Contact dermatitis is an itchy rash or skin inflammation caused by exposure to physical or chemical irritants.
It is a delayed hypersensitivity reaction, and it may take several days for a red, itchy rash to appear following exposure. Common allergens include
· Preservatives
· Fragrances
· Acrylate allergy associated with nail cosmetics
· Watches and jewelry made from gold or nickel
· Poison ivy or poison oak
· Cosmetic products
It is most common type of dermatitis. Rash may occur within minutes or hours or several days after exposure to toxic substances. Common causes of irritant dermatitis are:
· Detergents or soaps
· Occupational irritants
· Bleach
· Battery acids
· Drain cleaner
· Resins or plastics
· Hair products like dyes, shampoos, and bath products
· Solvents such as thinners, kerosene
Symptoms of contact dermatitis
· Blisters that may ooze fluids
· Erythema (Redness)
· Dry, flaky, scaly skin
· Vesicles and bullae
· Itching
· Burning skin
· Swelling
· Blotchy rashes
· Red, raised bumps (Hives)
· Creases on the palms of the hands
How is Eczema diagnosed?
· Clinical examination
· Patch testing
· PUT (Provocative Use Test)/ ROAT (Repeated Open Application test)
· Skin biopsy
Treatment and Medication may include:
· Topical corticosteroids
· Calcineurin inhibitors
· JAK inhibitors
· Oral immunosuppressants
· Biologic
· Phototherapy
· Oral antihistamine
Talk to your healthcare practitioner about how to identify the root cause, minimize exposure, and avert reactions as contact dermatitis can be extremely painful and uncomfortable.