Leitlinie phototoxische und photoallergische Reaktionen

Photoallergy

Many--topically applied or systemically administered--substances may trigger photoallergic skin reactions following exposure to ultraviolet (UV) radiation. While most cases represent photoallergic contact dermatitis due to topically applied agents, systemically triggered photoallergy is considerably less common. The photopatch test--a UV-exposed variant of the conventional patch test--is the mainstay in the diagnosis of photoallergic or phototoxic reactions.

Nichthereditäre Photodermatosen im Kindesalter

Non-hereditary photodermatoses with well-known trigger factors and idiopathic light eruptions occur quite frequently during childhood and are at least temporarily associated with a marked impairment of quality of life in affected patients and their parents. Thus, it is crucial that the involved specialties are familiar with acquired UV-associated disorders in order to guarantee a quick diagnosis and effective therapy. Additionally, the recurrence of photodermatoses associated with potentially severe long-term complications has to be prevented. This requires a stringent prophylaxis that can only succeed after age-adapted instruction of the patient and parents.