Dermatitis: Inflammation of the skin

Cause: Either by direct contact with an irritant or due to allergic reaction to a substance


(may or may not have these symptoms depending on type of irritant substance and or the underlying cause.There are different types of dermatitis: see below)

Dry, red and usually itchy skin
Crusty scales with or with blisters that may ooze fluid
Yellowish scales
Ulcerative skin


The doctor will have to determine and eliminate the underlying cause

Treatment varies with diagnosis

Usually an over the counter medication and or prescription from your doctor. Usually steroid type topical medication and or special shampoo for seborrheic dermatitis.

* Note: with all medication use as prescribed by your doctor.

Actinic dermatitis: due to exposure to actinic radiation, such as that from the sun, ultraviolet waves, or x- or gamma radiation.

Artefacta: a skin condition marked by lesions that are self-inflicted by the patient, whether by chemical or physical means.

Atopic dermatitis: a chronic pruritic eruption of unknown etiology; allergic, hereditary, and psychogenci factors appear to be involved.

Berlock dermatitis: typically of the neck, face, and breast, with drop-shaped or quadrilateral patches or streaks, induced by sequential exposure to perfume or other toilet articles and then to sunlight.

Contact dermatitis: acute dermatitis due to contact with a substance to which the patient is allergic or sensitive; when severe, it is called veneata --Primary irritant (nonallergic)

Dysmenorrheica: a rosacea-like eruption on the cheeks of a female, recurring during or just before painful menstrual periods.

Exfoliative dermatitis: virtually universal erythema, desquamation, scaling, and itching of the skin, and loss of hair

Exfoliativa neonatorum: exfoliative dermatitis supervening in bullous impetigo of the newborn.

Gestationis: herpes gestationis

Herpetiformis: dermatitis occurring in successive crops of grouped erythematous papular, vesicular, eczematous, or bullous lesions, accompanied by burning and itching.

Industrial dermatitis: contact dermatitis, usually of the allergic type, caused by material used in the patient's occupation.

Infectious eczematoid dermatitis:& a pustular eczematoid eruption frequently following or occurring coincidentally with some pyogenic process.

Meadow-grass dermatitis: phototoxic dermatitis marked by an eruption of vesicles and bullae arranged in streaks and bizarre configurations, caused by exposure to sunlight after contact with meadow grass.

Medicamentosa: drug eruption

Pediculoides ventricosus: grain itch.

Photocontact dermatitis: allergic contact dermatitis caused by the action of sunlight on skin sensitized by contact with a substance capable of causing this reaction, such as a halogenated salizylanilide, sandalwood oil, or hexachlorophene.

Phototoxic dermatitis: erythema followed by hyperpigmentation of sun-exposed areas of the skin, resulting from sequential exposure to agents containing photosensitizing substances, such as coal tar and certain perfumes, drugs, or plants containing psoralens, and then to sunlight.

Primary-irritant dermatitis: dermatitis induced by a substance acting as an irritant rather than as a sensitizer or allergen.

Radiation dermatitis: radiodermatitis -Roentgen-ray dermatitis:

Rat-mite dermatitis: inflammation of the skin due to a bite of the rat-mite, Ornithonyssus bacoti.

Repens: acrodermatitis continua

Schistosome dermatitis:swimmers itch.

Seborrheic dermatitis:a chronic, usually pruritic, dermatitis with erythema, dry, moist, or greasy scaling, and yellow crusted patches on various areas, especially the scalp, with exfoliation of an excessive amount of dry scales (dandruff).

Stasis dermatitis:an eczematous eruption of the lower legs, usually due to impeded circulation, with edema, pigmentation, and often chronic ulceration.

See also:
Jock Itch

See also:
Poison Ivy / Poison Oak

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