A cutaneous reaction to an external substance
Each type has a different mechanism, whereas the clinical presentation is the same (1).
Primary irritant dermatitis (ID) is a result of d...
Itchy rash
Assess for prior exposure to irritating substance.
Acute
Papules, vesicles, bullae with surrounding erythema
Crusting and oozing
Pruritus
Chronic
Erythematous base
Thi...
Identify and remove offending agent: (5)[C]
Avoidance
Work modification
Protective clothing
Barrier creams, especially high-lipid content moisturizing creams (e.g., Keri lotion,...
As necessary for recurrence
Patch testing for etiology after resolved
Avo...
Martin SF. Contact dermatitis: from pathomechanisms to immunotoxicology. Exp Dermatol. 2012;21(5):382–389
Pelletier JL, Per...
L25.9 Unspecified contact dermatitis, unspecified cause
L23.9 Allergic contact dermatitis, unspecified cause
L25.5 Unspecified contact dermatitis due to plants, except food
L25.3 Unsp contact ...
Commonly occurs on hands and face
Anyone exposed to irritants or allergic substances is predisposed to contact dermatitis, especially in occupations that have high exposure to chemicals...
Sign up for a 10-day FREE Trial now and receive full access to all content.
1.8. Contact dermatitis is a delayed hypersensitivity reaction to topical ophthalmic medication causing a periocular eczematoid reaction.
FIG. 6.4. Contact dermatitis may be quite localized as in this patient with facial involvement (A) or more diffuse, as in this child with a rash on the extremities (B, C).
FIG. 6.4. Contact dermatitis may be quite localized as in this patient with facial involvement (A) or more diffuse, as in this child with ...
<bold>Figure 52-1</bold> Contact dermatitis. Erythematous diaper dermatitisdistributed primarily on convex surfaces with sparing of the intert-riginous folds in an infant.
<bold>Figure 52-1</bold> Contact dermatitis. Erythematous diaper dermatitisdistributed primarily on convex surfaces with spari...
Irritant contact dermatitis: hands, health-care worker
Rhus dermatitis (poison ivy) in a child
Interdigital poison ivy eruption acquired in December by pulling up 'dead' vines
<bold><italic>Figure 24-18</bold> Eczema of allergic contact dermatitis.</bold> Contact with poison ivy has produced a weeping, crusted, erythematous collection of vesicles and papules.
<bold><italic>Figure 24-18</bold> Eczema of allergic contact dermatitis.</bold> Contact with poison ivy has produc...
Rhus (poison ivy) dermatitis. Close-up of previous.
Facial dermatitis after exposure to poison ivy leaves
Facial dermatitis after exposure to poison ivy leaves. Same pt as in previous photo
Rhus dermatitis (poison ivy) after clearing brush in the springtime
Rhus (poison ivy) dermatitis. Acute eczema with vesicles, weeping and crusting
Acute allergic eczematous eruption of poison ivy. The red color and linear blistered appearance suggest an acute “boiling,” bubbling, second-degree burn. From Goodheart HP. Goodheart's Photoguide to Common Skin Disorders: Diagnosis and Management, 3rd Edition. Philadelphia: Lippincott Williams & Wilkins, 2009.
Acute allergic eczematous eruption of poison ivy. The red color and linear blistered appearance suggest an acute “boiling,” bubbling, secon...
Irritant contact dermatitis. The localized erythema on this boy's face was caused by irritation from benzoyl peroxide in an acne preparation. From Goodheart HP. Goodheart's Photoguide to Common Skin Disorders: Diagnosis and Management, 3rd Edition. Philadelphia: Lippincott Williams & Wilkins, 2009.
Irritant contact dermatitis. The localized erythema on this boy's face was caused by irritation from benzoyl peroxide in an acne preparatio...