Ch. 42 Flashcards

1
Q

An opportunistic fungal infection that occurs in patients taking broad-spectrum antibiotics, antineoplastics, or immunosuppressants, as well as in immunocompromised persons.

A

Candidiasis (caused by Candida albicans)

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2
Q

When candidiasis occurs in the mouth it is commonly referred to as ______. Commonly seen in newborns or immunocompromised persons.

A

Thrush or oral candidiasis

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3
Q

A yeast infection and occurs most commonly in individuals with diabetes mellitus, women taking oral contraceptives, and pregnant women.

A

Vaginal candidiasis

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4
Q

casofungin

A

Systemic Antifungal

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5
Q

ketoconazole

Drug class?

A

Imidazole (Systemic Antifungal)

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6
Q

clotrimazole

A

Topical Antifungal

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7
Q

miconazole

A

Topical Antifungal

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8
Q

Polyenes

A
nystatin (Topical Antfungal)
amphotericin B (Systemic Antifungal)
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9
Q

Triazoles

A

fluconazole (Systemic Antifungal)
itraconazole
voriconazole

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10
Q

Echinocandins

A

caspofungin

micafungin

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11
Q

MOA: Taken up by fungal cells and interferes with DNA

synthesis. Result: fungal cell death

A

flucytosine

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12
Q

Disrupts cell division, results inhibited fungal mitosis (reproduction)

A

griseofulvin

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13
Q

MOA: Bind to sterols in cell membrane. Result: fungal cell death. Do not bind to human cell membranes or kill
human cells

A

Polyenes (amphotericin B and nystatin)

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14
Q

Inhibit fungal cell cytochrome P-450 enzymes,
resulting in cell membrane leaking. Lead to altered cell membrane. Result: altered cellular metabolism and fungal cell
death

A

Imidazoles and triazoles (ketoconazole,

fluconazole, itraconazole, voriconazole)

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15
Q

Prevent the synthesis of glucans, which are
essential components of fungal cell walls.
Causes fungal cell death

A

Echinocandins (caspofungin, micafungin)

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16
Q
Adverse Effects: Fever, Chills, Cardiac dysrhythmias, Nausea and GI upset, Renal toxicity,
Headache,
Malaise,
Hypotension,
Tingling, numbness in hands and feet,
Lowered potassium and magnesium levels
A

amphotericin B

17
Q

Adverse Effects: Nausea, vomiting, diarrhea, stomach pain, increased liver enzymes. Use with caution in patients with renal and liver
dysfunction

A

fluconazole

18
Q

Nausea, vomiting, anorexia, diarrhea, local irritation,

rash

A

nystatin

19
Q

What are the contraindications for use of antifungal medications?

A

Liver failure, renal failure, porphyria (griseofulvin), and drug allergy