Dermatitis is redness, soreness, and swelling (inflammation) of the skin. Dermatitis that occurs around the anal opening is called perianal dermatitis. This condition can be passed from one person to another (contagious), depending on the cause.
CAUSES
Perianal dermatitis may be caused by a type of germ (bacteria) infection. Streptococci bacteria are the most common cause of this infection. These bacteria can be found in the throat where they can cause strep throat. These bacteria can also be found on the surface of the skin. The condition can also result from:
• Hemorrhoids.
• Irritation from stool remaining on the skin.
• Irritation from sweat.
• Skin conditions such as psoriasis.
• Medical conditions such