Dermatology - 101 - Conditions

Dermatology is a key part of General Practice. Here is a list of 101 common dermatological conditions in approximate order of incidence. Click on the link for more details.

Acne
Atopic Dermatitis
Contact Dermatitis
Psoriasis
Seborrheic Dermatitis
Rosacea
Urticaria
Tinea
Herpes Simplex
Varicella Zoster
Impetigo
Scabies
Cellulitis
Basal Cell Carcinoma
Squamous Cell Carcinoma
Melanoma
Actinic Keratosis
Alopecia
Warts
Corns and Calluses
Athlete
Nail Fungal Infections
Molluscum Contagiosum
Vitiligo
Pityriasis Rosea
Ichthyosis
Keratosis Pilaris
Lichen Planus
Sunburn
Photodermatoses
Cutaneous Drug Reactions
Intertrigo
Pilonidal Cyst
Epidermoid Cysts
Lipomas
Folliculitis
Milia
Hidradenitis Suppurativa
Perioral Dermatitis
Cutaneous Lupus Erythematosus
Scleroderma
Cutaneous Candidiasis
Dermatophytosis
Erythema Multiforme
Telangiectasia
Spider Naevi
Angiomas
Keloids and Hypertrophic Scars
Melasma
Hand Dermatitis
Dyshidrotic Eczema
Pediculosis
Bed Bug Bites
Cherry Angiomas
Sebaceous Hyperplasia
Seborrheic Keratosis
Acanthosis Nigricans
Lentigines
Purpura
Cutaneous Tags
Stasis Dermatitis
Cutaneous Vasculitis
Cutaneous Sarcoidosis
Pemphigus Vulgaris
Bullous Pemphigoid
Dermatomyositis
Paronychia
Erysipelas
Naevi
Pyogenic Granuloma
Pityriasis Alba and Pityriasis Versicolour
Pityriasis Lichenoides
Discoid Eczema
Pruritus Ani
Pruritus Vulvae
Mastocytosis
Ganglion Cyst
Hemangiomas
Raynaud
Erythema Nodosum
Lichen Sclerosus
Granuloma Annulare
Morphea
Lichen Simplex Chronicus
Actinic Prurigo
Dermatofibroma
Harlequin Ichthyosis
Acrodermatitis Enteropathica
Rosacea Fulminans
Syringomas
Fox
Porokeratosis
Darier
Perforating Dermatoses
Beh
Xanthomas
Erythrasma
Condyloma Acuminatum
Erythema Ab Igne
Porphyria

1. Acne

Description: Inflammatory skin condition characterized by pimples, blackheads, and cysts, primarily on the face, back, and chest.
Associations: Hormonal changes, genetics, stress, and certain medications.
Management: Topical retinoids, benzoyl peroxide, antibiotics; oral isotretinoin for severe cases; hormonal therapy in some cases.
Dermnet: https://dermnetnz.org/topics/acne

2. Atopic Dermatitis

Description: Chronic, itchy rash that is often scaly and reddened.
Associations: Family history of allergies or asthma, environmental factors.
DDx: Granular parakeratosis can look very similar Dermnet: https://dermnetnz.org/topics/granular-parakeratosis
Management: Moisturizers, topical corticosteroids, avoiding triggers, antihistamines for itch relief.
Dermnet: https://dermnetnz.org/topics/dermatitis

3. Contact Dermatitis

Description: Red, itchy rash caused by direct contact with a substance or an allergic reaction to it.
Associations: Exposure to irritants or allergens (like nickel, fragrances, plants).
Management: Avoidance of the irritant or allergen, topical corticosteroids, oral antihistamines for severe cases.
Dermnet: https://dermnetnz.org/topics/contact-dermatitis

4. Psoriasis

Description: Autoimmune disease that causes raised, red, scaly patches on the skin.
Associations: Genetic predisposition, triggers include stress, infection, medications.
Management: Topical treatments (steroids, vitamin D analogues), phototherapy, systemic medications for severe cases.
Dermnet: https://dermnetnz.org/topics/psoriasis

5. Seborrheic Dermatitis

Description: Skin condition causing scaly patches, red skin, and stubborn dandruff.
Associations: It’s more common in oily skin, stress, cold, dry weather.
Management: Antifungal creams or shampoos, topical corticosteroids, calcineurin inhibitors.
Dermnet: https://dermnetnz.org/topics/seborrhoeic-dermatitis

6. Rosacea

Description: Chronic skin condition causing flushing, redness, pimples, and visible blood vessels, usually on the face.
Associations: Fair skin, family history, age between 30 and 50.
Management: Avoiding triggers, topical and oral antibiotics, laser therapy, managing lifestyle factors.
Dermnet: https://dermnetnz.org/topics/rosacea

7. Urticaria

Description: Sudden outbreak of swollen, pale red bumps or plaques on the skin.
Associations: Allergic reactions, infections, stress, exposure to cold or heat.
Management: Oral antihistamines, avoiding known triggers, corticosteroids for severe cases.
Dermnet: https://dermnetnz.org/topics/urticaria-an-overview

8. Tinea

Description: Fungal infection of the skin, scalp, or nails presenting as a red, itchy, scaly ring-shaped rash.
Associations: Warm, moist environments; close contact with infected individuals or animals.
Management: Antifungal creams, shampoos, or oral medications, keeping the affected area clean and dry.
Dermnet: https://dermnetnz.org/topics/tinea-corporis

9. Herpes Simplex

Description: Viral infection causing blisters and sores, usually on the mouth or genitals.
Associations: HSV-1 and HSV-2 viruses, stress, sunlight, fever, weakened immune system.
Management: Antiviral medications (topical or oral), pain relief measures, avoiding triggering factors.
Dermnet: https://dermnetnz.org/cme/viral-infections/herpes-simplex

10. Varicella Zoster

Description: Chickenpox causes itchy, blister-like rash; shingles causes painful rash, often with blisters.
Associations: Initial infection with the varicella-zoster virus (chickenpox); shingles occurs from reactivation of the virus.
Management: Vaccination for prevention; antiviral drugs, pain management, and itch relief for active cases.
Dermnet: https://dermnetnz.org/topics/herpes-zoster

11. Impetigo

Description: Highly contagious bacterial skin infection, causing red sores that can rupture, ooze fluid, and form a yellow-brown crust.
Associations: Common in children, direct contact with infected person, or with items they’ve touched.
Management: Topical or oral antibiotics, keeping the skin clean, avoiding scratching.
Dermnet: https://dermnetnz.org/topics/impetigo

12. Scabies

Description: Skin infestation by the mite Sarcoptes scabiei, causing intense itching and a pimple-like skin rash.
Associations: Close physical contact, crowded conditions, compromised immune system.
Management: Prescription scabicidal lotions or creams, washing clothes and bedding in hot water.
Dermnet: https://dermnetnz.org/topics/scabies

13. Cellulitis

Description: Bacterial skin infection causing red, swollen, and painful skin, often with fever.
Associations: Breaks in the skin, chronic skin conditions, weakened immune system.
Management: Oral or intravenous antibiotics, rest, elevation of the affected area.
Dermnet: https://dermnetnz.org/topics/cellulitis

14. Basal Cell Carcinoma

Description: Type of skin cancer featuring lesions or nodules on sun-exposed areas.
Associations: Long-term sun exposure, fair skin.
Management: Surgical removal, cryotherapy, topical treatments for early stages, radiation therapy.
Dermnet: https://dermnetnz.org/topics/basal-cell-carcinoma

15. Squamous Cell Carcinoma

Description: Type of skin cancer causing firm, red nodules or flat sores with a scaly crust.
Associations: UV exposure, fair skin, history of sunburns.
Management: Surgical removal, radiation therapy, cryotherapy.
Dermnet: https://dermnetnz.org/cme/lesions/squamous-cell-carcinoma

16. Melanoma

Description: The most serious type of skin cancer, often resembling moles or developing from them.
Associations: Intense UV exposure, fair skin, genetics, having many moles.
Management: Surgical removal, immunotherapy, targeted therapy, radiation.
Dermnet: https://dermnetnz.org/topics/melanoma
Lentigo Maligna (Hutchinsons Melanotic Freckle)
Dermnet: https://dermnetnz.org/topics/lentigo-maligna-and-lentigo-maligna-melanoma
Lentigo maligna has a 3-10% chance of malignant transformation flagged by rapid change – thickness, pigment…

17. Actinic Keratosis

Description: Rough, scaly patches on sun-exposed skin, potentially precancerous.
Associations: Long-term sun exposure, older age, fair skin.
Management: Cryotherapy, topical chemotherapy, photodynamic therapy.
Dermnet: https://dermnetnz.org/cme/lesions/squamous-cell-carcinoma

18. Alopecia

Description: Loss of hair from the scalp or body, which can be temporary or permanent.
Associations: Genetics, autoimmune conditions, certain medications, stress.
Management: Topical minoxidil, oral finasteride, corticosteroids, hair transplant surgery.
Exclamation mark hairs -> alopecia areata
Dermnet: https://dermnetnz.org/topics/hair-loss

19. Warts

Description: Small, grainy skin growths caused by the human papillomavirus (HPV).
Associations: HPV infection, cuts or damage to the skin.
Management: Cryotherapy, salicylic acid treatments, laser treatment, surgical removal.
Dermnet: https://dermnetnz.org/topics/viral-wart

20. Corns and Calluses

Description: Thickened skin areas formed due to repeated pressure or friction.
Associations: Ill-fitting shoes, repetitive actions.
Management: Protective pads, changing footwear, paring down thickened skin, orthotics.
Dermnet: https://dermnetnz.org/topics/corn-callus

21. Athlete

Description: Fungal infection of the foot, causing itching, redness, and cracking.
Associations: Damp, communal environments, tight-fitting shoes.
Management: Antifungal creams or powders, keeping feet dry, changing socks regularly.
Dermnet: https://dermnetnz.org/topics/tinea-pedis

22. Nail Fungal Infections

Description: Fungal infection of the nails, causing discoloration, thickening, and brittleness.
Associations: Aging, diabetes, nail trauma, damp environments.
Management: Oral antifungal medications (terbinafine), antifungal nail lacquers, sometimes nail removal.
Dermnet: https://dermnetnz.org/topics/fungal-nail-infections

23. Molluscum Contagiosum

Description: Viral infection (poxvirus) causing small, painless bumps on the skin.
Associations: Skin-to-skin contact, sharing towels or clothing.
Management: Often resolves spontaneously, treatments include cryotherapy, curettage, topical therapy.
Dermnet: https://dermnetnz.org/topics/molluscum-contagiosum

24. Vitiligo

Description: Loss of skin pigment, resulting in white patches on the skin.
Associations: Autoimmune conditions, family history.
Management: Phototherapy, topical corticosteroids, skin grafting, cosmetics to camouflage.
Dermnet: https://dermnetnz.org/topics/vitiligo

25. Pityriasis Rosea

Description: Rash that begins as a large patch (herald patch), followed by smaller ones, often in a Christmas tree pattern.
Associations: Possibly viral, more common in spring and fall.
Management: Often self-limiting, topical steroids for itch, antihistamines, UVB light.
Dermnet: https://dermnetnz.org/topics/pityriasis-rosea

26. Ichthyosis

Description: Group of skin disorders causing dry, scaly skin.
Associations: Mostly genetic, sometimes acquired.
Management: Regular moisturizing, retinoids for severe cases, avoiding harsh soaps.
Dermnet: https://dermnetnz.org/topics/ichthyosis-vulgaris

27. Keratosis Pilaris

Description: Small, rough bumps on the skin, usually on arms, thighs, cheeks.
Associations: Dry skin, atopic dermatitis.
Management: Moisturizing creams, exfoliating, topical retinoids.
Dermnet: https://dermnetnz.org/topics/keratosis-pilaris

28. Lichen Planus

Description: Inflammatory condition causing purplish, itchy, flat-topped bumps on the skin.
Associations: Immune system, hepatitis C infection, certain medications.
Management: Topical corticosteroids, oral medication for severe cases, UVB light therapy.
Dermnet: https://dermnetnz.org/topics/lichen-planus

29. Sunburn

Description: Red, painful skin that feels hot to the touch, caused by too much sun exposure.
Associations: UV radiation, fair skin, lack of sunscreen.
Management: Cool baths, moisturizers, over-the-counter pain relief, hydration.
Dermnet: https://dermnetnz.org/topics/sunburn

30. Photodermatoses

Description: Skin reaction to sunlight, causing rashes or bumps.
Associations: Exposure to UV light, more common in women and fair-skinned individuals.
Management: Sun protection, topical corticosteroids, antimalarial medication for chronic cases.
Dermnet: https://dermnetnz.org/topics/polymorphic-light-eruption

31. Cutaneous Drug Reactions

Description: Wide range of skin reactions due to medication.
Associations: Antibiotics, NSAIDs, anticonvulsants, and many others.
Management: Discontinuation of the offending drug, topical or oral corticosteroids.
Dermnet: https://dermnetnz.org/topics/drug-eruptions
Too many possibilities

32. Intertrigo

Description: Inflammation of skin folds caused by skin-on-skin friction in warm, moist areas, often with superinfection with Candida albicans
Associations: Obesity, diabetes, heat, and humidity.
Management: Keeping the area dry, topical antifungals or antibacterials, barrier creams.
Dermnet: https://dermnetnz.org/topics/intertrigo

33. Pilonidal Cyst

Description: Painful cyst or abscess near the tailbone, often with hair.
Associations: Long periods of sitting, excess body hair.
Management: Incision and drainage, antibiotics, surgery for recurrent cases.
Dermnet: https://dermnetnz.org/topics/pilonidal-disease

34. Epidermoid Cysts

Description: Small, round lumps under the skin, possibly with a central pore; filled with keratin.
Associations: Develops when skin cells multiply instead of shedding.
Management: Often no treatment needed, surgical removal if bothersome.
Dermnet: https://dermnetnz.org/topics/epidermoid-cyst

35. Lipomas

Description: Soft, fatty lumps under the skin, usually noncancerous.
Associations: Genetic factors, more common with age.
Management: Generally no treatment required, removal for discomfort or cosmetic reasons.
Dermnet: https://dermnetnz.org/topics/lipoma-and-liposarcoma

36. Folliculitis

Description: Inflammation of the hair follicles, causing red, pimple-like bumps.
Associations: Bacterial or fungal infection, irritation from shaving, hot tubs.
Management: Topical antibiotics or antifungals, good hygiene, avoiding irritants.
Dermnet: https://dermnetnz.org/topics/folliculitis

37. Milia

Description: Small, white bumps on the skin, especially on the face, caused by keratin buildup.
Associations: Skin damage (like sunburn), use of steroid creams, newborns.
Management: Often resolve on their own, extraction by a professional if necessary.
Dermnet: https://dermnetnz.org/topics/milium

38. Hidradenitis Suppurativa

Description: Chronic skin condition causing abscesses and scarring, primarily in the armpits and groin (apocrine gland locations)
Associations: Hormones, genetics, obesity, smoking.
Management: Antibiotics, biologics, surgery for severe cases, lifestyle changes.
Dermnet: https://dermnetnz.org/topics/hidradenitis-suppurativa

39. Perioral Dermatitis

Description: Rash around the mouth, small red bumps or pus bumps, and mild peeling.
Associations: Topical steroid use, skin care products, hormonal changes.
Management: Discontinuing triggering products, oral or topical antibiotics.
Dermnet: https://dermnetnz.org/topics/periorificial-dermatitis

40. Cutaneous Lupus Erythematosus

Description: Autoimmune disorder causing a rash on areas of the skin exposed to sunlight.
Associations: Systemic lupus erythematosus, sun exposure.
Management: Sun protection, topical corticosteroids, antimalarial drugs for systemic involvement.
Dermnet: https://dermnetnz.org/topics/cutaneous-lupus-erythematosus

41. Scleroderma

Description: Chronic autoimmune disease causing hardening and tightening of the skin.
Associations: Genetic predisposition, environmental triggers.
Management: Managing symptoms, physical therapy, medications to control symptoms
Dermnet: https://dermnetnz.org/topics/scleroderma

42. Cutaneous Candidiasis

Description: Fungal infection of the skin caused by Candida species.
Associations: Common in warm, moist areas; associated with immunocompromised states.
Management: Antifungal creams (clotrimazole) or oral medication (fluconazole).
Dermnet: https://dermnetnz.org/topics/candida

43. Dermatophytosis

Description: Fungal infection causing small, discolored patches of skin.
Associations: More common in hot, humid climates.
Management: Antifungal creams, lotions, or shampoos.
Dermnet: https://dermnetnz.org/topics/tinea-corporis

44. Erythema Multiforme

Description: Reaction causing red, target-like or bull’s-eye patches.
Associations: Often a reaction to infections or medications.
Management: Address underlying cause, topical steroids, antihistamines.
Dermnet: https://dermnetnz.org/topics/erythema-multiforme

45. Telangiectasia

Description: Small, widened blood vessels on the skin.
Associations: May be associated with various diseases, including rosacea.
Management: Laser therapy, electrocautery.
Dermnet: https://dermnetnz.org/topics/telangiectasia

46. Spider Naevi

Description: Small, red, purple, and blue vessels that have a spider like appearance
Associations: Liver disease, alcohol, high oestrogen (COCP)
Management: Laser treatment, sclerotherapy.
Dermnet: https://dermnetnz.org/topics/spider-telangiectasis

47. Angiomas

Description: Benign growths made up of small blood vessels.
Associations: May appear at birth or develop later in life.
Management: Usually not needed; laser or surgical removal if desired.
Dermnet: https://dermnetnz.org/topics/vascular-proliferations-and-abnormalities-of-blood-vessels

48. Keloids and Hypertrophic Scars

Description: Overgrowth of scar tissue at the site of a healed skin injury.
Associations: More common in darker skin.
Management: Steroid injections, laser therapy, surgery.
Dermnet: https://dermnetnz.org/topics/keloid-and-hypertrophic-scar

49. Melasma

Description: Brown or gray-brown patches on the face.
Associations: Often triggered by COCP, pregnancy, hypothyroidism, sun exposure, chemical peels/laser
Management: Sun protection, topical bleaching agents, laser therapy.
Dermnet: https://dermnetnz.org/topics/melasma

50. Hand Dermatitis

Description: Inflammation of the skin on the hands.
Associations: Often due to contact with irritants or allergens.
Management: Avoidance of triggers, moisturizers, topical steroids.
Dermnet: https://dermnetnz.org/topics/hand-dermatitis

51. Dyshidrotic Eczema

Description: Small, itchy blisters on the edges of the fingers, toes, palms, and soles.
Associations: Related to seasonal allergies, stress.
Management: Moisturizing lotions, steroid creams, avoiding irritants.
Dermnet: https://dermnetnz.org/topics/dyshidrotic-eczema

52. Pediculosis

Description: Infestation of the skin with lice.
Associations: Spread through close contact.
Management: Lice-killing lotions, combing out nits.
Dermnet: https://dermnetnz.org/images/pediculosis-images

53. Bed Bug Bites

Description: Small, red, itchy welts on the skin.
Associations: Caused by bites of bed bugs.
Management: Symptomatic treatment, exterminating bed bugs.
Dermnet: https://dermnetnz.org/topics/bed-bugs

54. Cherry Angiomas

Description: Small, bright red growths on the skin.
Associations: Increase with age.
Management: Usually not necessary; laser or electrocautery if desired.
Dermnet: https://dermnetnz.org/topics/cherry-angioma

55. Sebaceous Hyperplasia

Description: Enlarged sebaceous glands appearing as small, yellow bumps.
Associations: More common in middle-aged or older people.
Management: Usually cosmetic; cryotherapy, laser therapy.
Dermnet: https://dermnetnz.org/topics/sebaceous-hyperplasia

56. Seborrheic Keratosis

Description: Brown, black, or light tan growths on the skin.
Associations: Common in older adults.
Management: No treatment necessary; removal for cosmetic reasons.
Dermnet: https://dermnetnz.org/topics/seborrhoeic-keratosis

57. Acanthosis Nigricans

Description: Darkening and thickening of the skin, especially in body folds.
Associations: Often associated with obesity, diabetes, and hormonal conditions.
Management: Treat underlying condition; topical retinoids, laser therapy.
Dermnet: https://dermnetnz.org/topics/acanthosis-nigricans

58. Lentigines

Description: Small, flat, brown spots due to sun exposure.
Associations: Common in older adults.
Management: Prevention with sun protection; bleaching creams, laser therapy.
Dermnet: https://dermnetnz.org/topics/lentigo

59. Purpura

Description: Purple-colored spots and patches on the skin.
Associations: Steroids, anticoagulants, vasculitis, thrombocytopaenia
Management: Depends on underlying cause.
Dermnet: https://dermnetnz.org/topics/purpura

60. Cutaneous Tags

Description: Small, soft, skin-colored growths.
Associations: More common in older adults and obese individuals.
Management: Snipping, freezing, or burning off.
Dermnet: https://dermnetnz.org/topics/skin-tag

61. Stasis Dermatitis

Description: Inflammation of the skin on the lower legs, often related to circulation problems.
Associations: Common in older adults with varicose veins or other circulatory issues.
Management: Compression stockings, moisturizers, topical steroids.
Dermnet: https://dermnetnz.org/topics/venous-eczema

62. Cutaneous Vasculitis

Description: Inflammation of blood vessels in the skin, causing red spots or patches.
Associations: Can be a part of systemic vasculitis.
Management: Treat underlying cause; corticosteroids, immunosuppressants.
Dermnet: https://dermnetnz.org/topics/cutaneous-vasculitis

63. Cutaneous Sarcoidosis

Description: Small, raised bumps or patches of inflamed tissue.
Associations: Part of systemic condition sarcoidosis.
Management: Corticosteroids, medications that suppress the immune system.
Dermnet: https://dermnetnz.org/topics/sarcoidosis

64. Pemphigus Vulgaris

Description: Rare, blistering skin condition.
Associations: Autoimmune disorder.
Management: Corticosteroids, immunosuppressants.
Dermnet: https://dermnetnz.org/topics/pemphigus-vulgaris

65. Bullous Pemphigoid

Description: Large, fluid-filled blisters.
Associations: Autoimmune disorder, usually in older adults.
Management: Corticosteroids, immunosuppressive drugs.
Dermnet: https://dermnetnz.org/topics/bullous-pemphigoid

66. Dermatomyositis

Description: Inflammation of the muscles and skin.
Associations: Autoimmune disorder, may be associated with internal malignancies.
Management: Corticosteroids, immunosuppressants, physical therapy.
Dermnet: https://dermnetnz.org/topics/adult-onset-dermatomyositis

67. Paronychia

Description: Skin infection around the nails.
Associations: Caused by bacteria or fungi, often from nail biting or manicures.
Management: Warm soaks, antibiotics or antifungals.
Dermnet: https://dermnetnz.org/topics/paronychia

68. Erysipelas

Description: Acute, often febrile infection of the skin, typically with a clear demarcation.
Associations: Caused by Streptococcus bacteria.
Management: Antibiotics.
Dermnet: https://dermnetnz.org/topics/erysipelashttps://dermnetnz.org/topics/erysipelashttps://dermnetnz.org/topics/erysipelas

69. Naevi

Description: Pigmented growths on the skin.
Associations: Can be benign or a sign of melanoma.
Management: Monitoring, biopsy or removal if suspicious.
Dermnet: https://dermnetnz.org/topics/melanocytic-naevus

70. Pyogenic Granuloma

Description: Small, red, oozing and bleeding growths.
Associations: Often occur following injury.
Management: Removal by surgery, laser, or freezing.
Dermnet: https://dermnetnz.org/topics/pyogenic-granuloma

71. Pityriasis Alba and Pityriasis Versicolour

Description: Piryriasis is used for skin conditions that have slight scaling (like wheat bran)
Alba: Light colored patches on the skin
Versicolour: As the name suggests – multiple colours ie light and/or dark patches
Associations:
Alba: associated with eczema.
Versicolour: associated with Malassezia fungus
Management:
Alba: Usually resolves on its own; moisturizers, mild topical steroids.
Versicolour: Topical azole (ie Ketoconazole shampoo) or oral Itraconazole or Fluconazole (not Terbinifine)
Dermnet: https://dermnetnz.org/topics/pityriasis-alba

72. Pityriasis Lichenoides

Description: Series of reddish or brownish spots that develop into small, scaly patches.
Associations: Unknown cause; possible immune system involvement.
Management: Light therapy, antibiotics, immunosuppressants.
Dermnet: https://dermnetnz.org/topics/pityriasis-lichenoides

73. Discoid Eczema

Description: Chronic eczema with round, coin-shaped spots.
Associations: More common in adults.
Management: Moisturizers, topical steroids.
Dermnet: https://dermnetnz.org/topics/discoid-eczema

74. Pruritus Ani

Description: Itching around the anus.
Associations: Caused by skin irritation, infections, or hemorrhoids.
Management: Keeping area dry, avoiding irritants, topical creams.
Dermnet: https://dermnetnz.org/topics/itchy-anus

75. Pruritus Vulvae

Description: Itching of the vulva.
Associations: Can be due to infections, skin conditions, or hormonal changes.
Management: Identifying and treating underlying cause; topical creams.
Dermnet: https://dermnetnz.org/topics/the-itchy-vulva
No Images on Dermnet

76. Mastocytosis

Description: Abnormal accumulation of mast cells in the skin and sometimes other organs.
Associations: Can range from benign to systemic involvement.
Management: Antihistamines, treating systemic symptoms.
Dermnet: https://dermnetnz.org/topics/mastocytosis

77. Ganglion Cyst

Description: Noncancerous lumps that most commonly develop along the tendons or joints of the wrists or hands.
Associations: Exact cause unknown.
Management: Observation, aspiration, or surgical removal.
Dermnet: https://dermnetnz.org/topics/cutaneous-cysts-and-pseudocysts

78. Hemangiomas

Description: Birthmarks made up of blood vessels.
Associations: Most common in infants.
Management: Most resolve on their own; laser therapy, surgery in some cases.
Dermnet: https://dermnetnz.org/topics/infantile-haemangioma-definition-and-pathogenesis

79. Raynaud

Description: Characterized by episodes of color changes in the fingers or toes in response to cold or stress.
Associations: Can be a primary condition or associated with other autoimmune diseases.
Management: Avoiding cold, stress, smoking cessation, and medications to dilate blood vessels.
Dermnet: https://dermnetnz.org/topics/raynaud-phenomenon

80. Erythema Nodosum

Description: Painful, red nodules, usually on the shins.
Associations: Often associated with infections, medications, and other underlying health problems.
Management: Treat the underlying condition
Dermnet: https://dermnetnz.org/topics/erythema-nodosum

81. Lichen Sclerosus

Description: Chronic skin condition causing thin, white, patchy skin, often in genital areas.
Associations: More common in women, particularly postmenopausal.
Management: High-potency topical corticosteroids, monitoring for skin cancer in affected areas.
Dermnet: https://dermnetnz.org/topics/lichen-sclerosus

82. Granuloma Annulare

Description: Characterized by ring-shaped, reddish bumps on the skin, usually on hands and feet.
Associations: Cause unknown, sometimes associated with diabetes or thyroid disease.
Management: Usually self-limiting, topical steroids, cryotherapy for symptomatic lesions.
Dermnet: https://dermnetnz.org/topics/granuloma-annulare

83. Morphea

Description: Localized form of scleroderma causing discolored, thickened patches of skin.
Associations: Exact cause unknown; not associated with systemic sclerosis.
Management: Topical steroids, phototherapy, systemic medications in severe cases.
Dermnet: https://dermnetnz.org/topics/morphoea

84. Lichen Simplex Chronicus

Description: Thickened, well-demarcated skin areas resulting from chronic itching and scratching.
Associations: Often associated with eczema, psoriasis, or other skin irritations.
Management: Reducing scratching, topical steroids, antihistamines, stress management.
Dermnet: https://dermnetnz.org/topics/lichen-simplex

85. Actinic Prurigo

Description: Itchy skin rash caused by sun exposure.
Associations: Genetic predisposition
Management: Sun protection, topical steroids, antimalarials in severe cases.
Dermnet: https://dermnetnz.org/topics/actinic-prurigo

86. Dermatofibroma

Description: Benign, firm skin nodules, usually on the legs.
Associations: May be caused by minor injury.
Management: Generally no treatment needed; surgical removal if bothersome.
Dermnet: https://dermnetnz.org/topics/dermatofibroma

87. Harlequin Ichthyosis

Description: Severe genetic disorder causing thick, plate-like scales over the entire body.
Associations: Autosomal recessive inheritance.
Management: Intensive skincare, systemic retinoids, monitoring for complications.
Dermnet: https://dermnetnz.org/topics/harlequin-ichthyosis

88. Acrodermatitis Enteropathica

Description: Rare genetic condition causing skin lesions (perioral and periacral dermatitis), hair loss, and diarrhea.
Associations: Impaired zinc absorption.
Management: Zinc supplementation.
Dermnet: https://dermnetnz.org/topics/acrodermatitis-enteropathica

89. Rosacea Fulminans

Description: Sudden severe exacerbation of rosacea with nodules, pustules, and possibly abscesses.
Associations: Unknown; may be triggered by hormonal changes.
Management: Oral antibiotics, isotretinoin, topical treatments.
Dermnet: https://dermnetnz.org/topics/pyoderma-faciale

90. Syringomas

Description: Small, benign sweat duct tumors.
Associations: More common in women; sometimes associated with genetic disorders.
Management: Laser, electrosurgery, or cryotherapy for cosmetic purposes.
Dermnet: https://dermnetnz.org/topics/syringoma

91. Fox

Description: Chronic, itchy papules in areas with apocrine glands.
Associations: Affects primarily young women; hormone-related.
Management: Topical clindamycin, retinoids, oral contraceptives.
Dermnet: https://dermnetnz.org/topics/fox-fordyce-disease

92. Porokeratosis

Description: Skin disorder with ring-like plaques having a characteristic ridge-like border.
Associations: May have genetic predisposition; increased skin cancer risk.
Management: Observation, cryotherapy, topical agents.
Dermnet: https://dermnetnz.org/topics/porokeratosis

93. Darier

Description: Genetic skin disorder causing greasy, warty patches and papules.
Associations: Autosomal dominant inheritance.
Management: Topical and oral retinoids, antibiotics for secondary infections.
Dermnet: https://dermnetnz.org/topics/darier-disease

94. Perforating Dermatoses

Description: Group of disorders with transepidermal elimination of dermal material.
Associations: Often associated with systemic diseases like renal failure, diabetes.
Management: Treat underlying cause, topical therapies, cryotherapy.
Dermnet: https://dermnetnz.org/topics/reactive-perforating-collagenosis

95. Beh

Description: Involves mouth and genital ulcers, eye inflammation, and skin lesions.
Associations: Possible autoimmune or genetic link.
Management: Symptomatic treatment, immunosuppressants, colchicine.
Dermnet: https://dermnetnz.org/topics/behcet-disease

96. Xanthomas

Description: Fatty deposits under the skin.
Associations: Associated with lipid disorders and systemic conditions.
Management: Treat underlying lipid abnormalities, as well as surgical or laser removal for cosmetic purposes.
Dermnet: https://dermnetnz.org/topics/xanthoma

97. Erythrasma

Description: Superficial skin infection with Corynebacterium minutissimum. causing brown, scaly patches.
Associations: More common in diabetics and in warm climates.
Management: Antibacterial soaps, topical or oral antibiotics.
Dermnet: https://dermnetnz.org/topics/erythrasma

98. Condyloma Acuminatum

Description: Warts in the genital area caused by HPV.
Associations: Sexually transmitted; some HPV types linked to cancer.
Management: Topical treatments, cryotherapy, surgical removal.
Dermnet: https://dermnetnz.org/topics/anogenital-warts

99. Erythema Ab Igne

Description: Skin changes due to chronic exposure to heat.
Associations: Associated with heating pads, laptops, etc.
Management: Remove heat source, topical retinoids, and laser therapy for persistent lesions.
Dermnet: https://dermnetnz.org/topics/erythema-ab-igne

100. Porphyria

Description: Disorders affecting the skin or nervous system caused by enzyme deficiencies in heme production.
Associations: Genetic; triggered by drugs, alcohol, and other factors.
Management: Avoid triggers, sun protection, drugs to control symptoms, blood transfusions in some types.
Dermnet: https://dermnetnz.org/topics/porphyria-cutanea-tarda