H02.712

Clinical Causes: Excessive exposure to sunlight or ultraviolet (UV) radiation, which stimulates melanin production. Hormonal changes, especially during pregnancy, use of oral contraceptives, or hormone replacement therapy. Genetic predisposition inherited from family members. Certain skincare products or medications that may increase photosensitivity. Skin inflammation or irritation in the periocular area can sometimes contribute.

Key Symptoms: Development of irregularly shaped, symmetrical brown or gray-brown patches on the skin. Painless and often asymptomatic, with no associated itching or pain. Patches typically appear on sun-exposed areas such as the cheeks, forehead, upper lip, and around the eyes. The pigmentation may become more noticeable with sun exposure and fade in less sunny seasons or with treatment.

Diagnosis Path: Diagnosis of chloasma primarily involves a clinical examination of the affected skin area. Healthcare providers will review medical history, including hormone use and sun exposure habits. Sometimes, doctors may use a Wood’s lamp to better visualize pigmentation depth or perform skin biopsies to confirm the diagnosis and rule out other conditions. Since chloasma shares features with other skin pigmentation disorders, accurate assessment ensures appropriate management.

Treatment Protocols: While there is no definitive cure for chloasma, several approaches can help improve its appearance and prevent worsening: - **Sun Protection:** Regular use of broad-spectrum sunscreens with high SPF, wearing wide-brimmed hats, and avoiding peak sun hours. - **Topical Agents:** Application of skin-lightening creams containing ingredients like hydroquinone, azelaic acid, kojic acid, or corticosteroids, often under medical supervision. - **Procedural Treatments:** Laser therapy, chemical peels, or microdermabrasion, which may be considered for persistent cases, should be performed by qualified professionals. - **Hormonal Management:** Adjusting or discontinuing hormonal therapies if they are contributing factors. - **Lifestyle Changes:** Maintaining a consistent skincare routine and avoiding sun exposure triggers.