Skin allergy

Patient: I am facing skin allergy from last 3 month, tried all medicine but not recovered.

Symptoms: types of allergy:-
bumps on skin – shoulder, forehead, head, neck, and leg.
appearance of the allergy is not unique in one place.
not itching but feel heat from the bumped skin.
i stopped oil content, sweet, salt….still also not cured
please suggest the remedy
thank you

Images:
Skin allergy-1

Doctor: