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Minocycline drug-induced pigmentation in Adult
Other Resources UpToDate PubMed

Minocycline drug-induced pigmentation in Adult

Contributors: Erik Domingues MD, Nikki Levin MD, Jeffrey D. Bernhard MD
Other Resources UpToDate PubMed


Drug-induced pigmentation caused by minocycline may affect the skin, mucosal surfaces, teeth, tongue, sclera, bone, heart, thyroid, and other locations. Minocycline is a tetracycline-derived antibiotic with various uses, most notably as a second-line treatment for acne vulgaris. Hyperpigmentation may follow ingestion of 100-200 mg/day for 1-3 years, and incidence rates vary from 2.4%-14.8%. However, some studies have demonstrated the development of hyperpigmentation following small doses and short courses of minocycline.

The incidence seems highest in patients with conditions such as atopic dermatitis, acne vulgaris, rheumatoid arthritis, pemphigoid, and pemphigus.

Four types of hyperpigmentation have been described: types I–IV. Each type varies in distribution and histology. (For type details, refer to Look For section.)

Pediatric Patient Considerations:
Children aged younger than 9 years should not be on medications from the tetracycline family of antibiotics.


T50.995A – Adverse effect of other drugs, medicaments and biological substances, initial encounter

110284009 – Drug-induced pigmentation

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Last Updated:02/19/2018
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Minocycline drug-induced pigmentation in Adult
A medical illustration showing key findings of Minocycline drug-induced pigmentation : Blue color, Brown color, Face, Hyperpigmented patch, Leg
Clinical image of Minocycline drug-induced pigmentation - imageId=340188. Click to open in gallery.  caption: 'A close-up of pinpoint dark gray and black macules.'
A close-up of pinpoint dark gray and black macules.
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