Hidradenitis Suppurativa – Definition and Treatment

Definition of Hidradenitis Suppurativa Hidradenitis Suppurativa is a condition of chronic inflammation resulting from blockage of the hair follicles (follicular occlusion). The inflammation may involve the apocrine glands, sweat glands that secrete fluid into the hair follicles. The hair follicles then channel the sweat to the surface of the skin. When sebum or cellular debris plugs the apocrine gland’s opening, fluid […]

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Hyperhidrosis – Treatment, Symptoms and Causes

Definition of Hyperhidrosis Hyperhidrosis is Excessive sweating that results from abnormal functioning of the nerves or blood vessels that supply the eccrine sweat glands. Hyperhidrosis characteristically involves the hands (palms), feet (soles), and axillae (underarms), though can affect eccrine sweat glands anywhere in the body. The eccrine sweat glands produce most of the body’s sweat and play […]

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Acne – Definition, Treatment, Medication and Removal

Definition of Acne Acne is inflammation of the skin’s sebaceous structures, also called acne vulgaris, that results in eruptions on the skin surface commonly called pimples, whiteheads, and blackheads. Acne occurs when excessive sebum traps bacteria and skin cells, clogging the follicles. The clogged follicles provide an ideal incubator for the bacteria Propionibacterium acne, which is normally present on the […]

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Lichen Planus – Definition, Treatment and Symptoms

Definition of Lichen Planus Lichen Planus – a common condition affecting the skin that appears as small, shiny, reddish purple (violaceous) bumps that itch, sometimes intensely. The bumps grow together in a scalelike pattern that resembles tree lichen. Lichen planus nearly always occurs in adults. Symptoms and Diagnostic Path Lichen planus typically erupts on the inner surfaces of the […]

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Actinic Keratosis – Definition, Symptoms and Treatment

Definition of Actinic Keratosis Actinic Keratosis – Precancerous growths (lesions) on the skin, also called solar keratosis, that develop as a consequence of damage from overexposure to the sun. Actinic keratosis becomes more common with advancing age. Lesions are most common on the face, scalp, chest, hands, and arms though can develop anywhere on the body that […]

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Lichen Simplex Chronicus – Treatment and Symptoms

Definition of Lichen Simplex Chronicus Lichen Simplex Chronicus – a skin condition, sometimes called neurodermatitis, in which an itchy rash erupts in response to continued scratching of the skin. Over time, the involved areas develop hyperkeratosis, an overgrowth of keratinocytes that gives the areas a scaly, lichen like appearance (plaques). Lichen simplex chronicus sometimes develops in areas of […]

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Albinism – Types, Symptoms, Causes and Treatment

Definition of Albinism and Pigmentation Albinism is a genetic disorder in which the melanocytes do not produce, or produce reduced amounts of, melanin, the chemical that deposits pigment in cells of the skin, hair, and structures of the eye. Without melanin, the skin, eyes, and hair have little or no pigment and consequently lack color. People who have albinism […]

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Nevus – Congenital Nevus – Lesion on the Skin

Definition of Nevus Nevus is a discolored lesion on the skin. Nevi are very common and may take various shapes and colors. Most nevi contain primarily melanocytes and may differ in texture from the surrounding skin. A nevus may be smooth, distinguishable only by its color, or rough and segmented. Some nevi contain coarse hair. The most common form of […]

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Alopecia (hair loss) – Types, Causes, Symptoms and Treatment

Definition of Alopecia Alopecia is the clinical term for hair loss. There are numerous forms and causes of alopecia, which may be localized or widespread, temporary or permanent. Though alopecia is emotionally traumatic for many people, it does not affect health in any way though may reflect underlying health conditions. Common forms of alopecia include the following: Androgenic […]

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Paronychia Infection – Acute / Chronic – Information

Definition of Paronychia Paronychia is inflammation and infection of the skin that surrounds the nails. It commonly occurs in people who bite their fingernails or the skin around them or who have frequent cuts around their fingernails. Paronychia is common in children who suck their thumbs or fingers Paronychia of a toenail may accompany an ingrown toenail. Splinters, insect bites and stings, and other […]

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