Irritant contact subjective criteria

Onset within minutes to hours of exposure. Pain, burning, stinging or discomfort exceeding itching, onset w/in 2 wks of exposure, many people affected, sharp borders, evidence of gravitational influence, lack of tendency to spread

Irritant contact dermatitis associations

occupation (see if it clears when on vacation), water, soaps, detergents, wet work, solvents, greases, acids and alkalis, fiberglass, particulate dust, low humidity

Sensitization may be down-regulated in this type of dermatitis

atopic dermatitis. Patch testing is useful

Locations relatively resistant or uncommon in allergic contact dermatitis

scalp, palms, soles, mucous membranes

Systemic allergic contact dermatitis

After topical sensitization to an allergen, oral ingestion of the allergen causes diffuse reaction. Ex: using topical benedryl, and then later rxn to oral benedryl

poison ivy, poison oak, mango, lacquer tree, cashew nut (raw), indian marking nut, black varnish tree

poison ivy leaves note

if leaf is torn, it should be black along the tear due to oxidation

ACD compositae dermatitis

Parthenolide. Tansy, feverfew, pyrethrum, summer-exacerbated, sensitivity to flowers, photosensitivity

ACD associated with Alstromeria

Tuliposide A - mostly concentrated in the bulb

Chronic hand dermatitis should make you think of

rubber or latex. Get a RAS IgE test

Tanning agents may contain

trivalent chrome salts causing ACD chrome

Provocation use test or open test

Apply substance to antecubital fossa twice daily for one week. Can help distinguish irritant from allergic reaction and confirm allergic reaction

patch test indications

if the dermatitis is: chronic, recurrent, deterrent to work/life activities

Can you patch test acute dermatitis?

NO. Avoid testing, wait until it calms down. ANGRY BACK SYNDROME

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Derm Contact Dermati

Derm Contact Dermatitis

Question	Answer
Irritant contact subjective criteria	Onset within minutes to hours of exposure. Pain, burning, stinging or discomfort exceeding itching, onset w/in 2 wks of exposure, many people affected, sharp borders, evidence of gravitational influence, lack of tendency to spread
Irritant contact dermatitis associations	occupation (see if it clears when on vacation), water, soaps, detergents, wet work, solvents, greases, acids and alkalis, fiberglass, particulate dust, low humidity
Corrosive necrotizing effects of chromates	ICD chrome ulcers
Sensitization may be down-regulated in this type of dermatitis	atopic dermatitis. Patch testing is useful
Locations relatively resistant or uncommon in allergic contact dermatitis	scalp, palms, soles, mucous membranes
Systemic allergic contact dermatitis	After topical sensitization to an allergen, oral ingestion of the allergen causes diffuse reaction. Ex: using topical benedryl, and then later rxn to oral benedryl
Toxicodendron plants	poison ivy, poison oak, mango, lacquer tree, cashew nut (raw), indian marking nut, black varnish tree
poison ivy leaves note	if leaf is torn, it should be black along the tear due to oxidation
ACD compositae dermatitis	Parthenolide. Tansy, feverfew, pyrethrum, summer-exacerbated, sensitivity to flowers, photosensitivity
ACD associated with Alstromeria	Tuliposide A - mostly concentrated in the bulb
Chronic hand dermatitis should make you think of	rubber or latex. Get a RAS IgE test
When you seen splotches of red all over the face, consider	parabens
Oxybenzone is a allergen found in	Sunscreen
If someone is allergic to neomycin, don't give them	Bacitracin, gentamicin
Diffuse or patchy dermatitis over dorsal hands and fingers may be	rubber or latex allergy
Tanning agents may contain	trivalent chrome salts causing ACD chrome
Sorbic acid is found in	foods and pharmaceuticals
Provocation use test or open test	Apply substance to antecubital fossa twice daily for one week. Can help distinguish irritant from allergic reaction and confirm allergic reaction
patch test indications	if the dermatitis is: chronic, recurrent, deterrent to work/life activities
Can you patch test acute dermatitis?	NO. Avoid testing, wait until it calms down. ANGRY BACK SYNDROME

Created by: ltm12

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