Skin diseases P – R - Dermatology2Go

Palmoplantar Keratosis (PPK)

Palmoplantar keratosis (PPK) is a skin condition characterized by thickening of the skin on the palms and soles. It occurs due to excessive production of keratin, a protein that protects the skin. .......

Parapemphigus

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Parapsoriasis

Chronic Superficial Scaly Dermatitis

Parapsoriasis is a rare skin disease that usually manifests as spots or patches on the skin that resemble psoriasis but are less intense. It is characterized by patches that can sometimes be scaly or .......

Pearly Penile Papules

Pearly Penile Papules (PPP) are small, skin-colored to white, pearl-like bumps that appear in one or more rows around the edge of the glans. They are completely benign, non-contagious, and commonly .......

Pemphigus

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Pemphigus Vulgaris

Pemphigus vulgaris is a rare autoimmune disease that causes blisters on the skin and mucous membranes. The immune system, which normally protects the body from disease, accidentally attacks healthy .......

Peri-anal Thrombosis

Peri-anal thrombosis, also known as a thrombosed hemorrhoid, is a sudden swelling near the anus caused by a blood clot in an external blood vessel. This results in a hard, bluish or purple lump that .......

Perianal Eczema

Perianal eczema is a skin condition that occurs around the anus. It causes itching, redness, and sometimes a burning sensation or discharge. This condition affects both adults .......

Perioral Dermatitis

Perioral dermatitis is an inflammatory skin reaction that primarily occurs around the mouth and sometimes the eyes. It is characterized by red, scaly spots and sometimes small blisters or pimples. .......

Perioral Dermatitis

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Perleche (Angular Cheilitis)

Perlèche, also known as angular cheilitis, is an inflammation of the corners of the mouth. The condition causes painful, red, cracked, or scaly areas in the corners of the mouth, sometimes with .......

Perniones (Chilblains)

Perniones, also known as chilblains or pernio, is a condition in which the skin reacts abnormally to cold and humid conditions. Due to impaired blood circulation in the small blood vessels, painful, .......

Pitted Keratolysis (sweaty feet)

Pitted keratolysis is a superficial infection of the stratum corneum on the soles of the feet, particularly in pressure areas where the callus layer is thick. The infection is usually associated with .......

Pityriasis Alba

There are indistinctly bordered white round patches (1-5 cm), with very light scaling, especially on the face on the cheeks, sometimes on the arms and torso. The spots occur in the summer and often .......

Pityriasis Amiantacea

It can be seen as an intensified form of dandruff, where the scaling no longer easily detaches. As a result, the layer of scales becomes thicker and thicker, until there is a thick layer of white .......

Pityriasis Capitis

Dandruff, also known as pityriasis capitis, is a common skin condition characterized by the shedding of small pieces of dead skin from the scalp. This often results in visible flakes in the hair and .......

Pityriasis Rosea

It usually starts with one clear red spot with scaling, often on the torso. Then there is a rapid expansion with dozens of itchy and scaling spots, primarily on the torso, upper arms, and upper .......

Pityriasis Rubra Pilaris

In PRP, red, inflamed patches of skin develop that can cover fairly large areas. The patches are sharply demarcated from the normal skin. The skin around the hair follicles is most affected, often .......

Pityriasis Versicolor

The patches are primarily located on the upper part of the torso, shoulder girdle, neck, and sometimes upper arms. The size of the patches is usually 1-2 cm, but when numerous, they can merge into .......

Pityrosporon Folliculitis

Pityrosporon Folliculitis, also known as Malassezia folliculitis, is a skin condition caused by an overgrowth of yeast (Malassezia) that is naturally present on the skin. This yeast settles in the .......

Poikiloderma Civatte (confetti skin, sun neck)

Poikiloderma Civatte is a skin condition that mainly occurs in adults. It is characterized by a combination of redness, brown spots, and thin blood vessels on the face and neck. This condition .......

Porokeratosis

Porokeratosis is a group of rare skin disorders characterized by abnormal keratinization (cornification). The condition results in the formation of scaly, ring-shaped patches on the skin with a .......

Porphyria Cutanea Tarda

Itchy blisters and vesicles on the backs of the hands that appear after sun or UV exposure. Therefore, it is particularly bothersome in the summer. ....

Post-Inflammatory Hyperpigmentation

Post-inflammatory hyperpigmentation is a skin condition that appears as discoloration or darkening of the skin following an inflammatory event, such as acne, eczema, or skin injury. It results from .......

Pregnancy Mask

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Pressure ulcers

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Proctalgia Fugax

Regularly recurring temporary, intense pain around and in the anus and pelvic floor. The pain is often difficult to pinpoint, can be very severe, and can last up to 30 minutes. It is caused by a .......

Prurigo Nodularis

Prurigo nodularis is a skin condition characterized by intensely itchy nodules on the arms and legs. This condition usually occurs in adulthood and can persist for a very long time. ....

Pruritus (Itching)

Pruritus is the medical term for itching, an unpleasant sensation that prompts scratching. Itching can range from mildly annoying to severely disruptive and can significantly affect the quality of .......

Pruritus Ani

anal itching

Pruritus ani literally means itching of the anus. The itching can persist throughout the day and be particularly bothersome at night. Usually, there are few visible skin changes at the site. The .......

Pseudoacanthosis Nigricans

Pseudoacanthosis nigricans is a skin condition where dark, velvety discolorations appear in the folds and creases of the body. This condition is often seen in areas such as the neck, armpits, and .......

Psoriasis

Psoriasis is a non-contagious skin condition characterized by red and scaly patches that can appear all over the body. This condition often runs in families. While treatment can significantly improve .......

Pubic lice

Pubic lice (crabs) are annoying but harmless parasites that are usually transmitted through physical contact. You can also contract them by sharing contaminated clothing, bedding, or towels, for .......

PUPPP

Pruritic Urticarial Papules and Plaques of Pregnancy

This is the most common form of rash during pregnancy. About 1 in 250 pregnant women are affected by it. It involves the development of an itchy red rash in the last three months of pregnancy, .......

Pyogenic Granuloma (Telangiectaticum)

Pyogenic granuloma, also known as pyogenic granuloma, is a small, usually red bump that can appear on your skin or sometimes on your mucous membranes. This bump bleeds easily and looks like a raw .......

Raynaud’s Disease

There is a color change in the fingers that usually progresses in three distinct phases. Initially, there is a pallor due to the narrowing of the arteries. One or more fingers then appear truly .......

Relapsing Polychondritis

Relapsing polychondritis is a chronic inflammatory condition that primarily attacks cartilage. It can lead to painful swelling and deterioration of cartilage in various parts of the body, including .......

Ringworm (Dermatomycosis, tinea)

With ringworm, there is usually only one affected area that is clearly defined, which slowly enlarges to a diameter of 10 cm or more. The skin is somewhat thickened and flakes, especially at the edge .......

Rosacea

Rosacea is a common chronic facial skin condition. It usually begins around the age of 30. Eye abnormalities are common with rosacea and can range from mild to severe. Rosacea is treatable but not .......

Squamous Cell Carcinoma of the Skin

Squamous cell carcinoma of the skin is a type of skin cancer that originates from squamous cells, the thin, flat cells that are part of the outermost layer of the skin, the epidermis. It is the .......

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Skin diseases P – R

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