for.
My first foray into the nebulous world of antidepressants was in 1985 when I was put on Sinequan. It gave me severe cotton mouth, didn't do much for my mood.