Antimicrobial Chemotherapy 3 Flashcards
<p>What has no action against fungi?</p>
<p>Most antibiotics</p>
<p>What are the classes of anti-fungal drugs?</p>
<p>Polyenes</p>
<p>Azoles</p>
<p>Allylamines</p>
<p>Echinocandins</p>
<p>How do polyenes act?</p>
<p>Bind to ergosterol in fungal cell wall and creates a pore</p>
<p>Also binds to other sterols such as cholesterol so are toxic</p>
<p>Why are polyenes toxic?</p>
<p>They bind to sterols such as cholesterol</p>
<p>What are examples of polyenes?</p>
<p>Amphotericin B</p>
<p>Nystatin</p>
<p>How do azoles act?</p>
<p>Inhibit the synthesis of ergosterol</p>
<p>What are examples of azoles?</p>
<p>Fluconazole</p>
<p>Itraconazole</p>
<p>Voriconazole</p>
<p>How do allylamines act?</p>
<p>Supress ergosterol synthesis but act at a different stage of the pathway than azoles (act earlier)</p>
<p>What is an example of an allylamine?</p>
<p>Terbinafine</p>
<p>How do echinocandins act?</p>
<p>Inhibit the synthesis of glucan polysaccharide</p>
<p>What are examples of echinocandins?</p>
<p>Caspofungin</p>
<p>Micafungin</p>
<p>Anidulafungin</p>
<p>How would you describe the number of viral diseases that are treatable?</p>
<p>Few are treatable</p>
<p>What is there none of in terms of treating viruses?</p>
<p>Virucial agents (kill the virus)</p>
<p>What do virucial agents do?</p>
<p>Kill the virus</p>
<p>What do virustatic agents do?</p>
<p>Inhibit the growth</p>