Suggest Medication For Stomach Cramps Due To Delay In Periods

Female 19 no health issue I've Bren gave leg issues when I walk it hurt even when I don't move it for about a month now I went to the doctors and told be it was nothing I don't have the mood to eat any more when I'm hungry I get really bad cramps I missed my period last month and only saw spotting this month when I pee u don't see blood but when I wipe thir blood lots if it