Watch this documentary.

I agree completely with your suspicions.
The ties between pharmaceutical companies, psychiatrists, and the FDA
is beyond what's necessary for "helping" the general population.

The psychiatrists add any emotion or natural human feeling to the DSM
and label it a disorder, then the pharm. companies comes in claiming
"We have a fix for that! Just take this pill!"

Plenty of these medications actually are effective, but that doesn't
change the fact that it's all done for money and to extort the "patients"