The clinical expression of the<unk>  can be mitigated by avoidance of the allergen. Through compliance with avoidance measures, the immune system can become less stimulated. The key to avoidance is proper evaluation and detection of the inciting allergen. However, once the immune system registers the allergen, the recognition is permanent. The first step in treating the condition is appropriate recognition of the clinical problem, followed by identification of the culprit chemical and the source of that chemical. Corticosteroid creams should be used carefully and according to the prescribed directions because when overused over longer periods of time they can<unk>  thinning of the skin. Also, in some instances such as poison ivy<unk>  calamine lotion and cool oatmeal baths may relieve itching. Usually, severe<unk> s are treated with systemic corticosteroids which may be tapered gradually, with various dosing schedules ranging from a total of 12 – 20 days to prevent the recurrence of the rash (while the chemical allergen is still in the skin, up to 3 weeks, as well as a topical corticosteroid. Tacrolimus ointment or pimecrolimus cream can also be used additionally to the corticosteroid creams or instead of these. Oral antihistamines such as diphenhydramine or hydroxyzine may also be used in more severe<unk> s to relieve the intense itching via sedation. Topical antihistamines are not advised as there might be a second skin reaction (treatment associated contact<unk>  from the lotion itself. The other symptoms<unk> d by allergic contact<unk>  may be eased with cool compresses to stop the itching. It is vital for treatment success that the trigger be identified and avoided. The discomfort<unk> d by the symptoms may be relieved by wearing smooth-textured cotton clothing to avoid frictional skin irritation or by avoiding soaps with perfumes and dyes. Commonly, the symptoms may resolve without treatment in 2 to 4 weeks but specific medication may hasten the healing as long as the trigger is avoided. Also, the condition might become chronic if the allergen is not detected and avoided. Identification of the allergen can be aided by the site of the<unk> . Allergic<unk>  of the hands is often due to contact with preservatives, fragrances, metals, rubber, or topical antibiotics.<unk>  at the front of the face is often due to gold (from jewelry and foundation), make-up, moisturizers, wrinkle creams, and topical medication. Along the eyelids as well as the sides of the head and neck,<unk>  is often<unk> d by shampoo and conditioner dripping down from the hair. Inflammation on one side of the face often suggests transfer of an allergen from the hands or from the face of a partner.
medical cause of Dermatitis
symptom of Psoriasis
symptom of Rosacea
medical cause of Dermatophytosis
symptom of Herpes labialis
symptom of Stevens–Johnson syndrome
symptom of Epidermolysis bullosa
medical cause of Stye