Skin diseases A – C Skin diseases A-Z Ashy Dermatosis (erythema dyschromicum perstans) January 30, 2025 / August 12, 2026 by Dick van Gerwen | Leave a Comment Symptoms The main symptoms of ashy dermatosis include: The appearance of gray to blue-gray patches with an ashy appearance. Patches that can appear anywhere on the body but are often seen on the torso and limbs. The skin condition is usually painless and does not cause itching. Causes The exact cause of ashy dermatosis is […] Read more » ashy dermatosis Chronic erythema Erythema with skin spots Gray skin abnormality Gray spots on the skin Loss of skin pigment Persistent erythema dyschromicum Pigmentation disorders Skin abnormality due to inflammation Skin abnormality with red spots Skin changes due to erythema Skin changes due to inflammation Skin condition skin discoloration Skin rash Treatment of ashy dermatosis
Skin diseases A-Z Skin diseases L – O Urticaria Pigmentosa January 6, 2025 / August 12, 2026 by Dick van Gerwen | Leave a Comment Skin manifestations: Red-brown bumps ranging from 1 to 5 cm (mastocytoma) Red-brown spots or bumps on the skin (mastocytosis) Bumps that swell, turn red, and itch when rubbed Blisters on the skin Hives (urticaria) Persistent brown discoloration after redness fades General complaints: Hot flashes Dizziness Nausea and vomiting Headaches Palpitations Tingling Diarrhea Fainting Mastocytosis of […] Read more » Allergic skin reaction Itchy skin Mast cells Mastocytosis Rare skin disease Red spots on the skin Skin mastocytosis Skin rash Systemic mastocytosis urticaria pigmentosa
Skin diseases A-Z Skin diseases H – K Jessner’s Disease September 5, 2024 / August 12, 2026 by Dick van Gerwen | Leave a Comment Symptoms Red, raised patches Itching or burning sensation Mostly present on the face, neck, and back Causes The exact cause of Jessner’s disease is unknown, but it is thought to be related to the immune system or genetic factors. Diagnosis A dermatologist usually diagnoses the condition through a skin biopsy, often to rule out other […] Read more » Chronic skin disease chronic skin rash Increased skin sensitivity Itchy rash Jessner Jessner's disease Jessner's skin disease Reddish-brown skin spots Skin abnormality Skin changes Skin condition with spots Skin disease due to inflammation Skin disease on face Skin inflammation Skin problems on face Skin rash Treatment for Jessner's disease
Skin diseases A – C Skin diseases A-Z Acne May 31, 2024 / August 12, 2026 by Dick van Gerwen | Leave a Comment Symptoms Blackheads (open comedones) Pimples (closed comedones) Papules (red, inflamed bumps) Pustules (pus-filled pimples) Nodules (large, hard bumps under the skin) Cysts (fluid-filled bumps deeper in the skin) Causes Acne is caused by a combination of excessive sebum production, clogged pores, bacterial infections, and hormonal changes. Diagnosis Diagnosis is often made through visual inspection of […] Read more » acne Acne on the back Acne on the face Acne on the shoulders Acne scars Acne treatment Acne vulgaris blackheads Blocked pores comedones Hormonal acne Hormonal skin condition Inflammatory acne Oily skin Pimples Skin abnormality Skin rash Teenage pimples whiteheads zits
Skin diseases A-Z Skin diseases P – R Parapsoriasis May 22, 2024 / August 12, 2026 by Dick van Gerwen | Leave a Comment Symptoms Red, scaly patches on the skin. Itching or irritation in the affected area. Thickened skin at the patches. Changes in skin color at the patches. Appearance of oval or elongated patches. Causes The exact cause of parapsoriasis is not fully understood. It is believed that a combination of genetic factors, immune system responses, and […] Read more » Chronic skin condition Loss of skin pigment Mild forms of psoriasis Mild parapsoriasis Parapsoriasis Parapsoriasis symptoms Parapsoriasis treatment Psoriasiform condition Psoriasis-like skin rash Scaly Skin Skin condition Skin damage from parapsoriasis Skin disease Skin patches Skin plaques Skin rash
Skin diseases A-Z Skin diseases D – G Erythrasma May 20, 2024 / August 12, 2026 by Dick van Gerwen | Leave a Comment Symptoms The main symptoms of erythrasma include: Flat, slightly scaly patches in the armpits or groins Colors ranging from pink to brown Itching or a slight burning sensation Patches that gradually enlarge Causes Erythrasma is caused by bacteria that thrive in warm, moist environments. People with diabetes or overweight are more susceptible to this infection. […] Read more » bacterial skin infection Chronic skin infection Complex skin condition Erythrasma Erythrasma treatment Reddish-brown spots Scaly Skin Skin damage from bacteria Skin disease caused by Corynebacterium skin infection Skin infection in skin folds Skin rash Skin rash in skin folds Sweat spots Tinea erythrasma
Skin diseases A – C Skin diseases A-Z Atopic Eczema May 8, 2024 / August 12, 2026 by Dick van Gerwen | 1 Comment on Atopic Eczema Symptoms Red, dry, and flaky skin Severe itching, especially at night Rash in the form of bumps or blisters Thickened skin due to repeated scratching Cracked skin that may bleed Skin infections may also occur In children, often found in elbow creases, knee hollows, and the face Causes In atopic eczema, there is a combination […] Read more » allergic eczema Atopic Eczema Chronic eczema Constitutional Eczema Dry skin Eczema skin care Eczema treatment Itchy skin Red spots on the skin Skin rash
Skin diseases A-Z Skin diseases P – R Rosacea May 6, 2024 / August 12, 2026 by Dick van Gerwen | Leave a Comment Symptoms Persistent facial redness. Red bumps, primarily on the cheeks and forehead, sometimes also on the nose and chin. Visible blood vessels. Swelling, pain, or a burning sensation in the affected area. Eye problems such as dry, itchy eyes and swollen eyelids. In severe cases, thickening of the skin, especially around the nose. Causes Hot […] Read more » Acne rosacea Blood vessels in the face Chronic skin condition Dilated blood vessels in the face Facial problems from rosacea facial redness Facial skin abnormality Facial skin disease Itchy skin Redness from rosacea Redness from skin irritation Redness of the face rosacea Rosacea treatment Skin inflammation Skin Irritation Skin rash Skin rosacea
Skin diseases A-Z Skin diseases S – Z Seborrheic Dermatitis May 6, 2024 / August 12, 2026 by Dick van Gerwen | Leave a Comment Symptoms Red skin Yellow or white scales Itching Rash in areas of high sebum production, such as the scalp, face (especially around the nose, eyebrows, behind the ears) and chest Oily skin patches Causes A yeast called Malassezia that lives in the sebum of the skin Genetic predisposition Hormonal changes or certain medical conditions can […] Read more » Dry skin patches Eczema from excessive sebum production Eczema on the face Eczema on the scalp Itchy skin Oily eczema Oily skin condition Scaly Skin Sebaceous disorder Seborrheic dermatitis Seborrheic eczema Seborrheic eczema treatment Skin condition due to oil Skin condition in folds Skin inflammation from sebum production Skin Irritation Skin rash
Skin diseases A-Z Skin diseases L – O Lichen Simplex (Neurodermatitis) March 1, 2024 / August 12, 2026 by Dick van Gerwen | Leave a Comment Symptoms Neurodermatitis, also known as lichen simplex, is a skin condition characterized by chronically itchy, inflamed patches of skin with skin thickening. This condition is not contagious. Preferred sites include lower legs, ankles, and forearms. The patches are maintained by constant scratching and/or rubbing due to the itch. Other symptoms include: Persistent itching. Skin thickening […] Read more » Atopic Eczema Chronic itching Dry skin Eczema from scratching Itchy skin Lichen Simplex Lichen Simplex treatment Neurodermatitis Neurodermatitis treatment Skin Irritation Skin rash Skin thickening Skincare for neurodermatitis