Drug-induced pigmentation

Drug-induced pigmentation is a form of skin discoloration that occurs as a result of taking certain medications. This condition is generally harmless, but it can cause cosmetic concerns. The pigmentation can occur in various parts of the body, including the skin, nails, and mucous membranes.

Causes

Drug-induced pigmentation can be caused by a variety of medications. These include certain antibiotics, antimalarial drugs, antipsychotic drugs, chemotherapy drugs, and tricyclic antidepressants. The pigmentation occurs when these drugs cause an increase in the production of melanin, the pigment that gives color to the skin, hair, and eyes.

Symptoms

The main symptom of drug-induced pigmentation is a change in skin color. This can range from light brown to black, depending on the individual's skin tone and the type of drug causing the pigmentation. The discoloration can occur in patches or can affect large areas of the body. It can also affect the nails and mucous membranes, causing them to turn a darker color.

Diagnosis

Diagnosis of drug-induced pigmentation is usually based on a physical examination and a review of the patient's medical history, including any medications they are taking. In some cases, a skin biopsy may be performed to confirm the diagnosis.

Treatment

Treatment for drug-induced pigmentation involves discontinuing the medication causing the pigmentation, if possible. In some cases, the pigmentation may fade over time once the medication is stopped. However, in other cases, the pigmentation may be permanent.

Prevention

Prevention of drug-induced pigmentation involves being aware of the potential side effects of medications and discussing these with a healthcare provider before starting a new medication. Regular skin examinations can also help detect any changes in skin color early.

See also

• Melanin
• Skin discoloration
• Skin biopsy

Drug-induced pigmentation Resources
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