Phototherapy
For people who suffer from a strong sun allergy, the use of a so-called phototherapy (also as light hardening) at the dermatologist can be useful. The doctor irradiates the skin with UV-B radiation for a short time every day for several weeks. The light therapy is carried out in strictly controlled doses, which are increased over time.This slowly accustoms the skin to the sun and reduces or completely prevents the allergic reaction.
Photochemotherapy
In the case of very severe allergies or extremely light-sensitive persons, the doctor can intensify the phototherapy by combining it with the administration of certain drugs that suppress the immune system. This relatively new approach to treatment is called photochemotherapy and is only used when none of the previously mentioned therapies have shown any effect.
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