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Chloasma
Linea nigra
Hyperpigmentation in Addison's Disease
List of cutaneous conditions
DermNet colour/melasma[1]
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Multiparity
Linea Nigra
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Pregnancy
cervix, vagina, and vulva)
Goodell's sign (softening of the vaginal portion of the cervix)
Hegar's sign (softening of the uterus isthmus)
Pigmentation of the linea alba – linea … nigra, (darkening of the skin in a midline of the abdomen, caused by hyperpigmentation resulting from hormonal changes, usually appearing around the middle of pregnancy).[2]
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Polycythemia Vera
Ayerza Syndrome
Polycythemia vera is a rare chronic myeloproliferative disorder.
An increase in red cell mass is the primary feature of polycythemia vera (PV). Bone marrow analysis, however, shows a proliferation of all three myeloid lines: erythrocytes, granulocytes and platelets. The onset of polycythemia vera is often insidious.…[3]
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Myeloproliferative Disease
Ayerza Syndrome
Myeloproliferative diseases are a collective group of disorders characterized by the clonal proliferation of at least one hematopoietic cell lineage. The ensuing conditions are associated with severe complications.
Myeloproliferative diseases have similar clinical pictures and generally feature nonspecific symptoms such…[4]
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Altitude Sickness
Ayerza Syndrome
Altitude sickness is a self-limiting syndrome characterized by non-specific symptoms such as: Headache Dizziness Nausea Vomiting Loss of appetite Fatigue Insomnia Symptoms typically appear 6 to 12 hours after arrival at high altitudes. Complications associated with altitude exposure include: Profound hypoxemia…[5]
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Ingestion of Bismuth
Black Tongue
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Antibiotic
Black Tongue
Antibiotics (From ancient Greek αντιβιοτικά, antiviotika) also called antibacterials, are a type of antimicrobial drug used in the treatment and prevention of bacterial infections. They may either kill or inhibit the growth of bacteria. A limited number of antibiotics also possess antiprotozoal activity. Antibiotics are…[6]
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Morbid Obesity
Striae Distensae
Morbid obesity or clinically severe obesity is a condition characterized by body mass index (BMI) over 40 kg/m2, and involves serious health consequences. Morbid obesity is associated with a number of comorbidities that enhance the risk of mortality.
Weight problems with symptoms of associated complications are the…[7]
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Adrenal Cushing Syndrome
Striae Distensae