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Undecylenic acid, which has been suggested for use in the treatment of psoriasis, neurodermatitis and some forms of arthritis, is among the most recent drugs to be used internally in dermatology. It is interesting to report a generalized cutaneous eruption from the use of undecylenic acid, given in the form of an enteric-coated capsule for a case of psoriasis. The case reported here is apparently the first to be so reported.
REPORT OF A CASE
The patient, a 12 year old girl, was originally seen by me about thirteen months previous to the time of writing, when a diagnosis was made of guttate psoriasis, covering numerous areas of her body. This cleared up under local medication. The patient was seen again on May 20, 1949, because of a recurrence of psoriasis which had started about two months previously. Undecylenic acid, in the form of an enteric-coated capsule of 500 mg.,
REICHES AJ. GENERALIZED ERUPTION FROM UNDECYLENIC ACID. AMA Arch Derm Syphilol. 1950;62(5):705. doi:10.1001/archderm.1950.01530180094022
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