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Dr. Andrew Rynne
MD
Dr. Andrew Rynne

Family Physician

Exp 50 years

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Suggest remedy for poison oak rash on arms and thighs

About 10 days ago, I came in contact with some poison oak. There's some contact dermatitis on my arm and neck.

Three days ago, I discovered a lump in my groin. I assume it's an inflamed lymph node, as it's small and painful to the touch.

In the last two days, an itchy, red welt has appeared on my upper thigh. It started small (when I first noticed it, it was about 3 cm diameter), but has now spread to the size of the palm of my hand, and another patch has developed in the joint of my leg (same area as the inflamed lymph gland). There are some petechiae in the reddest part of the welt, which I assume is from my undisciplined scratching.

I've been treating the poison oak with triamcinolone acetonide cream and benadryl. When the welt first showed up, I applied the triamcinolone to it as well. I've stopped, as I'm wondering if it might be unrelated to the poison oak.

What is this rash? and what can I do to treat it, and keep it from spreading further?

Here are some images -
1. - Leg and groin rash - WWW.WWWW.WW 2. - Poison oak rash on arm
WWW.WWWW.WW
Mon, 27 Oct 2014
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General & Family Physician 's  Response
Sorry but I can not access the images you put up. You might try uploading them again. However, it sounds like area on your upper thigh (with associated enlarged lymph node) may be an infection. You should have a doctor check that as you may need antibiotics for treatment. Triamcinolone is fine for the poison oak rash just don't use it for longer than two weeks in one spot as it can cause skin thinning. Also do not use it on the face or groin areas. I hope all is well with you soon.
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Suggest remedy for poison oak rash on arms and thighs

Sorry but I can not access the images you put up. You might try uploading them again. However, it sounds like area on your upper thigh (with associated enlarged lymph node) may be an infection. You should have a doctor check that as you may need antibiotics for treatment. Triamcinolone is fine for the poison oak rash just don t use it for longer than two weeks in one spot as it can cause skin thinning. Also do not use it on the face or groin areas. I hope all is well with you soon.