Welcome to HCM
You have Dysmenorrhea which is usually seen in your age group,if it tolerable and you can use simple analgesics in consultation with Gynecologist.If NSAID
is not tolerated a Cox 2 inhibitor may be given.
If it is primary type but you should get examined once and evaluate with a Pelvic ultrasonography
there are few secondary causes like Endometriosis
,any cyst,muscle tumor
If every thing is fine supportive measures like normal work during periods and local hot fomentaton,accupressure therapy helps .
With advise of your Gynecologist may give hormone therapy
some cases, even IUCD devices with hormones helps to relive pain and sufferings.
Please take care
Good luck to you.