Basic AB rules - PASSMED Flashcards Preview

Year 3 Medicine Block > Basic AB rules - PASSMED > Flashcards

Flashcards in Basic AB rules - PASSMED Deck (30)
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1
Q

Exacerbations of chronic bronchitis

A

Amoxicillin or tetracycline or clarithromycin

2
Q

Uncomplicated community-acquired pneumonia

A

Amoxicillin (Doxycycline or clarithromycin in penicillin allergic, add flucloxacillin if staphylococci suspected e.g. In influenza)

3
Q

Pneumonia possibly caused by atypical pathogens

A

Clarithromycin

4
Q

Hospital-acquired pneumonia

A

Within 5 days of admission: co-amoxiclav or cefuroxime

More than 5 days after admission: piperacillin with tazobactam
OR a broad-spectrum cephalosporin (e.g. ceftazidime)
OR a quinolone (e.g. ciprofloxacin)

5
Q

Lower urinary tract infection

A

Trimethoprim or nitrofurantoin. Alternative: amoxicillin or cephalosporin

6
Q

Acute pyelonephritis

A

Broad-spectrum cephalosporin or quinolone

7
Q

Acute prostatitis

A

Quinolone or trimethoprim

8
Q

Impetigo

A

Topical hydrogen peroxide, oral flucloxacillin or erythromycin if widespread

9
Q

Cellulitis

A

Flucloxacillin (clarithromycin, erythromycin or doxycycline if penicillin-allergic)

10
Q

Cellulitis (near the eyes or nose)

A

Co-amoxiclav (clarithromycin, + metronidazole if penicillin-allergic)

11
Q

Erysipelas treatment

A

Flucloxacillin* (clarithromycin, erythromycin or doxycycline if penicillin-allergic)

12
Q

Animal or human bite

A

Co-amoxiclav (doxycycline + metronidazole if penicillin-allergic)

13
Q

Mastitis during breast-feeding

A

Flucloxacillin

14
Q

Throat infections

A

Phenoxymethylpenicillin (erythromycin alone if penicillin-allergic)

15
Q

Sinusitis

A

Phenoxymethylpenicillin

16
Q

Otitis media

A

Amoxicillin (erythromycin if penicillin-allergic)

17
Q

Otitis externa**

A

Flucloxacillin (erythromycin if penicillin-allergic)

**a combined topical antibiotic and corticosteroid is generally used for mild/moderate cases of otitis externa

18
Q

Periapical or periodontal abscess

A

Amoxicillin

19
Q

Gingivitis: acute necrotising ulcerative

A

Metronidazole

20
Q

Gonorrhoea

A

Intramuscular ceftriaxone

21
Q

Chlamydia

A

Doxycycline or azithromycin

22
Q

Pelvic inflammatory disease

A

Oral ofloxacin + oral metronidazole or intramuscular ceftriaxone + oral doxycycline + oral metronidazole

23
Q

Syphilis

A

Benzathine benzylpenicillin or doxycycline or erythromycin

24
Q

Bacterial vaginosis

A

Oral or topical metronidazole or topical clindamycin

25
Q

Clostridium difficile

A

First episode: oral vancomycin

Second or subsequent episode of infection: oral fidaxomicin

26
Q

Campylobacter enteritis treatment

A

Clarithromycin

27
Q

Salmonella (non-typhoid)

A

Ciprofloxacin (quinolone)

28
Q

Shigellosis

A

Ciprofloxacin

29
Q

What are general rules for giving peri-op AB (quesbook)

A

Any surgery where a prosthesis is implanted (e.g. hip replacement)
Contaminated or dirty procedures
Thoracic procedures
Most upper, lower GI and hepatobiliary operations (except laparoscopic cholecystectomy).
Urological procedures
Open fracture repairs
Vascular surgery

Antibiotics should be given intravenously within 1 hour before the incision.

30
Q

A 67-yr man has a 3-day hx of productive cough + shortness of breath. X-ray imaging - LLL consolidation. Prescribed co-amoxiclav 1.2g IV and clarithromycin 500mg BD.

Which one of the following of his regular medications needs to be temporarily stopped?

Metformin
statin
levothyroixne 
indapamide 
Dapagliflozin
A

statin must be stopped when macrolide AB is started

Metformin only if renal function declined

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