Is Recurring Bitter Taste During Periods Normal And Can MFT Spas Be Taken Regularly?

When my periods is about to start my mouth is bitter And less pain is start occuring in my abdomen and my feet And when i m on my periods their is high pain in m abdomen and my feet is so paining and cramping Someone has hold me mft spas tablet that i take Is it better to take or any problem in taking Because i take this pill on my every period Or is it any advice to remove this pain Because i m to frustrated from this pain I can t do daily activities like college