If you have severe pain during your periods it is called as dysmenorrhea...
severe dysmenorrhea is not normal...
It can be due to a lot of reasons ...most common being endometriosis, fibroid uterus, adenomyosis ...
For pain right now you can take tablet meftal spas after food as and when needed ...
You can also do hot fomentation
Next Steps
you also need to do ultrasound pelvis to know the cause of such severe pain