Contact Dermatitis Flashcards
Name the formaldehyde releasing preservatives
quaternium-15, 2-Bromo-2-nitropropane-1,3-diol (Bronopol), Diazolidinyl urea (Germall II), Imidazolidinyl urea (Germall 115), DMDM hydantoin
Name the rubber accelerators
Thiuram, Mercaptobenzothiazole (MBT), Carba mix, Mercapto mix, Black rubber mis, Mixed dialkyl thioureas
Name the textile contact allergans
Disperse Blue 106, Ethylene urea melamine formaldehyde mix
Name the adhesive contact allergans
Epoxy resin (bisphenol A), Colophony (rosin, abietic acid), Cyanoacrylate (methyl or ethyl), Ethyl acrylate, Methacrylate (methyl or ethyl), p-tert-butylphenol formaldehyde resin
Name the sunscreen components that are contact allergans
Benzophenone-3, PABA (padimate O), Oxybenzone
Name the corticosteroid allergans
Tixocortol-21-pivalate (A), Budesonide (B), Hydrocortisone-17-butyrate (D)
Name the hair preparation allergans
Paraphenylenediamine (PPD), Monothioglycolate, Ammonium persulfate
What is the most common cosmetic preservative to cause ACD?
Quaternium-15
What is a common formaldehyde releasing agent in baby wipes?
Diazolidinyl urea (Germall II)
What rubber accelerator cross reacts with disulfiram?
Thiuram
What is the most common cause of allergic shoe dermatitis?
Mercaptobenzothiazole (MBT)
Repeated washing of clothes with bleach causes break down of elastic material causing dermatitis secondary to what?
Carba mix
What is the contact allergan found in super glue and dermabond?
Cyanoacrylate (methyl or ethyl)
What is the allergan in artificial nails, dental fillings/sealants and cement for artificial joints?
Methacrylate (Methyl or ethyl)
This may diffuse through surgical gloves and cause parasthesias?
Methacrylate (Methyl or ethyl)
PABA (padimate O) cross reacts with what and is found in what?
Cross reacts with sulfonamides, azo dyes, benzocaine, PPD and is found in sunscreen
What is the most common sunscreen agent to cause photoallergic contact dermatitis?
Oxybenzone
Name 3 group A steroids?
(tixocortol-21-pivalate) Hydrocortisone acetate, prednisone, methylprednisolone
Name 3 group B steroids and causative contactant?
(Budesonide) Triamcinolone acetonide, desonide, fluocinolone acetonide, fluocinonide, halcinonide
Name 3 group D corticosteroids and contactant?
(Hydrocortisone-17-butyrate) Hydrocortisone-17-valerate/butyrate, clobetasone-17-butyrate, clobetasol proprionate, betamethasone valerate/diproprionate
Paraphenylenediamine (PPD) cross reacts with what?
PABA, sulfonamides(thiazide and furosemide), benzocaiine and procaine
Ethylenediamine cross-reacts with what and is found in what?
Cross-reacts with hydroxyzine and aminophylline found in medical creams, antifreeze, and paint
What is the test used to detect nickel?
dimethylglyoxime test (Positive if turns pink) often co-sensitivity with cobalt
Uroshiol cross-reacts with what?
Japanese lacquer tree, cashew tree, mango tree, indian marking nut, brazilian pepper tree, gingko
