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Dermatology > Contact Chemicals > Flashcards

Contact Chemicals Flashcards

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Dermatology Board Prep flashcards
1
Q

Cinnaminc Alcohol and aldehyde

A

Fragrance Mix

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2
Q

Hydroxycitronellal

A

Fragrance Mix

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3
Q

Isoeugenol

A

Fragrance Mix

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4
Q

Eugenol

A

Fragrance Mix–spicy odor of cloves

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5
Q

Oak moss absolute

A

Fragrance Mix–found in aftershave

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6
Q

alpha-amyl cinnamic aldehyde

A

Fragrance Mix

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7
Q

geraniol

A

Fragrance Mix

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8
Q

Frangrance mix

A

perfume, flavoring agents, toilet soap, bath tissue

Detects 70% of fragrance allergy

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9
Q

Gold

A

react also to nickel and cobalt

Jewelry, dentistry, electronics, treatment of RA, SLE

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10
Q

Cobalt

A

also react to gold and nickel. Strengthens metals

Jewelry, cosmetics and cement, hair dye, joint replacements, pottery

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11
Q

Imidazolidinyl urea=Germall 115=Tristat

A

formaldehyde-releaser. Antimicrobial preservative used in cosmetics.
cross reacts with formaldehyde and diazolidinyl urea. In OTC meds, cosmetics, lotions

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12
Q

Lanolin

A

wool alcohol, wax and fat
adhesive, emollient, cosmetic, topicals, soap
Common allergy in leg ulcer patients

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13
Q

Methylchloroisothiazinolone=Kathon CG=

5-chloro-2-methyl-4-isothiazolin-3-one (MCI/MI)

A

Preservative in cosmetic and shampoo–antibacterial shampoo. , cause airborne ACD
Perms, cosmetics, hair product, industrial water, latex emulsion, moist toilet paper, mascara

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14
Q

Neomycin

A

xrt to aminoglycosides, allergy to bacitracin coexists usually
ABX ointment, hemorroidal cream, ear and eye drops

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15
Q

Nickel sulfate

A

Costume jewelry, buckles and snaps. Use dimethylglyoxime test
Most common allergen
Co-sens with cobalt

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16
Q

Para-Phenylenediamine

A

permanent hairdye, hairdye, ink, photodeveloping soln, henna tattoo, temporary tattoo
Causes purpuric CD.
xrt-paba, sulfa, azo-aniline dye, procaine, benzocaine
Dermatitis on eyelid, helix, hands

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17
Q

Para-Tert-Butylphenol Formaldehyde Resin

A

Can cause depigmentation. Lether/rubber adhesive.

soes, watch straps, glue, plywood, dental bonding, rubber, raincoat

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18
Q

Quatrnium 15=Dowicil 200

A

Formaldehyde releaser
Not all allergic to this are allerg to formaldehyde
Most common cosmetic preservative to cause ACD. Personal care products, cleaners, creams, shampoo, topical meds, metal working fluids

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19
Q

Rosin=colophony

A

aka abietic acid–pinus tree

glossy paper, fly paper, pain, epiation wax, varnish, violin bow, chewing gum

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20
Q

Themerosal–merthiolate

A

Preserv in vaccines, eyedrop, nasal spray
xrt with piroxicam, mercury. Contact lens soln, antiseptic. Increased photosens with piroxicam if patient with postive reaction to thimerasol

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21
Q

Chromate

A

green felt of pool table, leather, cement

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22
Q

Thiuram mix

A

Rubber in shoes, rubber gloves, elastic, fungicides, paints. in condoms, adhesives, diaphragms, repellents
Cross reacts with disulfiram
Has 4 chemicals

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23
Q

Dimethyl Fumarate

A

In Sachets to prevent mold on furniture

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24
Q

Benzalkonium chloride (Quaternium-15)

A

Baby wipes, skin disinfectant (optho soon), cosmetics

Eye drops–eyelid dermatitis

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25
Q

Ethylenediamine

A

preservative, xrt with hydroxyzine and aminophylline
Leads to baboon syndrome
Medical cream, antifreeze, paint

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26
Q

Glutaraldehyde

A

cold sterilizers (med/dental equipment), disinfectant,tan shoe leather

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27
Q

Cocamidopropyl betaine

A

amidoamine in shampoo, cosmetics

Hair and bath products (surfactant)

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28
Q

d-limonene

A

tea tree oil (melaleuca plant)

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29
Q

Class B and D Steroid Test

A

Test with budesonide
B-triam acetonide, desonide, fluocinolone, fluocinonide, halcinonide group
D-Hydrocortisone-17-butyrate/valerate, clobetasone, betamethasone valerate/diproponate

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30
Q

Class A Steroid Test

A

Tixocortol-21-pivalate(test for hc and pred allergy)

A-hydrocortisone, prednisone, methylprednisolone group

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31
Q

(MBT) 2-mercaptobenzothiazole

A

Most common cause of allergic shoe dermatitis

Rubber products, tires, antifreeze, cutting oil, electrical cords, fungicides, Spandex

32
Q

Glycerol monothioglycolate=mercaptoacetic acid

A

acid permanent wave
Neoprene gloves are protective–not rubber gloves
AKA: mercaptoacetic acid

33
Q

Tosylamide formaldehyde resin

A

Nail polish–dermatitis around nails–also known as toluene

34
Q

Ethyl acetate

A

Non acetone nail polish remover

35
Q

disperse blue dye 106

A

Clothing dye (bed linens, blue dye, clothing, tights, garment lining), textile allergy

36
Q

Methyl-dibromoglutaronitrile phenoxylethanol

A

Preservative/Cosmetics

37
Q

Carba Mix

A

Leather shoes, tires, fungicides, cosmetic applicators, gloves, adhesives, elastic, barrier contracepties. May xrxt with thiuram derivatives. Rubber, latex products
Repeated washing of elastic with hypochlorite (bleach) will increase the allergenic nature–“elastic dermatitis” or “bleached rubber syndrome”. But patch test negative for rubber accelerators

38
Q

Ethyleneurea melamine formaldehyde mix

A

Permanent press clothing (wrinkle-resistant) Textile additive, formaldehyde resin
Textile dermatitis occurs where clothing fits tightly (post neck, upper back, lateral thorax, axillae, waistband, flexor surfaces) +- purpuric contact dermatitis

39
Q

Propylene glycol

A

Preservative/Cosmetics-topical meds(vehicle), cosmetics, emollients, antifreeze

40
Q

2-bromo-2-nitropropane-1,3-diol (Bronopol)

A

Formaldehyde releasing preservative in personal care products and variety of industrial applications

41
Q

potassium dichromate

A

CEMENT dermatitis, Metal, clean glassware, Leather (footwear). plaster, wood finish, green felt of pool table

42
Q

Sodium laurel sulfate

A

soaps, cleansers

43
Q

Beryllium

A

Occupational disease

44
Q

Ethyl Cyanoacrylate (or methyl)

A

Crazy glue, dermabond

45
Q

Class C steroid

A

Betametasone type, not valerate

46
Q

Benzophenone-3

A

Sunscreen, rubber products, cosmetics

47
Q

Myroxilon pereirae

A

Balsm of Peru

48
Q

Diazolidinyl urea (Germall II)

A

Formaldehyde releasing preservative; in personal care products esp. bubble baths, baby wipes and household detergents.

49
Q

DMDM hydantoin

A

Formaldehyde releasing antimicrobial preservative used in cosmetics like shampoo, hair conditioners and skin care products

50
Q

Mercapto mix

A

Tires, elastic, rubber gloves, electrical cords, rubber soles of shoes

51
Q

Black rubber mix

A

Heavy-use rubber products such as tires, hoses, cables and belts

52
Q

Mixed dialkyl thioureas

A

Neoprene rubber (wetsuit), goggles, elastic, paint remover, shoe insoles

53
Q

Epoxy resin (bisphenol A)

A

Glues, plastics, electrical insulation, paint and primer

54
Q

Ethyl acrylate

A

artificial nail (adhesive)

55
Q

Methacrylate (methyl or ethyl)

A

Artificial nails, dental fillings/sealants, hearing aids, hard contact lens, bone cement, acrylic denture material
Can diffuse through intact surgical glove and cause paresthesias

56
Q

PABA (Padimate O)

A

UVB sunscreen. could xrt with sulfonamides, azo dyes, benzocaine, PPD

57
Q

Oxybenzone

A

UVA sunscreen. Most common sunscreen to cause photo allergic contact dermatitis.

58
Q

Ammonium persulfate

A

Hair bleach, bleaching agent in flour

59
Q

Bacitracin

A

Topical abx ointment, otic and optho gtts

60
Q

Balsam of Peru

A

Naturally occurring fragrance, found in topical medications

61
Q

Benzocaine, tetracaine

A

Local ester anesthetic. Xrt with PABA, PPD and sulfonamides

62
Q

Euxyl K400

A

Cosmetic and household products (preservative)

63
Q

Formaldehyde

A

Textile resins (wrinkle-free clothing), cosmetics, tissue fixative, embalming solution, paints, disinfectants, medication

64
Q

Paraben Mix

A

Cosmetics, topical meds (vehicle), antifreeze

65
Q

Tocopherol acetate

A

Vitamin E

66
Q

Toluene sulfonamide

A

Nail polish (eyelid dermatitis/periungual dermatitis)

67
Q

Tosylamide sulfonamide formaldehyde resin

A

Nail polish (eyelid dermatitis/periungual dermatitis)

68
Q

Mercury

A

Thimerosal

Amalgam

69
Q

Cobalt

A

Adds hardness and strength to metals
Hair dye, flypaper, B12, blue tattoo
Poral reaction–violaceous dots (not allergy but allergen in acrosyringia)

70
Q

Ethylcyanoacrylate

A

Nail glue/acrylics (Krazy glue)

71
Q

Bacitracin

A

Contact urticarial and anaphylaxis more common with bacitracin than other antibiotics

72
Q

carene

A

Turpentine

73
Q

methyl methacrylate

A

Artificial nails, dental work “numb fingers in dentist”

74
Q

ethyl acetate

A

non acetone nail polish remover, like acetone

75
Q

toluene

A

nail polish

Dermatology (20 decks)

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