Please help me...

:-) • ♡ 23 • Pisces ♡
TMI
I've been on the Depo shot for almost 3 weeks now. And I HATE it...
Sex is extremely painful. And I have SO MUCH discharge... And now my vagina is starting to have a strong/different smell. I feel embarrassed...
I wish I could go back 3 weeks and never get it. :-(