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Dr. Andrew Rynne
Dr. Andrew Rynne

Family Physician

Exp 50 years

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What causes diarrhea and itching in anus/arms/chest/back?

2 weeks ago I had a minor skin rash for no reason. 2 days later, my anus started itching very, very bad during the day and night. For a whole week it itched and I decided to take an OTC med for pinworms. It rid the itch for a day and then 2 days after I took the pinworm medication, I had a very bad rash on my arms, chest, and back. I have been having diarrhea and my appetite is minimal. I went to the doctor and had an injection of Kenalog and I am now taking prednisone (the doctors think its an allergic reaction). My anus is back to being somewhat itchy at night, now including my feet and the back of my knees. My appetite is back, kind of. And I haven't pooped a normal amount for about a week and a half. It doesn't seem like the medication is working! I have no clue what's wrong with me!
Thu, 2 Nov 2017
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For pin worm infection your doctor may be advised anti-helmenthic for that you developed allergic reactions. So he advised steroid.

Anal itching occurs more often in men, and, most of the time, no cause can be identified.
Many causes for anal itching :

When a cause can be found, the itching is usually due to irritation of the skin around the anus.

Some of the most common irritants include the following:

Perfumes, chemicals, or dye on toilet paper can cause an allergic reaction.
Moisture from sweat or diarrhea may cause itching. If the anal skin stays wet, the skin begins to break down.
Some foods irritate the anus when they are expelled during a bowel movement.

Please avoid
dairy products, and, spicy food.
Infections such as pinworms, yeast, and genital warts can cause itching.

Hemorrhoids, which cause painful swelling of blood vessels in the anal area, can cause itching.
Cancer, in rare instances, may be a cause of anal itching.

Tab. Levocegrizine twice a day you can use.

Please consult your doctor he will advice correct to you.
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