all over the body can be found in allergies, viral infection
, internal diseases like liver and <span style = 'background-color: #dae8f4'>kidney</span>
disorders, diabetes, iron deficiency anemia, irritation and
allergic reactions to chemicals,wool,soaps,cosmetics and
certain foods.You may take an antihistamine like Benadryl for relief in symptoms. Application of calamine lotion may provide a soothing effect.For mild-moderate symptoms a weak steroid may be used, whilst more severe cases require a higher-potency steroid.