INFLAMMATORY SKIN DISORDERS

eczema

pathophysioilogy exact cause unknown defect of the skin that impairs its function

as a barrier, combined with an abnormal function of the immune system, are believed to be important factors.

Some forms of eczema can be triggered by substances that come in contact with the skin, such as soaps, cosmetics, clothing, detergents, jewelry(contact dermatitis)

common in infants often have a family history of the

condition or allergic conditions as asthmaor hay fever.(atopy

Clinical features Itching Dry reddened skin Blisters/oozing

sites Adults/children- insides of the elbows,

knees, and ankles. In infants - face

management Steroids –local Antihistamines for itching

Contact dermatitis

psoriasis Psoriasis A chronic inflammatory skin disease

characterized by dry pink scaling round patches.

Cause unknownGenatic and env

Disorganized

Neutrophilaccumulation

Immaturity

Proliferation

features Erythematous, raised patches with

silvery scales Symmetric Pruritic/ Painful Pitting Nails Arthritis in 10-20% of patients Sites-extensor surfaces of knee/elbow

Types of psoriasis Chronic plaque psoriasis Erythrodermic Guttae psoriasis Nail pitting pustular

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Chronic Plaque Psoriasis

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Erythrodermic Psoriasis

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Nail changes

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Guttate Psoriasis

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management Difficult to cure Moisturizers Corticosteroids Tar/ vitamin D 3 Drugs for itchinh

acne

Causes? Adolecence

Emotional stress Androgens Family history

Pathogenesis Plugging of the hair

follicle w/ abnormally keratinized

cells

Androgen-induced sebaceous gland hyperactivity

Proliferation of bacteria

Inflammation

management Local applications Antibiotics Oral drugs

urticaria

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Mostly by an allergic reaction Acute urticaria can be treated with

antihistamones

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