Beta-Lactam Antibiotics Penicillins Flashcards

1
Q

What were the mechanisms of resistance for bugs?

A
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2
Q

What are the two component structures of beta lactams?

A
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2
Q

What is the difference between gram positive and gram negative bacteria?

A
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3
Q

What is the MOA of penicillins?

A
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4
Q

What are the mechanisms of resistance?

A
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5
Q

What are beta lactamases?

A
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6
Q

What are natural penicillins, aminopenicillins, and carboxy and ureido penicillins

A
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7
Q

What are beta lactamase inhibitors?

A
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8
Q

What is the spectrum of activities for “Natural” penicillins

A
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9
Q

Tell me about penicillinase resistant PCNs

A
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10
Q

What is the spectrum of activity for AminoPenicillins? (Ampicillin and Amoxicillin)

A
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11
Q

What is the spectrum of activity for AminoPenicillins with a betalactamase inhibitor? (Unasyn, Clavulanic Acid)

A

Acinetobacter and MAYBE b frag coverage

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12
Q

What is the spectrum of activity for Ureidopenicillin? (Pip/Tazo “zosyn”)

A

Acinetobacter, pseudomonas, and B. fragilis coverage

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13
Q

What are the pharmacokinetics for penicillin

A
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14
Q

How do beta lactams distribute in the body?

A
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15
Q

Give me the dosing for penicillins

A
16
Q

Give me a run down for betalactamase inhibitor dosing

A
17
Q

Give me the dosages for Unasyn and Zosyn

A
18
Q

What are considerations to keep in mind when dose adjusting?

A
19
Q

What are the implications of penicillin allergies?

A
20
Q

What are some cutaneous clinical manifestation

A
21
Q

What are IgE mediated reactions when it comes to penicillins?

A

Angioedema and anaphylaxis is deadly

22
Q

Tell me about t cell mediated reactions

A
23
Q

Whats the difference between allergic vs adverse reactions

A

Always document ur findings btw

24
Q

Tell me about the penicillin skin test and its contraindications

A
25
Q

Tell me about drug challenge

A
26
Q

Tell me about antibiotic desensitization

A
27
Q

What are some adverse effects to penicillins I should watch out for

A

Jarisch-Herxheimer rxn from PCN treatment for syhphilis

28
Q

Give me some drug interactions for piperacillin + aminoglycosides, and B-lactam x 2 combos

A
29
Q

How do penicillins interact with oral contraceptives?

A