| MODERN LITERATURE: Synonyms- Chloasma (3)/ Mask of pregnancy (2) The term “Melasma†is derived from the Greek word “Melas†meaning black, pointing to the color of the clinical lesions.(25) It is an acquired, chronic, recurrent symmetrical hyperpigmentation of the skin, usually involving the malar regions, nose, sides of face, forehead and chin. (4) Women (particularly Hispanic Or Indian) are more commonly affected than men.(1) Epidemiology: (3) Prevalence: Common problem. Gender: Females more frequently affected. Age: Incidence 30 to 50 years. Its incidence in pregnancy varies from 15 to 50% or more.(4) Aetiology: Melasma is a multifactorial disorder.(25) The exact etio-pathogenesis is unknown, but there is a clear etiologic link to female hormone. (1 1) It usually develops in association with:(4) Oral contraceptives, Pregnancy, Cosmetics, Photo toxic drugs, Exposure to intense UV radiation’s.(4) May be associated with endocrinological conditions such as thyroid disease. (24) Morphology: A grouped, well-defined, 2-5 mm, light to dark brown macules tend to coalesce in the center resulting in bigger brown patches. Macules remain more or less discrete at the periphery which becomes irregular in outline. Pigmentation darker on sun exposure. (3) Skin findings: Symmetric brown patches, occurring on the forehead, cheeks, upper lip, and chin.(2) Pattern of distribution: There are several distinct patterns including : (24) • Centrofacial – located on the cheeks, nose, forehead and upper lip (excluding the philtrum) and is present in approximately 50-80% of cases. • Malar – located over the nose and malar cheeks • Mandibular pattern – located over the mandible and chin • Extrafacial – This pattern is variable, but is predominantly located on the upper extremities, often on sun-exposed sites. Differential Diagnosis: (24) · Acanthosis nigricans · Acquired dermal macular hyperpigmentation · Actinic lichen planus · Discoid lupus erythematosus · Ephelides (freckles) · Frictional melanosis · Hori’s macules · Naevus of Ota · Ochronosis (exogenous) from hydroquinone use · Poikiloderma of Civatte · Post-inflammatory hyperpigmentation · Solar lentigines MANAGEMENT: In conventional system of medicine there are potent drugs are easily available such as sunscreen creams/lotions, hypopigmentary drugs such as hydroquinone, kojic acid, azelaic acid, ascorbic acid chemical peels, triple therapy combination, tranexamic acid and laser therapy. These drugs produces various side effects such as skin irritation, rashes, allergy, transient hypochromia, leukoderma, permanent darkening of skin and blue-black pigmentation on the treated area.(3) (24) Unani principle of treatment includes: (16) Usool-e-ilaj: Evacuation of morbid matter/ black bile. Tasfiya jild through jaali advia (detergent drugs).(16) (19) Ilaj bi’l dawa (Pharmacotherapy) : Local application of various drugs having anti-inflammatory,(12) cleansing & detergent(7) (19)properties • Paste of Sufoof-e-majeeth along with rose water. (22) (26) Ilaj bi’l-Tadbir (Regimenal therapy): · Fasd, · Steam, · Inkebab, · Zimad & Tila. Dietary restrictions: • Muwallid-i-sawda aghzia (black bile producing diets).(16) (20) • Prolong use of eggs to be avoided. (16) • Highly proteinaceous and spicy diets to be avoided. (20) Tahaffuz (Prevention/ Precaution): • Advia hirrifa (spicy drugs) to be avoided. (16) • Avoiding sun at its peak. (1) (3) |