Fungal Skin Infections

Question 1

Tinea pedis
Tinea unguium
Tinea corporis
Tinea cruris
Tinea capitis

Which is athletes foot?

Answer 1

Tinea pedis

Question 2

Tinea pedis
Tinea unguium
Tinea corporis
Tinea cruris
Tinea capitis

Which is jock itch?

Answer 2

Tinea cruris

Question 3

Tinea pedis
Tinea unguium
Tinea corporis
Tinea cruris
Tinea capitis

Which one affects nails?

Answer 3

Tinea unguium

Question 4

Tinea pedis
Tinea unguium
Tinea corporis
Tinea cruris
Tinea capitis

Which one affects the body?

Answer 4

Tinea corporis

Question 5

Tinea pedis
Tinea unguium
Tinea corporis
Tinea cruris
Tinea capitis

Which one affects the scalp?

Answer 5

Tinea capitis

Question 6

Tinea pedis
Tinea unguium
Tinea corporis
Tinea cruris
Tinea capitis

Which one can not be treated via self-care?

Answer 6

Tinea unguium + Tinea capitis

Question 7

Tinea pedis
Tinea unguium
Tinea corporis
Tinea cruris
Tinea capitis

Which is the most prevalent?

Answer 7

Tinea pedis

Question 8

How is tinea unguium treated?

Answer 8

Terbinafine, itraconazole, or surgery

Question 9

Tinea cruris is more common in the (warmer/colder) weather

Answer 9

Warmer

Question 10

What are the general fungi species?

Answer 10

1. Trichophyton
2. Microsporum
3. Epidermophyton

Question 11

Trichophyton
Microsporum
Epidermophyton

Which does not affect the scalp?

Answer 11

Epidermophyton

Question 12

Trichophyton
Microsporum
Epidermophyton

Which one does affect the scalp?

Answer 12

Trichophyton + Microsporum

Question 13

Trichophyton
Microsporum
Epidermophyton

Which one primarily affects body?

Answer 13

Microsprum

Question 14

Trichophyton
Microsporum
Epidermophyton

Which one affect the nail, feet, groin, and sometimes body?

Answer 14

Trichophyton

Question 15

What is the most common complaint of these fungal infections?

Answer 15

Itching

Question 16

What are the two factors of dermatophyte exposure and ioculation?

Answer 16

Size + lesion duration

Question 17

Which tinea does NOT have FDA approved OTC products for self-treatment?

A. Pedis
B. Cruris
C. Capitis
D. Corporis

Answer 17

C. Capitis

Question 18

Tinea pedis
Tinea unguium
Tinea corporis
Tinea cruris
Tinea capitis

Which one has 4 variants?

Answer 18

Tinea Pedis

Question 19

In the first variant of tinea pedis, what kind of bacteria might make it worse?

Answer 19

Gram negative

Question 20

How should you treat tinea unguium?

Answer 20

Nail revitalizer (not anti-fungal) apply over entire nail, scrub for 1 min, dry it repeat daily for 3 weeks

Question 21

An exclusion would be treatment for ___ weeks with not improvement of ___ weeks with tolnaftate

Answer 21

> 4 + 6

Question 22

When should you use aluminum acetate?

Answer 22

To soak or compress; to dry vesicles and weeping; use TID for 1 wk before starting anti-fungal

Question 23

When should you stop using antifungals?

Answer 23

Entire 4 weeks, not when it looks better

Question 24

FDA approval of antifungals require what to demonstrate effectiveness

Answer 24

1 well designed clinical trial

Question 25

Clotrimazole and Micronazole are (fungistatic/fungicidal)

Answer 25

Both

Question 26

Terbinafine is (fungistatic/fungcidal)

Answer 26

Fungicidal

Question 27

How often should you apply clotrimazole / miconazole?

Answer 27

BID for 4 wks; jock itch = 2 wks

Question 28

What drug interaction does clotrimazole / miconazole has?

Answer 28

Warfarin

Question 29

How often should you apply Terbinafine?

Answer 29

1. BID for 4 wks; 2. Between toes = 1 wk, 3. Soles of feet = 2 wks, 4. Jock itch, or body = QD for 1 wk

Question 30

Butenafine is (fugistatic/fungicidal)

Answer 30

Fungicidal

Question 31

How often should you apply Butenafine?

Answer 31

1. Athletes foot: BID for 1 wk, then QD for 4 wks | 2. Jock itch + body ringworms: QD for 2 wks

Question 32

What is the only FDA approved RX for preventing and treating tinea infections?

Answer 32

Tolnaftate

Question 33

Tolnaftate (solution/cream) is better in the cold because it solidifies and liquefies when warm

Answer 33

solution (1%)

Question 34

How should you use Aluminum Salts (Domeboro packets)?

Answer 34

Soak foot for 20 min TID; dont use for too long as it can cause tissue necrosis

Question 35

What is a keratolytic agent that you could recommend?

Answer 35

Whitfield's Ointment; enhances skin penetration of anti-fungal. Should be used on thicker skin