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Dr Uzair
Dr Uzair, Doctor
Category: Medical
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Experience:  MBBS, FCPS (R) General Surgery. Years of experience in Emergency Medicine.
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What is the cause of an inner thigh rash?

Resolved Question:

Hello, I have this rash between my legs inner thighs and all around my genital area but its not on my genitals at all. What could this be?

Submitted: 6 years ago.
Category: Medical
Expert:  Dr Uzair replied 6 years ago.
Welcome to JustAnswer. I shall try my best to assist you while you are corresponding with me.

There are 2 or 3 differentials of such a rash.
Sweat rash can be a cause. Use talcum powder between your thighs on hot or humid days. Obese individuals are more inclined to develop rash due to increased friction along the folds of skin. Reducing weight can alleviate rash along with several other health benefits.

Wearing proper fitting undergarments can also stop this, (for males) when your boxers or other undergarments, or even pants and shorts dont fit right the stitching of the inside crotch seam rub and also cause rash.

Allergic rash, you can use an anti histamine for a couple of days both locally and orally and see if the rash goes away. Recommended anti histamines that do not sedate are Cetrizine or Loratidine twice daily dose for relief. Both are available over the counter in oral as well as topical forms.

Try to wear well fitted clothes rather than light fabrics when going on a walk or playing a sport.

Jock itch can cause inner thigh rash. The rash is caused by a fungus, T rubrum, which starts at the intersection of the groin and thigh usually on both sides. The rash can advance further down the thigh if not treated properly.
The rash can appear to be scaly with redness near the fold of the groin. Away from the groin it can be reddish-brown and less or not scaly at all.
OTC Treatments:

Wear loose fitting clothing made of cotton.
Do not sharing clothing, towels or washcloths.
Dry the groin completely after showering.
Use antifungal powders or sprays once a day.

--Hope this helps--

Best wishes.
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