Malassezia Flashcards Preview

Small Animal Internal Medicine > Malassezia > Flashcards

Flashcards in Malassezia Deck (22):
1

Which Malassezia species has both a yeast and mycelial phase?

Malassezia furfur

2

Is Malassezia patchydermatis lipophilic or non-lipophilic?

Lipophilic

3

In what breeds might you find Malassezia patchydermatis most commonly?

1. Basset hound
2. Dachshund
3. Boxer
4. American cocker spaniel

4

Malassezia dermatitis is typically a secondary problem. What 4 diseases are typically associated with this fungal infection?

1. Allergies
2. Endocrinopathies
3. Cornification disorders
4. Systemic illnesses

5

True or False: Malassezia is pruritic.

TRUE - progressively pruritic

6

What are the historical complaints associated with a Malassezia infection?

1. Licking feet
2. Rubbing face
3. Weight loss
4. Perianal pruritus
5. Otitis externa

7

Is Malassezia responsive to glucocorticoids?

Partially responsive, but that responsiveness wanes

8

What are the 4 differental diagnoses of intense pruritus in the dog?

1. Scabies
2. Malassezia dermatitis
3. Flea allergy dermatitis
4. Seborrhea

9

Of the 4 differential diagnoses of intense pruritus, which is most commonly seen?

Malassezia dermatitis

10

What are the key physical features associated with a Malassezia infection?

1. Pruritus
2. Erythema
3. Scaling
4. Crusting
5. Lichenification
6. Hyperpigmentation
7. Alopecia
8. Lymph node enlargement

11

For Malassezia, which treatment is best, topical or systemic?

Topical

12

___ ___ is used to reduce greasiness associated with Malassezia.

Selenium disulfide

13

How frequent should shampoo therapy be done to control Malassezia?

3 X weekly as a sole therapy

1-2 X weekly as adjunct therapy

14

What is the most important key to shampoo therapy with Malassezia?

Contact time

15

What are the ingredients in Mal-a-Ket?

1. Ketoconazole
2. Chlorhexidine
3. Acetic acid

16

What are the ingredients in Malacetic ultra?

1. Hydrocortisone
2. Ketoconazole
3. Acetic acid
4. Boric acid

17

What are the ingredients in Malaseb?

1. Miconazole
2. Chlorhexidine

18

What are the 4 systemic antifungals?

1. Ketoconazole
2. Itraconazole
3. Fluconazole
4. Terbinafine

19

What is the duration of treatment for a systemic antifungal?

21-30 days

20

What is the mechanism of action of ketoconazole?

P-glycoprotein inhibitor and P450

21

What are the 3 side effects associated with Terbinafine?

1. GI
2. Panting
3. Increased hepatic enzymes

22

True or False: Malassezia therapy should be discontinued after 30 days.

FALSE - therapy should never be completely discontinued.