Since when is he having this?What r other symptoms that he is experiencing?
By doing what like walking, exertion- itching
increases or decreases in intensity. For how much time it remains?
It can be because of dermatitis
or dryness or fungal infection
or psoaiasis etc. I need details of case n preferably pics of affected area. In the meanwhile follow this
moisturize frequently. Coconut oil
are good options.
Avoid sudden changes in temperature or humidity.
Avoid scratchy materials, such as wool directly in contact with skin.
Avoid harsh soaps, detergents, and solvents.
Be aware of any foods that may cause an outbreak and avoid those foods.
For this homeopathic treatment is very effective
for more details consult online.