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Hyperpigmentation

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Definition: Excessive pigmentation of the skin, usually as a result of increased epidermal or dermal melanin pigmentation, hypermelanosis. Hyperpigmentation can be localized or generalized. The condition may arise from exposure to light, chemicals or other substances, or from a primary metabolic imbalance.  do not confuse with HYPOPIGMENTATION   
Examples Melanosis 		Other names Hypermelanoses; Hypermelanosis
 
SubstanceCAS Registry & nameCategoriesSource
Patterson pseudoleprechaunism syndrome  0   *Abnormalities, Multiple *Bone Diseases, Developmental *Hyperpigmentation.
Dermatopathia pigmentosa reticularis  0   *Alopecia *Nail Diseases *Skin Neoplasms *Hyperpigmentation.

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Sources: NLM Medical Subject Headings, NIH UMLS, Drugs@FDA, FDA AERS original data copyright United States Government. No endorsement implied. Last modified 6/6/2012
Warning: the drugs or drug combinations referred to here may be similar or related, but are not be the same ones and may not have the same pharmacological action as other substances described on the same page or in the same row. Please refer to product monograph or to your doctor
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