bloody urine

Hello world, today i started seeing blood in my urine. my period ended last week january 30 and this has never happened before. it’s extremely painful when peeing to the point where i cry. it burns like hell and i thought it was because i think its been 2-3 days without drinking water (honestly i forget) and decided to drink 5 water bottles and pee every 5 minutes to see if it got better but no. on the contrary there’s more blood now and more pain. please help, there’s so many things this could be