SKIN RASH

For the last four days I have this weird skin rash right near butt crack. I noticed it right after my period. Before period I took a yeast infection treatment. This rash I noticed it randomly, its red, feels like one bump, almost like a cut. Burns if I touch or press. itches when it rubs. it feels may be like it’s a heat rash? Maybe it’s from the pads that I wore when I was on my period? it doesn’t feels like an irritation but I’m not sure because it’s weird I’ve never had this in my life. I am married and have been with the same person for two years so no random partners. what could it be? ****

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