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Fungal infection of the skin (mycosis, ringworm, tinea)
A fungal skin infection (mycosis, tinea) is a common skin condition caused by fungi or yeasts. These infections affect the outer layer of the skin and can take various forms, .......
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Localized scleroderma
What is morphea? Morphea (syn.: localized scleroderma) is a patchy, chronic inflammation of the dermis where the elastic connective tissue of the skin is affected. This causes the skin to .......
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Onychomycosis
Fungal Nail Infection
Onychomycosis, better known as nail fungus, is a common fungal infection that affects the nails. It causes discoloration, thickening, and brittleness of the nail. Without .......
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Sebaceous Hyperplasia
Sebaceous hyperplasia is a skin condition in which the sebaceous glands, which produce natural oils (sebum) to hydrate the skin, are enlarged. This can lead to the appearance of small, often yellow .......
read more Seborrheic Dermatitis
There are localized, moderately well-defined scaly red patches. The scales are somewhat oily and are coarser than those seen in psoriasis. The scaly patches usually occur between the eyebrows and on .......
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Seborrheic verruca
Seborrheic verruca, also known as age spots, are benign skin growths that often appear in middle-aged and older people. They resemble moles but are rougher and brownish in .......
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Seborrhoeic keratosis, also known as age spots, are benign skin growths that often appear in middle-aged and older people. They resemble moles but are rougher and brownish in color. Commonly found on .......
read more Senile Hematomas
Senile hematomas, also known as actinic purpura, are blue or purple bruises that occur on the skin of older adults, usually due to minimal trauma. This condition frequently appears on the forearms .......
read more Skin cancer
Skin cancer is a malignant growth of skin cells. It is becoming more common, especially as people have become less cautious about sun protection since the 1960s. The UV rays from the sun and tanning .......
read more Skin Fibroma
Skin fibromas are soft, small growths on the skin. They are usually not painful and benign. ....
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Spider Naevus
Spider Vein
A spider naevus (spider angioma, naevus araneus) is a common benign vascular lesion in the skin. Spider naevi are often seen in children and young adults. ....
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Strawberry-hemangioma
port-wine stain
A hemangioma is a benign red or purple tumor of blood vessels in the skin. It typically appears shortly after birth and grows rapidly through cell proliferation. Over time, it gradually becomes .......
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Striae
Stretch marks
Stretch marks (Striae) are elongated streaks or scars on the skin that develop due to rapid stretching of the skin. This often occurs during pregnancy, puberty, weight gain, or rapid muscle growth. .......
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Stucco keratoses are small, rough, skin-colored or whitish growths that typically appear on the ankles, feet, and lower legs. They are benign and pose no health risk but can sometimes be cosmetically .......
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Sun allergy
In polymorphic light eruption, itchy bumps, blisters, or excessive redness and swelling typically appear in early spring (with the first sun exposure) on sun-exposed areas such as the arms and face. .......
read more Sun and skin
Much has been said and written about sunlight and sunbathing, the use of tanning beds, and sunscreen products (also known as sunblock or sun lotion). This article addresses several frequently asked .......
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Sweaty feet
Sweaty feet (medical term: hyperhidrosis plantaris) is a condition where the feet sweat excessively, often accompanied by an unpleasant odor. This occurs because sweat glands .......
read more Syphilis (Lues)
Syphilis is a bacterial infection caused by the bacterium Treponema pallidum. It is primarily transmitted through sexual contact, including oral and anal sex, and can also be passed from mother to .......
read more Telogen Effluvium
Telogen effluvium is a temporary form of hair loss that occurs after stress, a shock to the system, or a traumatic event. It is characterized by an accelerated transition of hair follicles from the .......
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Tinea Captitis
Tinea Capitis is a fungal infection of the scalp. This condition is also known as scalp ringworm and primarily affects children. It is caused by a fungus that infects the skin and hair follicles, .......
read more Tinea Pedis
In the early stages of a fungal infection on the feet, there is often just one sharply defined, itchy spot on the sole, with blisters and flaking, which gradually enlarges. (In some cases, there can .......
read more Toxicodermia (drug eruption)
Toxicodermia refers to skin reactions that occur as a result of an allergic reaction to medications, chemicals, or other substances. This condition is also known as drug eruption and can range from .......
read more Traction Alopecia
Traction alopecia is a form of hair loss that occurs as a result of mechanical stress on the hair due to tight hairstyles that pull the hair tightly over time. This can lead to damage to the hair .......
read more Varices
Varicose veins
Varicose veins (varices) are common abnormalities of the veins, more frequently occurring in women than in men. They are one of the most common reasons people visit their doctor. However, only a .......
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Venous leg ulcer
A leg ulcer (ulcus cruris) is a chronic, poorly healing wound on the lower leg. It usually occurs due to circulatory problems, which prevent the skin and underlying tissue from receiving enough .......
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Verruca Vulgaris
Verruca Vulgaris, also known as a common wart, is a skin infection caused by the human papillomavirus (HPV). These warts typically appear on the hands, fingers, and around the nails, but can also .......
read more Verrucae plana
Verrucae plana, or flat warts, are small, flat, slightly raised warts that typically appear on the face, hands, and legs. They are caused by an infection with the human papillomavirus (HPV) and are .......
read more Viral Exanthem
Viral exanthem is a skin rash that often occurs in response to a viral infection. It can appear as red spots, bumps, or blisters across large areas of the body. This rash is usually a direct result .......
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Xanthelasmata
Yellow, raised, sharply defined spots, often somewhat elongated, located on the upper and lower eyelids. ....
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