Please help!!

so i have no idea whats going on. but i have something weird happening to my penis, my shaft is like having a dry flakiness for the past 5 days. for the past 2 going on 3 weeks, i have been having some slight discomfort on the lower left side of my penis glans. kinda like a bruise feeling. im so concerned because i received oral sex from someone now that im questioning about at the end of january, and i never had this issue before. can someone please explain whats happening

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