You may be having prurigo simplex
There are itchy erythematous papular lesions on extremities.
It may be caused by some irritants or allergens..cosmetics,sun screen,dust, insects,pollens,fume,deodarant,soap..etc
Avoid soap during bath, you can use dettol
Avoid stress and worrie,which can exacerbate the disease.
Antihistaminics like levocetirizine
might improve the disease.
Antibiotics may be taken,if there is infection.Steroids
in tappering dose may be taken ,if it is severe.
Application of mild steroids might help in curing the disease.
I hope you got my answer.
Dr. Ilyas Patel MD