From the symptoms it can be eczema
or psoriasis. Eczema
is a form of chronic dermatitis (rash).Allergic reaction is one of the important causes of eczema. Allergic reaction can occur to strong soaps, Solvents, chemicals, certain foods, food additives, plants, metals, cosmetics, even urine and faeces of some animals (dust mites).
It is very difficult to precisely confirm a diagnosis without examination and investigations and the answer is based on the medical information provided.