Drug-induced pigmentation
Drug-induced pigmentation
Drug-induced pigmentation is a form of hyperpigmentation that is caused by certain medications. It is a condition where the skin changes color due to the ingestion, injection, or topical application of a drug.
Pronunciation
Drug-induced pigmentation: /ˈdrʌɡ ɪnˈdjuːst ˌpɪɡmənˈteɪʃən/
Etymology
The term "drug-induced pigmentation" is derived from the English words "drug" (a substance used for medical treatment), "induced" (brought about or caused), and "pigmentation" (coloration of the skin).
Related Terms
- Hyperpigmentation: An overproduction of melanin, the pigment responsible for skin and hair color.
- Melanin: The pigment that gives human skin, hair, and eyes their color.
- Melasma: A common skin problem where brown to gray-brown patches appear on the face.
- Photosensitivity: An extreme sensitivity to ultraviolet (UV) rays from the sun and other light sources.
- Dermatology: The branch of medicine dealing with the skin, nails, hair and its diseases.
Causes
Drug-induced pigmentation can be caused by various types of medications, including antimalarial drugs, tetracyclines, amiodarone, phenothiazines, and chemotherapy drugs. These drugs can increase the production of melanin, leading to darker patches of skin.
Symptoms
Symptoms of drug-induced pigmentation can vary depending on the drug and the individual's reaction to it. Common symptoms include darkening of the skin, uneven skin tone, and discoloration of the nails or mucous membranes.
Treatment
Treatment for drug-induced pigmentation typically involves discontinuing the use of the offending drug, if possible. Other treatments may include the use of skin lightening creams, laser therapy, or chemical peels.
Prevention
Prevention strategies for drug-induced pigmentation may include avoiding certain medications known to cause this condition, using sunscreen to protect the skin from UV radiation, and regular check-ups with a dermatologist.
External links
- Medical encyclopedia article on Drug-induced pigmentation
- Wikipedia's article - Drug-induced pigmentation
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