Psoriasis

Overview

Psoriasis is a chronic skin condition characterized by the rapid overproduction of skin cells, resulting in the development of thick, red, and scaly patches on the skin. These patches, known as plaques, can be itchy, painful, and can occur anywhere on the body. Psoriasis is believed to be an autoimmune condition, meaning that the immune system mistakenly attacks healthy skin cells, causing the excessive cell growth.

Symptoms

The symptoms of psoriasis may vary from person to person, but common signs and symptoms include:

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Prurigo Nodularis

Overview

Prurigo nodularis is a skin condition characterized by the development of itchy, hard bumps or nodules on the skin. These nodules are often accompanied by intense itching, leading to frequent scratching and potential skin damage. Prurigo nodularis can occur anywhere on the body and may persist for a long time. The exact cause of this condition is unknown, but it is often associated with underlying skin conditions, such as eczema, dermatitis, or chronic kidney disease.

Symptoms

The common symptoms of prurigo nodularis include:

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Poison Ivy, Oak, and Sumac

Overview

Poison ivy, oak, and sumac are plants that contain an oil called urushiol, which can cause an allergic reaction on the skin. When a person comes into contact with these plants, the urushiol oil can cause a red, itchy rash known as contact dermatitis. The rash typically appears as bumps, blisters, and redness and can be very uncomfortable. It is important to avoid contact with these plants to prevent an allergic reaction.

Symptoms

The symptoms of poison ivy, oak, and sumac rash may include:

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Pityriasis Rosea

Overview

Pityriasis rosea is a common skin condition characterized by the development of oval-shaped, pink or red rashes on the body. It often starts with a larger “herald patch” and is followed by the appearance of smaller patches in a “Christmas tree” pattern on the back, chest, arms, and legs. The exact cause of pityriasis rosea is not known, but it is believed to be associated with a viral infection. Most cases of pityriasis rosea resolve on their own within a few weeks to months without any specific treatment.

Symptoms

The common symptoms of pityriasis rosea include:

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Perioral Dermatitis

Overview

Perioral dermatitis is a common skin condition that primarily affects the area around the mouth (perioral) but can also involve the nose and eyes. It is characterized by the presence of small red bumps, papules, or pustules that may be accompanied by mild itching or burning. The exact cause of perioral dermatitis is unknown, but factors such as hormonal changes, certain skincare products, or bacterial overgrowth may contribute to its development. Prompt diagnosis and appropriate treatment can help manage symptoms and prevent flare-ups.

Symptoms

The typical symptoms of perioral dermatitis include:

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