Our expert says:
Hi Anonymous, thank you for the question and my apologies for the delay with my response.
Your best approach would be for your dad to consult a dermatologist (skin specialist) as soon as possible.
There are various reasons for the sudden onset of eczema and the commonest is due to some form of contact allergic reaction. If one can find the trigger causing the reaction to take place the eczema should disappear. Look for anything that was changed before the rash started such as a new shampoo, deodorant, fabric cleaner or softener, new food type, drink, ect. Literally anything that may be new just before the rash started.
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