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Minocycline-induced hyperpigmentation treated with a 755-nm Q-switched alexandrite laser
1Washington Institute of Dermatologic Laser Surgery, Washington, DC 20037, USA. talster@skinlaser.com
Background:
Cutaneous pigmentation associated with minocycline therapy is an unusual adverse effect for which few successful treatments have been described. The pigment changes may persist for years, despite cessation of therapy, and is often cosmetically disfiguring, causing significant embarrassment and psychological depression in those affected. Few safe and effective treatments have been described in the past; however, recent pigment-specific laser technology has shown promise in the treatment of this condition.
Objective:
The objective was to describe a series of patients with minocycline-induced hyperpigmentation who were successfully treated with a 755-nm Q-switched alexandrite laser.
Methods:
Six patients with minocycline-induced hyperpigmentation on the face or legs were treated with a Q-switched alexandrite laser on a bimonthly basis until pigmentation was eradicated.
Results:
Cutaneous pigmentation resolved completely in all patients in an average of four laser sessions. Side effects were limited to transient purpura and mild desquamation without scarring or dyspigmentation.
Conclusion:
Minocycline-induced cutaneous pigmentation can be effectively cleared without risk of adverse sequelae by Q-switched alexandrite (755-nm) laser irradiation.
