exact cause unknown defect of the skin that impairs its function as a barrier, combined with an...

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

Thank you!