Contact Dermatitis Flashcards
What type of hypersensitivity reaction is contact dermatitis?
Type 4
How long does a type 4 hypersensitivity take to “show”?
Typically 2-3 days
What anti-infective medication class commonly causes contact dermatitis?
Aminoglycosides
What are the 3 most common aminoglycosides?
Gentamicin
Tobramycin
Neomycin
What antiviral drug can cause contact dermatitis?
Trifluridine (Viroptic)
What preservatives commonly cause contact dermatits?
BAK
Thimerosol
What are the common symptoms of contact dermatitis?
Acute periorbital swelling
Redness
Itching
Tearing
What are the common signs of contact dermatitis?
Unilateral or bilateral erythema and crusting of the lid and periorbital tissues
Significant conj chemosis
What are all the types of common medications that can cause contact dermatitis?
Aminoglycosides
Mydriatics and cycloplegics
Glaucoma meds
Preservatives