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Allergic Contact Dermatitis, Part 4

Review the PDF of the fact sheet on allergic contact dermatitis
with board-relevant, easy-to-review material. This month’s fact sheet will be the last in an ongoing series focusing on common allergens seen in practice and represents a high-yield topic for board examination purposes.

Practice Questions

1. The most common allergen of hand dermatitis in hairdressers can cross-react with which of the following allergens?

a. benzocaine
b. para-aminobenzoic acid
c. procaine
d. sulfanomides
e. all of the above

 

 

2. Patients with a documented allergy to quaternium-15 should avoid all of the following ingredients except:

a. bronopol
b. diazolidinyl urea
c. DMDM hydantoin
d. imidazolidinyl urea
e. paraben mix

 

 

3. Which of the following is a screening agent for hydrocortisone allergy?

a. budesonide
b. clobetasol
c. desoximetasone
d. paraben mix
e. tixocortol pivalate

 

 

4. This allergen often is found in black synthetic henna tattoos:

a. paraben mix
b. potassium dichromate
c. PPD
d. quaternium-15
e. thimerosol

 

 

5. A patient with a documented allergy to paraben mix also should avoid the following agent:

a. bronopol
b. diazolidinyl urea
c. DMDM hydantoin
d. PPD
e. thiuram mix

 

 

Practice Question Answers

1. The most common allergen of hand dermatitis in hairdressers can cross-react with which of the following allergens?

a. benzocaine
b. para-aminobenzoic acid
c. procaine
d. sulfanomides
e. all of the above

2. Patients with a documented allergy to quaternium-15 should avoid all of the following ingredients except:

a. bronopol
b. diazolidinyl urea
c. DMDM hydantoin
d. imidazolidinyl urea
e. paraben mix

3. Which of the following is a screening agent for hydrocortisone allergy?

a. budesonide
b. clobetasol
c. desoximetasone
d. paraben mix
e. tixocortol pivalate

4. This allergen often is found in black synthetic henna tattoos:

a. paraben mix
b. potassium dichromate
c. PPD
d. quaternium-15
e. thimerosol

5. A patient with a documented allergy to paraben mix also should avoid the following agent:

a. bronopol
b. diazolidinyl urea
c. DMDM hydantoin
d. PPD
e. thiuram mix

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Author and Disclosure Information

Dr. Doerfler is from the Department of Dermatology, Wake Forest University. Dr. Huang is Assistant Professor and Associate Program Director of Dermatology, Wake Forest University School of Medicine, Winston-Salem, North Carolina.

The authors report no conflict of interest.

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Author and Disclosure Information

Dr. Doerfler is from the Department of Dermatology, Wake Forest University. Dr. Huang is Assistant Professor and Associate Program Director of Dermatology, Wake Forest University School of Medicine, Winston-Salem, North Carolina.

The authors report no conflict of interest.

Author and Disclosure Information

Dr. Doerfler is from the Department of Dermatology, Wake Forest University. Dr. Huang is Assistant Professor and Associate Program Director of Dermatology, Wake Forest University School of Medicine, Winston-Salem, North Carolina.

The authors report no conflict of interest.

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Related Articles

Review the PDF of the fact sheet on allergic contact dermatitis
with board-relevant, easy-to-review material. This month’s fact sheet will be the last in an ongoing series focusing on common allergens seen in practice and represents a high-yield topic for board examination purposes.

Practice Questions

1. The most common allergen of hand dermatitis in hairdressers can cross-react with which of the following allergens?

a. benzocaine
b. para-aminobenzoic acid
c. procaine
d. sulfanomides
e. all of the above

 

 

2. Patients with a documented allergy to quaternium-15 should avoid all of the following ingredients except:

a. bronopol
b. diazolidinyl urea
c. DMDM hydantoin
d. imidazolidinyl urea
e. paraben mix

 

 

3. Which of the following is a screening agent for hydrocortisone allergy?

a. budesonide
b. clobetasol
c. desoximetasone
d. paraben mix
e. tixocortol pivalate

 

 

4. This allergen often is found in black synthetic henna tattoos:

a. paraben mix
b. potassium dichromate
c. PPD
d. quaternium-15
e. thimerosol

 

 

5. A patient with a documented allergy to paraben mix also should avoid the following agent:

a. bronopol
b. diazolidinyl urea
c. DMDM hydantoin
d. PPD
e. thiuram mix

 

 

Practice Question Answers

1. The most common allergen of hand dermatitis in hairdressers can cross-react with which of the following allergens?

a. benzocaine
b. para-aminobenzoic acid
c. procaine
d. sulfanomides
e. all of the above

2. Patients with a documented allergy to quaternium-15 should avoid all of the following ingredients except:

a. bronopol
b. diazolidinyl urea
c. DMDM hydantoin
d. imidazolidinyl urea
e. paraben mix

3. Which of the following is a screening agent for hydrocortisone allergy?

a. budesonide
b. clobetasol
c. desoximetasone
d. paraben mix
e. tixocortol pivalate

4. This allergen often is found in black synthetic henna tattoos:

a. paraben mix
b. potassium dichromate
c. PPD
d. quaternium-15
e. thimerosol

5. A patient with a documented allergy to paraben mix also should avoid the following agent:

a. bronopol
b. diazolidinyl urea
c. DMDM hydantoin
d. PPD
e. thiuram mix

Review the PDF of the fact sheet on allergic contact dermatitis
with board-relevant, easy-to-review material. This month’s fact sheet will be the last in an ongoing series focusing on common allergens seen in practice and represents a high-yield topic for board examination purposes.

Practice Questions

1. The most common allergen of hand dermatitis in hairdressers can cross-react with which of the following allergens?

a. benzocaine
b. para-aminobenzoic acid
c. procaine
d. sulfanomides
e. all of the above

 

 

2. Patients with a documented allergy to quaternium-15 should avoid all of the following ingredients except:

a. bronopol
b. diazolidinyl urea
c. DMDM hydantoin
d. imidazolidinyl urea
e. paraben mix

 

 

3. Which of the following is a screening agent for hydrocortisone allergy?

a. budesonide
b. clobetasol
c. desoximetasone
d. paraben mix
e. tixocortol pivalate

 

 

4. This allergen often is found in black synthetic henna tattoos:

a. paraben mix
b. potassium dichromate
c. PPD
d. quaternium-15
e. thimerosol

 

 

5. A patient with a documented allergy to paraben mix also should avoid the following agent:

a. bronopol
b. diazolidinyl urea
c. DMDM hydantoin
d. PPD
e. thiuram mix

 

 

Practice Question Answers

1. The most common allergen of hand dermatitis in hairdressers can cross-react with which of the following allergens?

a. benzocaine
b. para-aminobenzoic acid
c. procaine
d. sulfanomides
e. all of the above

2. Patients with a documented allergy to quaternium-15 should avoid all of the following ingredients except:

a. bronopol
b. diazolidinyl urea
c. DMDM hydantoin
d. imidazolidinyl urea
e. paraben mix

3. Which of the following is a screening agent for hydrocortisone allergy?

a. budesonide
b. clobetasol
c. desoximetasone
d. paraben mix
e. tixocortol pivalate

4. This allergen often is found in black synthetic henna tattoos:

a. paraben mix
b. potassium dichromate
c. PPD
d. quaternium-15
e. thimerosol

5. A patient with a documented allergy to paraben mix also should avoid the following agent:

a. bronopol
b. diazolidinyl urea
c. DMDM hydantoin
d. PPD
e. thiuram mix

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