My anus itches really bad I don't know why, I have had Anal sex is that why?

Possible causes. I agree a rectal exam with your doctor will be necessary to properly diagnose and treat the cause of your itching.Causes of this can be eczema, yeast infections,hemorrhoids,improper cleansing of the area after bowel movements,a bacterial infection, sexually transmitted diseases,and yes, possibly irritation secondary to anal sex.See your doctor, best of luck!

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White bump above anus itches and bleed sometimes when I wipe what could it be no anal sex no pain anywhere no trouble using bathroom?

Exam needed. This could be a hemorrhoid, skin tag, cyst or even a growth. It's best to be examined by your physician or a proctologist for diagnosis,advice and treatment especially since this lesion bleeds so easily. Read more...