HELP MY ASSHOLE FEELA LIKE A VOLCANO

So I’m assuming you kkow from the title how I feel. I’m on my period and have liquid shit literally like anything I eat turns into liquid shit and it burns like hell hurts really bad. This has never happened before and I don’t know why it’s happing now. Anyone else experience this painful hell and have any tips to make it better or mabey make my shit solid instead of liquid it would be much appreciated thank you