Most psych drugs take a few weeks to build up in your system before any effect might be noticed.

It is impossible to tell you what to expect. The big thing is to note side-effects if any. The maddening thing with psych drugs is that everyone reacts differently and what works for one person might not work for another. Same with side-effects.

If you get side-effects that can be dangerous or just make you worry, report them to your doctor as soon as you can.

I find reading wikipedia or a medical site about the drug helps me know the upsides and downsides.

Sometimes the side-effects lists of psych drugs can be frightening, but most are very rare, and I feel more education is always better than less.