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Causes and risk factors of melasma


Causes and risk factors of melasma

Causes and risk factors of melasma

 

Causes and risk factors of melasma

 

Melasma is a common skin problem. The condition causes dark, discolored patches on your skin.

Symptoms of melasma

Melasma causes patches of discoloration. The patches are darker than your usual skin color. It typically occurs on the face and is symmetrical, with matching marks on both sides of the face. Other areas of your body that are often exposed to sun can also develop melasma.

Brownish colored patches usually appear on the:

  • cheeks
  • forehead
  • bridge of the nose
  • chin

It can also occur on the neck and forearms. The skin discoloration doesn’t do any physical harm, but you may feel self-conscious about the way it looks.

If you notice these symptoms of melasma, see your healthcare professional. They might refer you to a dermatologist, a doctor who specializes in treating skin disorders.

Causes and risk factors of melasma

It isn’t totally clear what causes melasma. Darker-skinned individuals are more at risk than those with fair skin. Estrogen and progesterone sensitivity are also associated with the condition. This means birth control pills, pregnancy, and hormone therapy can all trigger melasma. Stress and thyroid disease are also thought to be causes of melasma.

Additionally, sun exposure can cause melasma because ultraviolet rays affect the cells that control pigment (melanocytes).