Term
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Definition
| Defective barrier function leads to entry of antigens. Defective lipid (ceramide) production. Increased levels of IgE. S. aureus. Children. Recurring pruritis. History of asthma, allergic rhinitis etc. Xerotic, erythematous, lichenified. Possible Dennie-Morgan folds below eyes. |
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Term
| Irritant Contact Dermatitis |
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Definition
| Direct contact of skin with irritant. More common form of this condition. Irritants = air, water, soap, solvents. Fair skinned women. Itching and pain. Can be acute or chronic. Repeated hand washing, cleaning etc. |
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Term
| Allergic Contact Dermatits |
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Definition
| Direct contact with allergen causes immune reaction. 20% of this type of condition. Delayed sensitivity possible so it may take days to years to react. Memory T cells still exist even after condition is resolved. Poison ivy, nickel dyes, fragrance. Patch testing to determine allergen if needed. |
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Term
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Definition
| Intensely itching, chronic. Unknown cause. Distant fungal infection may cause id reaction/autoeczematization. Common in warmer weather. Can be once/month to once/year. Clear tapioca like vesicles. Palms/soles/lateral fingers. Doesn't rupture, but peels. |
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Term
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Definition
| Pruritis, erythematous, coin-shaped. Fall/winter. Trunk/extremities, not head. |
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Term
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Definition
| Localized form of lichenification. Circumscribed plaques. Repeated rubbing/scratching. Pruritis. Possibly started with a bite or rash that itched. Anxiety, obsession. Mid to late adulthood, females. Automatic, reflexive habit. Erythematous, scaly, well demarcated, lichenified. |
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Term
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Definition
| Papulopustular facial dermatosis. Women. Asymptomatic or burning/tightness. Erythematous papulopustules. Can become confluent, forming plaques. Can be around the eye, nose or mouth. |
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Term
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Definition
| "Dandruff" "Cradle Cap". Increased sebum and abnormal immune response to Pityosporum. Burning, scaling, itching. Inactive periods. Worse in winter, dry environments. Yellowish-red to gray-white. Crusty, greasy, dry scaly patches. Sharply marginated. Common in sebum rich areas. |
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Term
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Definition
| Epidermal hyperproliferation with subsequent plugging of follicle. Excess sebum. Can be caused by bacteria. Whiteheads (closed comedones) or blackheads (open comedones). Black due to oxidation. Treat with topical retinoids, topical Abx. Oral contraceptives decrease free testosterone . Istotretinoin for severe cases. |
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Term
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Definition
| Comedones and inflammatory papules. |
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Term
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Definition
| Comedones, inflammatory papules, pustules, increased number of lesions. |
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Term
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Definition
| Comedones, inflammatory papules/pustules. Large, numerous nodules greater than 5 mm. |
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Term
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Definition
| Facial flushing. Erythema, telangiectasia, possibly inflammatory papulopustular resembling acne. Increased vasculature, environmental, spicy food, alcohol, hot drinks. |
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Term
| Erythematotelangiectatic Rosacea |
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Definition
| Central facial flushing, burning and stinging. |
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Term
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Definition
| Facial flushing, small erythematous papules/pustules. |
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Term
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Definition
| Facial flushing with skin thinkenings and irregular surface. |
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Term
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Definition
| Facial flushing with eye stinging, burning, dryness. Irritation with light, grittiness. |
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Term
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Definition
| Sweating in excess of that required for normal thermoregulation. Onset <25. Focal sweating that stops during sleep. Bilateral, symmetric. Axillae, palms, soles. Treat with topical Drysol or Xerac. |
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Term
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Definition
| Chronic, suppurative (purulent) occulusion of follicles. Secondary inflammation of apocrine glands. Trapped bacteria multiply and spread. Tissue destruction and skin damage. Pruritis, erythema, local hyperhidrosis. Painful. Intertriginous areas. Tender papules, nodules, abscesses. Often draining. Double ended comedones. |
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Term
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Definition
| Heat rash disorder of eccrine sweat glands. Blockage of sweat ducts leads to leakage of eccrine sweat into epidermis/dermis. |
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Term
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Definition
| Most common form of miliaria. Superficial, tiny clear vesicles appear in crops. Asymptomatic. Neonates. |
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Term
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Definition
| Deeper form of miliaria. Pruritic, erythematous papules. Anhidrosis. Resolves when moved to a cooler area. |
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Term
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Definition
| Most severe form of miliaria. Dermal-epidermal junction. Repeated miliaria rubra can cause. Asymptomatic, flesh-colored papules. Increased sweating in unaffected skin. Widespread inability to sweat can lead to heath exhaustion. |
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