Why do i always have bad period pain to the point i can't stay still on the first day of my period , not even pain killers help ?

Prostaglandins: some women have more severe pain.Even before you start your period if you have signs try taking ibuprofen 600 mg with food every 6 hours for 2-3 days.This counteracts prostaglandin--the cause of pain and may help.If it continues see a gynecologist.

Med eval: NSAID’s, SSRI’s, hormone meds, OTC meds containing diuretics, warm bath, heating pad, exercise & acupuncture are excellent for PMS / period. Avoid caffeine, chocolate, alcohol & salt. Get GYN eval to R/O underlying pathology. Consider omega- 3 fatty acids, magnesium (supplementation or through diet) or Black Cohosh with dr ok. Sipping Chamomile can dissipate pain. Ginger helps w nausea.