Contact Dermatitis Flashcards

1
Q

What type of hypersensitivity reaction is contact dermatitis?

A

Type 4

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2
Q

How long does a type 4 hypersensitivity take to “show”?

A

Typically 2-3 days

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3
Q

What anti-infective medication class commonly causes contact dermatitis?

A

Aminoglycosides

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4
Q

What are the 3 most common aminoglycosides?

A

Gentamicin
Tobramycin
Neomycin

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5
Q

What antiviral drug can cause contact dermatitis?

A

Trifluridine (Viroptic)

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6
Q

What preservatives commonly cause contact dermatits?

A

BAK

Thimerosol

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7
Q

What are the common symptoms of contact dermatitis?

A

Acute periorbital swelling
Redness
Itching
Tearing

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8
Q

What are the common signs of contact dermatitis?

A

Unilateral or bilateral erythema and crusting of the lid and periorbital tissues
Significant conj chemosis

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9
Q

What are all the types of common medications that can cause contact dermatitis?

A

Aminoglycosides
Mydriatics and cycloplegics
Glaucoma meds
Preservatives

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