Pyridoxine-induced photosensitivity and hypophosphatasia.

doi:10.1159/000051555

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Article

Pyridoxine-induced photosensitivity and hypophosphatasia.

Dermatology (Basel, Switzerland) - 1 Jan 2000

Kawada A, Kashima A, Shiraishi H, Gomi H, Matsuo I, Yasuda K, Sasaki G, Sato S, Orimo H

Abstract excerpt

We describe a case of photosensitivity due to pyridoxine hydrochloride (vitamin B(6)) in a heterozygote of hypophosphatasia. Photopatch tests using pyridoxine hydrochloride and pyridoxal 5'-phosphate, compounds referred to as vitamin B(6), with ultraviolet light A irradiation were positive. Laboratory examination showed low serum alkaline phosphatase. Tissue-nonspecific alkaline phosphatase exon amplification...

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