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Hi Everyone,

I have a client who only attends my clinic in the hotter months with inflammed hyperkeratosis on the soles of his feet. I have questioned him about it and the hyperkeratosis seems to develop in response to him wearing his summer sandles and thongs (flip flops for the American Pods). The hyperkeratosis develops quickly and is on any area that the plantar surface of his foot is in contact with the summer shoes. Areas of his foot that have limited weightbearing. The hyperkeratosis is scaley and inflammed similar to the hyperseratosis you see with psoriasis.

He has an allergy to black fabric die and is unable to wear black socks as they cause a rash.

My diagnosis was a contact allergy to the chromates in his footwear. I was wonderng if anyone has seen this type of hyperkeratotic footwear allergy before?

There is probably already a thread on this topic but when ever I search the arena I only seem to get results relating to bare foot running and rates of pay around the world.

Julie

 

l doubt it is chromite, as if it were chromite in the upper would be causing the same problem.

You might consider the allergy to be Latex related ?

Not many shoes have thick latex inlays and you wear socks with shoes, a bit of a barrier.

Most mens sandals have a thick latex inlay and most of us dont wear socks with sandals

To test the theory get a small piece of latex and ask the client to wear it against his belly, he will soon know.

Simple answer would be putting a layer of another material on his sandal
insole, test it and the adhesive for reaction first.

We do this sort of test for clients that have a history of allergies with all materials before we make their shoe.

 

Hi Julie
Get him to change his sandals.
Contact dermatitis?
Is it Tinea?

Jaynes

 

Hi Jaynes, It is definately not TP. I am going to try a patch test with Latex to see if that is the problem.

Julie