There is more history reqd.
1. Do u get such pains every cycle?
2. Is it always this severe that u need to take meds? If yes, it's not normal, u need further investigations.
3. If this pain is every month,this could be due to endometriosis, which is a vital factor in infertility too.
Next Steps
u shld consult a gynaec n get properly investigated.
u can consult online too.