Infections Flashcards
UTI first line treatment
Nitrofurantoin or trimethoprim
UTI course length
3 days 7 days (men, pregnancy, catheter)
UTI treatment in pregnancy
1st line: Nitrofurantoin (avoid at term)
2nd line: Amoxicillin or Cefalexin
UTI second line treatment
Fosfomycin
Pivmecillinam
Amoxicillin (only if culture susceptible)
Meningitis
1st line: Benzylpenicillin
2nd line: Cefotaxime
3rd line: Chloramphenicol
TB initial phase
Rifampicin
Isoniazid ( + pyridoxine)
Pyrazinamide
Ethambutol
2 MONTHS
TB continuation phase
Rifampacin + Isoniazid ( + pyridoxine)
MRSA
Vancomycin
Teicoplanin
Tetracyclines
Linezolid
Cellulitis first line treatment
Flucloxacillin
Cellulitis second line treatment
Clarithromycin
Erythromycin
Doxycycline
CAP (mild)
1st line: Amoxicillin
2nd line: Doxycycline, Clarithromycin or Erythromycin
5 DAYS
CAP (moderate)
1st line: Amoxicillin + Clarith/Erythromycin
2nd line: Doxycycline or Clarithromycin
5 DAYS
CAP (high)
1st line: Co-amoxiclav + Clarith/Erythromycin
2nd line: Levofloxacin
Oral or IV
5 DAYS
Impetigo
- Hydrogen peroxide 1% if localised non-bullous
- Wide spread non-bullous consider:
TOPICAL
1st line: Fusidic acid 2% (5-7 days)
2nd line: Mupirocin
ORAL
1st line: Flucloxacillin (5 days)
2nd line: Clarith/Erythromycin
Animal bites
Cat attack / doggy monster
1st line: Co-amoxiclav
2nd line: Doxycycline + Metronidazole
C. Diff treatment
1st line: Metronidazole (10-14 days)
2nd line: Vancomycin (oral) OR Fidaxomicin
Bacterial Vaginosis
1st line: ORAL Metronidazole (5-7 days or single HIGH dose)
2nd line: TOPICAL Metronidazole (5 days) OR TOPICAL Clindamycin ( 7 days )
Osteomyelitis
1st line: Flucloxacillin (6wks for acute infection)
2nd line: Clindamycin
MRSA suspected = Vancomycin or Teicoplanin
Chlamydia
1st line: Azithromycin (single dose) OR Doxycycline (7 days)
2nd line: Erythromycin (14 days)
Mastitis
1st line: Flucloxacillin
2nd line: Erythromycin
10-14 DAYS
Sore Throat
Viral = self-limiting
Bacterial =
1st line: Phenoxymethylpenicillin (5-10 days)
2nd line: Clarith/Erythromycin (5 days)
Sinusitis
1st line: Phenoxymethylpenicillin
2nd line: Co-amoxiclav
If systemically unwell: Co-amoxiclav (1st line)
Doxycycline, Clarith/Erythromycin
Otitis Media
1st line: Amoxicillin
2nd line: Co-amoxiclav
Pen allergy: Clarith/Erythromycin
Otitis Externa
1st line: Flucloxacillin
2nd line: Clarith/Eryth/Azithromycin
Pseudomonas suspected: Ciprofloxacin
⚠️ Flucloxacillin
- Cholestatic jaundice
- Hepatitis
⚠️ Co-amoxiclav
Cholestatic jaundice
⚠️ Linezolid
- Blood disorders
- Optic neuropathy (visual disturbances)
⚠️ Co-trimoxazole
- Blood disorders
- Stevens-johnson syndroms
⚠️ Quinolones
- Tendon damage
- Arthropathy (joint problems) in children
- Convulsions (esp with NSAIDS)
⚠️ Amphoteracin B
Anaphylaxis (IV)
⚠️ Itraconazole
Heart failure
⚠️ Ketoconazole
Fatal hepatoxicity
What antibiotics cause blood disorders?
- Linezolid
- Co-trimoxazole
- Trimethoprim
- Gentamycin
- Vancomycin
Which tetracycline is LEAST likely to cause photosensitivity?
Minocycline
Antibiotics that colour bodily fluids?
Rifampacin = red/orange
Nitrofurantoin = brown
Antibiotics WITH food?
- Nitrofurantoin
- Metronidazole
- Pivmecillinam
Antibiotics in pregnancy?
- Penicillins
- Erythromycin
- Clindamycin
- Cephalosporins
- Nitrofurantoin (but avoid at term)
Antibiotics causing C.Diff?
- Clindamycin (mostly)
- Cephalosporins (2nd & 3rd gen)
- Co-amoxiclav
- Ampicillin
- Amoxicillin
- Quinolones
