Chloasma
Chloasma
Chloasma (pronounced: klo-az-muh) is a skin condition characterized by the appearance of dark, irregular patches on the skin, typically on the face. It is also commonly referred to as Melasma or the "mask of pregnancy" as it often occurs in pregnant women.
Etymology
The term "Chloasma" is derived from the Greek word 'chloazein', which means 'to be green'. Despite its etymology, the patches caused by Chloasma are usually brown and not green.
Symptoms
The primary symptom of Chloasma is the appearance of dark, irregular, well-demarcated hyperpigmented patches on the skin. These patches are usually symmetrical and are most commonly found on the face, particularly on the cheeks, forehead, upper lip, and chin. However, they can also appear on other parts of the body that are exposed to the sun, such as the forearms and neck.
Causes
Chloasma is thought to be caused by an increase in the production of melanin, the pigment that gives color to our skin, hair, and eyes. This increase in melanin production can be triggered by various factors, including:
- Hormonal changes: This is why Chloasma is common in pregnant women and in those taking hormonal contraceptives or hormone replacement therapy.
- Sun exposure: Ultraviolet (UV) light from the sun can stimulate melanin production.
- Certain medications: Some drugs, including certain anti-seizure medications, can cause Chloasma.
Treatment
Treatment for Chloasma typically involves the use of topical skin-lightening agents, such as hydroquinone, tretinoin, corticosteroids, or a combination of these. In some cases, chemical peels, laser therapy, or dermabrasion may be recommended. It's also important for individuals with Chloasma to protect their skin from the sun, as sun exposure can worsen the condition.
Related Terms
External links
- Medical encyclopedia article on Chloasma
- Wikipedia's article - Chloasma
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