Immediate and delayed photocontact dermatitis from isopropyl dibenzoylmethane.

Abstract

Immediate and delayed photocontact dermatitis from the UVA absorber isopropyl dibenzoylmethane is described in 1 patient. In a dose response study in a 2nd patient with delayed photocontact dermatitis, the minimal dose of UVA needed to elicit a positive photopatch to isopropyl dibenzoylmethane 2% was determined to be 2 J/cm2.

• Authors: G M Murphy, I R White, E Cronin
• Journal: Contact dermatitis (Contact Dermatitis) Vol. 22 Issue 3 Pg. 129-31 (Mar 1990) ISSN: 0105-1873 [Print] England
• PMID: 2335082 (Publication Type: Case Reports, Journal Article)

Chemical References

• Benzoates
• Chalcones
• Sunscreening Agents
• 4-isopropyldibenzoylmethane

Topics

• Adult
• Benzoates (administration & dosage, adverse effects)
• Chalcones
• Dermatitis, Contact (diagnosis, etiology)
• Dose-Response Relationship, Drug
• Female
• Humans
• Hypersensitivity, Immediate (chemically induced, diagnosis)
• Patch Tests
• Sunscreening Agents (adverse effects)