Anti-fungal Flashcards

1
Q

Dermatophyte (tinea) Infections - areas effected

A

Skin, hair, and nails

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2
Q

Dermatophyte (tinea) Infections - type

A

Filamentous fungi in the generaTrichophyton,Microsporum,andEpidermophyton

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3
Q

Dermatophyte (tinea) Infections - subtypes

A

Tinea corporis– Infection of body surfaces other than the feet, groin, face, scalp hair, or beard hair
Tinea pedis– Infection of the foot
Tinea cruris– Infection of the groin
Tinea capitis– Infection of scalp hair
Tinea unguium (dermatophyte onychomycosis)– Infection of the nail

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4
Q

Treatment is either

A

Topical or systemic

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5
Q

most can be treated with

A

Most can be treated with topical therapy with agents such as azoles, allylamines,butenafine,ciclopirox, andtolnaftate

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6
Q

Nystatin - effective

A

Nystatin – effective for Candida infections but not dermatophytes

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7
Q

Oral agents used for

A

Oral agents used for extensive for refractory cutaneous infections

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8
Q

Tinea Pedis - What is common

A

Athlete foot – common

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9
Q

Tinea Pedis - common causes

A

Common causes areTrichophyton rubrum,Trichophyton interdigitale(formerlyTrichophyton mentagrophytes), andEpidermophyton floccosum

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10
Q

Tinea Pedis topical drugs

A

Topical drugs - azoles, allylamines,butenafine,ciclopirox,tolnaftate, and amorolfine

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11
Q

Tinea Pedis Topical is applied

A

Topical – applied once or twice daily, continue for 4 weeks

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12
Q

Tinea Pedis oral therpaies

A

Oral therapy –
Terbinafine: 250 mg per day for two weeks
Itraconazole: 200 mg twice daily for one week
Fluconazole: 150 mg once weekly for two to six weeks

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13
Q

Tina Corporis - Occurs in the sites other than the

A

Occurs in sites other than the feet, groin, face, or hand

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14
Q

Tina Corporis common cause

A

T. rubrumis the most common cause of tinea corporis. Other notable can includeTrichophyton tonsurans,Microsporum canis,T. interdigitale(formerlyT. mentagrophytes),Microsporum gypseum,Trichophyton violaceum, andMicrosporum audouinii.

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15
Q

Tina Corporis topical

A

Topical - azoles, allylamines,butenafine,ciclopirox, andtolnaftate

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16
Q

Tina Corporis - Topicl once or twice

A

Systemic – extensive skin involvement and patients with fail topical
Terbinafine and itraconazole are common

17
Q

Tina Corporis - systemic

A

Systemic – extensive skin involvement and patients with fail topical
Terbinafine and itraconazole are common

18
Q

Tinea Cruris - example

A

Jock itch

19
Q

Tinea Cruris - common cause

A

Common cause – T. rubrum. Other – E. floccosumandT. interdigitale(formerlyT. mentagrophytes)

20
Q

Tinea Cruris topical

A

Topical drugs - azoles, allylamines,butenafine,ciclopirox,and tolnaftate

21
Q

Tina Capitis - common

A

Scalp hair – often small children

22
Q

Tina Capitis - oral

A

Oral anti-fungal therapy

23
Q

Tina Capitis - cause

A

TrichophytonandMicrosporumspecies of dermatophyte fungi

24
Q

Tina Capitis systemic

A

Systemic therapy - griseofulvin,terbinafine,fluconazole, anditraconazole

25
Q

Candida Infections - example

A

Oropharyngeal infections (thrush)

26
Q

Candida Infections - infants

A

Infants, older adults, ICS use

27
Q

Candida Infections HIV NEG

A

HIV negative –
Clotrimazole troches
Nystatin swish and swallow

28
Q

Candida Infections - HIV POS

A

HIV positive
Topical agents – mild
Oral fluconazole – moderate to severe

29
Q

Candida Vulvovaginitis

A

Inflammation in the setting of Candida Species

30
Q

Antifungals: Precautions - Topical

A

Few contraindications because of minimal absorption

Most are pregnancy category B

31
Q

Antifungals: Precautions - Systemic

A

All should be used cautiously in patients with liver problems.
Griseofulvin has possible cross-sensitivity with penicillin

32
Q

Topical Antifungals - ADR

A

Skin irritation, itching, burning, rash

Gentian violet: may cause staining of skin and clothing

33
Q

Topical Antifungals - Interactions

A

Few interactions with topical antifungals
Theoretical interaction with azoles and amphotericin B
Clotrimazole intravaginal preparations: should not be administered concurrently with nonoxynol-9 and octoxynol
Systemic antifungals: have a number of interactions