Antibiotic Basics

Question 1

What bacteria are covered by Penicillin G/VK/benathine?

Answer 1

1. Viridans strepococci
2. Strep pyogenes
3. Oral anaerobes
4. Syphilis
5. Leptospira

Question 2

What bacteria are covered by ampicillin and amoxicillin?

Answer 2

1. Viridans strepococci
2. Strep pyogenes
3. Oral anaerobes
4. Syphilis
5. Leptospira
6. E. coli
7. Lyme
8. G-: HELPS

Question 3

What are the HELPS bacteria?

Answer 3

H. influenzae
E. coli
Listeria
Proteus
Salmonella

Gram negative coverage by amp/amox

Question 4

What are the HELPS bacteria?

Answer 4

H. influenzae
E. coli
Listeria
Proteus
Salmonella

Gram negative coverage by amp/amox

Question 5

Name the penicillinase resistant penicillins (PRPs)

Answer 5

Methacillin, oxacillin, cloxacillin, dicloxacillin, nafcillin

Question 6

What do the PRPs cover?

Answer 6

1. Skin infections (cellulitis, impetigo, eryspielas)- MSSA
2. Endocarditis, meningitis and bacteremia from staphylococci
3. Osteomyelitis and septic arthritis after sensitivities

Question 7

What do the PRPs cover?

Answer 7

1. Skin infections (cellulitis, impetigo, eryspielas)- MSSA
2. Endocarditis, meningitis and bacteremia from staphylococci
3. Osteomyelitis and septic arthritis after sensitivities

Question 8

Name the third category of penicillins, what do they cover?

Answer 8

1. Piperacillin
2. Ticaracillin
3. Azlocillin
4. Mezlocillin

Gram negative bacilli (e. coli and proteus) and pseudomonads, cover streprococci only with beta lactamase inhibitor

Question 9

Piperacillin is the best initial therapy for what?

Answer 9

1. Ascending cholangitis/cholecystitis
2. Pyelonephritis
3. Hospital acquired/ventilator pneumonia
4. Gram negative bacteremia

Question 10

Piperacillin is the best initial therapy for what?

Answer 10

1. Ascending cholangitis/cholecystitis
2. Pyelonephritis
3. Hospital acquired/ventilator pneumonia
4. Gram negative bacteremia