Shooting pain to groin. Me pls answer!

I am having intense shooting pain to groin from 25 days and i got to see a doc orthopedic and he did some test my vitamin d3 level are 20 deficiency calcium is ok ,he prescribed me pregabalin for 21 days,d3 tablet,calcium and d3 injection pe week for 5 week ,he told me its nerve pain bu dont tell me if it is pinched nerve or what ,and all of sudden from 2 days i am feeling dizziness weakness in legs sweating in legs fear like feeling loss of intrest loss of appetite anger some time feels like.crying ,i told th soctor about this and ge prescribed me fluoxetine 20 without telling me what if cause of all this am i deressed or having anxiety all of sudden is it because of the illness or related to pregabalin os ot normal or treatable i am afaraid of taking fluoxentine 20 what should i do pls help me pls answer