Light-sensitive dermatoses

Light-sensitive dermatoses are a group of inflammatory skin diseases, mostly of photodermatologic type, in which the skin becomes irritated and inflamed when exposed to sunlight. These diseases typically include such conditions as polymorphic light eruption, actinic prurigo, chronic actinic dermatitis, hydroa vacciniform, solar urticaria, and actinic reticuloid syndrome. Most cases of light-sensitive dermatoses occur in the spring and summer months when more hours of sunlight are available. However, in certain cases, these dermatoses can occur year-round if sufficient exposure to ultraviolet light is attained. Certain areas of the body are more susceptible to the effects of the sun's rays, and therefore more prone to development of light-sensitive dermatoses. These areas include the face, hands, forearms, and chest. The main symptom of these light-sensitive dermatoses is an itchy, red rash that appears following exposure to the sun's rays. In some cases, the rash may also be accompanied by irritation, burning, scaling, hives, or blistering. In more severe cases, the skin may become thickened and hyperpigmented. Severe cases of light-sensitive dermatoses can be quite painful and may require medical intervention. Depending on the specific condition, such treatment may include topical or systemic medications, photo therapy, or in the case of actinic reticuloid syndrome, immunosuppressive therapy. In addition, wearing protective clothing, applying sunscreen with a sun protection factor of at least 30, and limiting the amount of time spent in direct sunlight can help reduce the severity of symptoms and may prevent flare-ups. In general, light-sensitive dermatoses are treatable and the prognosis is generally good. With proper management, symptoms can be reduced, and, in some cases, even eliminated. It is important for patients with light-sensitive dermatoses to work closely with their healthcare provider to find the treatment that best suits their individual needs.