Talk to Gynecologist on Absent Periods With Soreness Pain And Heavyness In Breast

I missed my periods last month i gained weight i feel lazy and tired this month im feeling severe breast heavy ness pain and soreness with still absent periods And period cycle is mid of month i thought its just symptom but its exaggerating and heavyness and soreness is same from one week I have examined my breast there is no change its cyclic pain but it is bothering me with no periods plz prescribe me some medication for this