Testicular and other pains

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My left testicle hurt for 1-2 days, then the right, then felt like the spermatic cords kind of hurted too, now sometimes it feels like my right epidylmis (wrong spelling i think) has a dull ache now and then. Also when I walk it sometimes hurts in my inner thigh, groin area, and somewhere around or in my rectum somewhere.. man it moves around alot..it hurts for 10 secs or so then dissapears. what could this be?

possibly pulled a muscle? but i've got a question, a while ago, after i used to masterbate, right after release i would get sort of a dull ache in my bladder i think, any thoughts on what that might have been?