derm glossary

A resource of all the terms you ever needed or wanted to know

Psoriasis

Skin cells proliferate excessively quickly as a result of the chronic autoimmune disease psoriasis, resulting in thick, scaly areas of skin. Although the precise etiology of psoriasis is uncertain, it is believed to be linked to genetic issues and immune system problems. Although psoriasis can develop anywhere on the body, the scalp, elbows, knees, and lower back are the most often affected areas. The areas may be painful or uncomfortable, and the affected skin may be red, itchy, and scaly. A combination of topical, oral, and injectable drugs is frequently used to treat psoriasis in order to reduce inflammation, inhibit the proliferation of skin cells, and relieve symptoms like itching and scaling. Corticosteroids, calcipotriene, tazarotene, or coal tar are examples...

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Poison Ivy or Poison Oak

Several persons who come into touch with the oil produced by poison ivy and poison oak, known as urushiol, may experience an allergic reaction. An itchy, red rash that may seem like little bumps or blisters can develop when the oil comes into contact with the skin. Avoiding contact with the plants is the most effective strategy to avoid getting poison ivy or an oak rash. It's crucial to wash the afflicted area thoroughly with soap and water as soon as you can if you do come into touch with the plants. You can also use an over-the-counter cleanser like Tecnu that is made specifically to eliminate urushiol. Using topical or oral drugs to treat poison ivy or poison oak...

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Pityriasis Rosea

The chest, back, and abdomen are the primary sites for the rash that characterizes the widespread, self-limiting skin illness pityriasis rosea. Pityriasis rosea's exact origin is unknown, however it is assumed that a viral infection, such as human herpesvirus 6 or 7, is to blame. The herald patch, which is a single, bigger patch of scaly, pink or red skin that typically precedes multiple smaller patches that appear in a distinctive "Christmas tree" pattern, is the typical initial appearance of the rash caused by pityriasis rosea. Normal symptoms of the rash include mild to moderate itching. Pityriasis rosea typically resolves on its own within a few weeks to a few months and is a self-limited illness. However, in order to...

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Pigmentation

Pigmentation refers to the color of the skin, which is determined by the amount of melanin present in the skin cells. Melanin is a pigment that is responsible for giving the skin its color and helps to protect the skin from the harmful effects of the sun's ultraviolet rays. Changes in pigmentation can be caused by a variety of factors, including sun exposure, hormonal changes, medications, and certain medical conditions. The most common types of pigmentation changes include hyperpigmentation (excess pigmentation) and hypopigmentation (reduced pigmentation). Hyperpigmentation can be caused by a variety of factors, including sun exposure, hormonal changes, inflammation, and injury to the skin. Treatment options for hyperpigmentation may include topical bleaching agents, such as hydroquinone, as well as...

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Peeling Skin

Peeling skin is a condition where the skin's top layer starts to flake off in large or little pieces. Sunburn, dry skin, certain medical disorders, exposure to harsh chemicals, and other irritants are just a few of the causes. Topical moisturizers or emollients are possible treatments for peeling skin because they can calm and hydrate the skin. Topical or oral corticosteroids may be recommended in some circumstances to assist in reducing inflammation and encouraging recovery. In the setting of severe sunburn, ibuprofen or acetaminophen, both of which are available over-the-counter, can assist in managing discomfort. Avoid scraping or pulling at skin that is peeling; doing so increases the risk of infection and slows healing. In order to soothe and hydrate...

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Patchy Hair Loss (Alopecia Areata)

Alopecia areata, a form of autoimmune illness that causes patchy hair loss, is brought on by the body's immune system attacking the hair follicles. It can happen on any part of the body with hair, although the scalp, eyebrows, and beard are the most frequently affected areas. Although the precise etiology of alopecia areata is unknown, it is believed to be a result of a combination of hereditary and environmental factors. It could also be connected to autoimmune diseases like Hashimoto’s thyroiditis or vitiligo. Topical or injectable corticosteroids, which can help to lessen inflammation and encourage hair regeneration, are possible treatment choices for alopecia areata. Among the alternatives is topical immunotherapy, which is applying a substance to the afflicted area...

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Nail Infection (Paronychia)

An infection of the skin around the nail called paronychia can be brought on by bacteria, yeast, or fungus. Around the damaged nail, there will typically be redness, swelling, and pain. Pus or discharge may also be present. Injuries or trauma to the nail, exposure to harsh chemicals or detergents, chewing or picking at the nails or cuticles, and some medical problems, such as diabetes or eczema, can all contribute to paronychia. Warm water soaks to assist reduce inflammation and topical or oral medications to help fight off the infection are possible treatments for paronychia. Antifungal or antifungal drugs may be recommended if a yeast or fungal organism is the cause of the infection. To stop paronychia from coming back,...

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Palmoplantar Psoriasis

The palms of the hands and the soles of the feet can get infected with palmoplantar psoriasis, a chronic skin condition. It is a type of psoriasis, an inflammatory disorder that presents as red, scaly, and frequently itchy patches throughout the body. Although the precise origin of palmoplantar psoriasis is unknown, it is believed to be a result of genetic, environmental, and immune system abnormalities. Numerous factors, including as stress, infections, skin injuries, tobacco, alcohol, and certain drugs, can trigger the disease. Topical drugs such corticosteroids, non-steroidal anti-inflammatory creams, and vitamin D analogues, which can help to reduce inflammation and improve symptoms, may be used to treat palmoplantar psoriasis. In many instances, systemic drugs like biologics or phototherapy (exposure to...

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Neurodermatitis

Neurodermatitis is a condition that starts with a patch of itchy skin. When the area is scratched often, over time it can develop into thick, scaly areas of skin that are frequently accompanied by excruciating itching. Although it can happen everywhere on the body, the scalp, ankles, and back of the neck are the most frequently affected areas. Although the precise etiology of neurodermatitis is unknown, it is believed to be a result of a confluence of genetic, environmental, and psychological factors. The disease is frequently brought on by frequent scratching or rubbing of the affected area, which can cause further discomfort and inflammation. Topical drugs including corticosteroids and calcineurin inhibitors, which can help to reduce inflammation and relieve itching,...

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Molluscum Contagiosum

Molluscum contagiosum is a common viral skin conditions caused by the Molluscum contagiosum poxvirus. It presents as small, raised, dome-shaped bumps that might be pink, white, or skin-colored, and often with a central “core” or umbilication. It can show up as one bump or as multiple  bumps scattered throughout the body. Direct skin-to-skin contact with an infected person or the sharing of personal things like towels or clothing are the two main ways that molluscum contagiosum is transmitted. Although anyone can be affected by the illness, children are more frequently affected than adults. Topical or oral antiviral drugs, cryotherapy (freezing the lesions with liquid nitrogen), curettage (scraping the lesions off), cantharidin treatment, and laser therapy are all possible treatments for...

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Melasma / Chloasma

Melasma and chloasma are two terms used to describe a common skin condition characterized by the development of dark patches or irregular pigmentation on the face. Melasma is typically used to describe the condition when it occurs in non-pregnant women, while chloasma is used to describe the condition when it occurs in pregnant women. The exact cause of melasma and chloasma is not well understood, but it is thought to be related to hormonal changes, sun exposure, and genetics. The condition is more common in women, particularly those who are pregnant or taking oral contraceptives, and in people with darker skin types. Treatment options for melasma and chloasma include topical treatments, such as hydroquinone, tretinoin, and azelaic acid, which can...

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Marionette Lines

The creases or lines that run from the corners of the mouth down to the chin and give the appearance of a downward turn of the mouth are called marionette lines, also known as oral commissure lines. They can also be brought on by smoking, sun damage, and other environmental causes. They are a normal indicator of aging. Marionette lines develop as a result of the skin losing collagen and elastin, which can make the skin drier, less elastic, and more prone to wrinkles. A frown or a downward dip of the mouth may emerge as the skin droops and loses volume. Dermal fillers, which can be injected into the afflicted area to help plump up the skin and decrease...

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Jock Itch

Jock itch, also known as tinea cruris, is a common fungal infection of the skin that affects the groin area, inner thighs, and buttocks. It is most commonly seen in men, but can also occur in women. Jock itch is caused by a type of fungus called dermatophytes, which thrive in warm, moist environments. It is commonly spread through close contact with an infected person, or through contact with contaminated clothing, towels, or surfaces. Symptoms of jock itch typically include redness, itching, and a rash that may be scaly, bumpy, or have a ring-like appearance. In some cases, the affected area may become swollen or develop blisters. Treatment for jock itch typically involves antifungal medications to eliminate the underlying fungal...

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Itching

Itching, or pruritus, is a typical symptom of numerous skin conditions and can be brought on by a number of things, including dry skin, allergies, insect bites, neuropathy, or underlying medical conditions. Aside from varying in intensity, itching can also be accompanied by other symptoms including redness, swelling, and a rash. In order to effectively treat itching, the condition's underlying cause must be found and addressed in addition to the itching's symptoms. Treatment choices could be: Drugs used topically: Itching and irritation can be relieved with over-the-counter or prescription-strength creams or ointments containing cortisone, antihistamines, pramoxine, or calamine. Oral medications: Oral corticosteroids or antihistamines may be administered to treat allergic responses or severe itching. Cool compresses: By applying a cool...

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Intertrigo

In regions where the skin folds, such as the armpits, groin, and under the breasts, intertrigo is a frequent skin ailment. It is characterized by skin that is red, inflamed, and occasionally itchy or unpleasant. Oozing or crusting may also be present in severe cases. Intertrigo is frequently brought on by the buildup of moisture and friction in these skin folds, which can foster the development of bacteria and fungi and result in illness. People with diabetes or excess body weight, as well as those who sweat a lot or wear tight clothing, are more likely to develop the ailment. Intertrigo is often treated by addressing its underlying cause, as well as by lowering inflammation and avoiding infection. Treatment choices...

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Impetigo

Impetigo is a common skin infection caused by bacteria, typically Staphylococcus aureus or Streptococcus pyogenes. It is highly contagious and can easily spread through close contact with an infected person or their belongings. Impetigo is characterized by the development of red, oozing sores or blisters on the skin, which may be itchy or painful. The sores may eventually form a yellow-brown crust, which can easily spread to other areas of the skin. Treatment for impetigo typically involves topical or oral antibiotics to help eliminate the bacteria causing the infection. Topical antibiotics may be prescribed for milder cases of impetigo, while more severe cases may require oral antibiotics. In addition, it is important to practice good hygiene, such as washing the...

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Hypopigmentation

Hypopigmentation is a skin disorder that causes regions of the skin to lose or have less pigment, giving those areas of the skin a paler or whiter look. Any skin type or ethnicity can develop hypopigmentation, which can be brought on by a number of illnesses and treatments, including genetic disorders, burns, trauma, and autoimmune disorders. In order to effectively treat hypopigmentation, the condition's underlying cause must be addressed as well as the appearance of the skin's affected regions. Treatment choices could be: Creams and lotions: To encourage the formation of melanin and restore pigment to the skin, prescription-strength lotions or gels may be used. These products may contain components like corticosteroids or calcineurin inhibitors. Light therapy: The synthesis of...

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Hyperpigmentation

A frequent skin ailment known as hyperpigmentation is characterized by the darkening of specific skin regions. Melanin, the pigment responsible for skin color, is often overproduced when hyperpigmentation occurs. Any skin type or ethnicity can develop hyperpigmentation, which can be brought on by a number of things like sun exposure, hormonal fluctuations, genetics, certain medical problems, or drugs. In order to effectively treat hyperpigmentation, the condition's underlying cause must be addressed as well as the look of the skin's darkened patches. Treatment choices could be: Topical medications: To assist lessen the look of hyperpigmented skin, prescription-strength creams or gels containing chemicals like hydroquinone, azelaic acid, or retinoids may be used. Chemical peels: The skin's outer layer is removed using a...

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Hives (Urticaria)

Hives, also known as urticaria, are a common skin condition characterized by the sudden appearance of itchy, raised welts on the skin that may be red or white in color. Hives can occur anywhere on the body and may range in size and shape. Hives can be caused by a variety of factors, including allergic reactions to foods, medications, or other substances, infections, stress, or underlying medical conditions. Treatment for hives typically involves identifying and addressing the underlying cause, as well as relieving the symptoms of the condition. Treatment options may include: Antihistamines: Over-the-counter or prescription-strength antihistamine medications, such as diphenhydramine or loratadine, may be used to help relieve itching and reduce the severity of hives. Corticosteroids: In more severe...

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Hirsutism / Excessive Hair Growth

Women who have hirsutism experience excessive hair development in places on their bodies where it is unusual to see hair, such as the face, chest, and back. The primary cause of this excessive hair growth is typically an increase in androgen (male hormone) production, which can be brought on by a number of conditions, including polycystic ovarian syndrome (PCOS), tumors, drugs, or other hormonal imbalances. Both the excess hair growth and the underlying hormonal imbalance must be treated in order to successfully treat hirsutism. Treatment choices could be: Hormonal therapy: To assist in reducing androgen production and stop further hair growth, birth control pills or other drugs that regulate hormone levels may be administered. Anti-androgen medications: To assist in reducing...

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