Overview
What are the essential elements of pediatric contact dermatitis?
What are the types of pediatric contact dermatitis?
What is pediatric contact dermatitis?
What is the pathophysiology of pediatric irritant contact dermatitis?
What is the pathophysiology of pediatric allergic contact dermatitis?
What is the pathophysiology of pediatric photo contact dermatitis?
What is the pathophysiology of pediatric contact urticaria?
What is the role of pharmacologic reactions in the pathophysiology of pediatric contact dermatitis?
What causes pediatric contact dermatitis?
What causes pediatric irritant contact dermatitis?
What causes pediatric allergic contact dermatitis?
What are most common allergens causing contact dermatitis?
What is the role of plants in the etiology of pediatric allergic contact dermatitis?
How is atopic dermatitis complicated by contact dermatitis?
What causes pediatric photo contact dermatitis?
What causes pediatric contact urticaria?
What causes nonimmunologic pediatric contact urticaria?
Which environmentally associated urticaria must be distinguished from pediatric contact urticaria?
What is the prevalence of pediatric contact dermatitis in the US?
What is the global prevalence of pediatric contact dermatitis?
Which patient groups have the highest prevalence of pediatric contact dermatitis?
What is the prognosis of pediatric contact dermatitis?
What is included in patient education about pediatric contact dermatitis?
Presentation
Which clinical history findings are characteristic of perioral contact dermatitis in children?
What is the focus of clinical history in the evaluation of pediatric contact dermatitis?
Which clinical history findings are characteristic of photo contact dermatitis in children?
Which physical findings are characteristic of pediatric contact urticaria?
Which physical findings are characteristic of pediatric contact dermatitis?
Which physical findings are characteristic of pediatric irritant contact dermatitis?
Which physical findings are characteristic of pediatric allergic contact dermatitis?
Which physical findings are characteristic of pediatric photo contact dermatitis?
What are the possible complications of pediatric contact dermatitis?
DDX
Which conditions are included in the differential diagnoses of pediatric contact dermatitis?
What are the differential diagnoses for Pediatric Contact Dermatitis?
Workup
How is pediatric contact dermatitis diagnosed?
What is the role of patch testing in the workup of pediatric contact dermatitis?
What is the role of a dimethylgloxime (DMG) spot test in the workup of pediatric contact dermatitis?
What is the role of biopsy in the workup of pediatric contact dermatitis?
Which histologic findings are characteristic of pediatric contact dermatitis?
Treatment
How is pediatric contact dermatitis treated?
What is included in the ED care of pediatric contact dermatitis?
What is the role of irritant removal in the treatment of pediatric contact dermatitis?
What is the role of topical nonsteroidal therapy in the treatment of pediatric contact dermatitis?
What is the role of topical steroids in the treatment of pediatric contact dermatitis?
What is the role of systemic steroids in the treatment of pediatric contact dermatitis?
What is the role of antihistamines in the treatment of pediatric contact dermatitis?
Which activity modifications are used in the treatment of pediatric contact dermatitis?
Which specialist consultations are beneficial to patients with pediatric contact dermatitis?
What precautions are needed with regard to pediatric contact dermatitis when planning surgical care?
What are dietary considerations in pediatric contact dermatitis?
How is pediatric contact dermatitis prevented?
What is the role of barrier creams in the prevention of pediatric contact dermatitis?
What long-term monitoring is needed in pediatric contact dermatitis?
Guidelines
What are the guidelines for identification and management of nickel-allergic contact dermatitis?
Medications
What is the role of medications in the treatment of pediatric contact dermatitis?
-
Dry, fissured, pruritic eczema is frequently the result of excessive washing and very low humidity in cold climates. Irritant contact dermatitis is due to direct injury of the skin. In this patient, frequent handwashing and use of soap is the cause of damage to the protective layers of the upper epidermis. Patients should be educated about the cause of the dermatitis and instructed in methods of skin protection and care with emollients.
-
Nickel is the most frequent contact allergen in females older than 8 years, and allergy occurs in as many as 25% of females 14 years or older. Allergens, such as nickel, are impossible to completely avoid. Exposure can be reduced with careful instruction, but occult exposures may produce chronic or recurrent symptoms. Nickel in the watch and watch band produced this episode of allergic contact dermatitis.
-
Allergic reactions to rubber products are usually caused by antioxidants and accelerators added in the manufacturing process, rather than the rubber itself. Antioxidants help preserve the rubber, and accelerators help in the vulcanization process. Exposure to rubber in gloves, shoes, undergarments, tires, heavy-duty rubber goods, and sport goggles is common.
-
The typical eruption from poison ivy includes erythema, edema, papules, vesicles, and bullae. Linear streaks as in this patient are characteristic but are not always present. Initial yellow crusts are dried serum from ruptured bullous lesions and not evidence of infection. Oleoresin (urushiol), which exudes from damaged areas of poison ivy, poison oak, and poison sumac, turns black after exposure to air. Fresh oleoresin on the skin dries and may be observed as black smudges or spots.
-
When limes are squeezed into beverages, excess juice remains on the skin. Many other foods can cause similar reactions, i.e. the phytophotodermatitis. Sun exposure of this lime juice produces areas of dermatitis or hyperpigmentation. Perfumes are also common sources of photo contact dermatitis.
-
Most common moisturizers contain various additives and preservatives. The list of ingredients on this bottle is not uncommon, and most of these agents are capable of causing allergic contact dermatitis. Patch testing with dilute concentrations of the individual ingredients can be used to identify the agent that is a problem for any particular patient.
-
Areas of acute contact dermatitis respond well to cool compresses and wound care. Moist compresses are soothing, have a mild antipruritic effect, reduce serous drainage, and gently debride the wound. Clean water, isotonic sodium chloride solution, and Burow solution all can be used. Compresses should be kept moist at all times. Wet-to-dry compresses are painful and destroy fragile tissues. Following moist compress applications for 5-10 minutes, affected sites should be gently cleared of loose crusts and a thin coat of Vaseline or antibacterial ointment should be applied.
-
Urticaria, also known as hives or whelps, involves edematous pale or pink plaques. Agents can produce urticaria by immunologic reactions, by nonimmunologic reactions, or by unknown mechanisms. Nonimmunologic reactions are most common. Other types of environmentally associated urticaria must be excluded. This is an example of cold urticaria produced by application of an ice cube to the dorsum of the arm.
-
Prolonged use of moderate- to high-potency topical steroids may cause skin atrophy or steroid acne. This patient used a moderate-strength steroid, triamcinolone 0.1%, in this area for several weeks. Steroid acne, also called steroid rosacea, has a classic appearance with monomorphic erythematous papules. If the steroid is discontinued, the condition usually worsens. Patients must understand that symptoms worsen before they improve, and several weeks or months are required to taper off this steroid.
-
This purpuric reaction was noted after application of eutectic mixture of local anesthetics (EMLA) for 1 hour. EMLA cream is widely used as a local anesthetic for superficial procedures. Blanching and redness are commonly observed side effects. Dramatic purpuric reactions to EMLA, as in this patient, have been reported. Patch test results in these patients with the individual ingredients of EMLA cream, EMLA cream itself, placebo cream, and Tegaderm are negative. Apparently, the purpuric reaction is not of an allergic nature, but the cream may have a toxic effect on the capillary endothelium.