Antibiotic therapy
Recommended adult doses for ‘optimised’ antibiotic dosing
Note: many of these agents may require adjustment with significant renal impairment. Seek ID or pharmacy advice if necessary.
Oral agents:
- Amoxicillin – 1g tds
- Augmentin – use ‘boosted augmentin’ (Augmentin 625mg tds + amoxicillin 500mg tds)
- Ciprofloxacin – 750mg bd
- Co-trimoxazole – 1440mg bd or 960mg tds
IV agents:
- Amoxicillin – 1g q6h (standard dose sufficient for ‘I’ when given IV). If patient septic or >100kg use 2g q6h.
- Augmentin – 1.2g q8h (standard dose sufficient for ‘I’ when given IV). If patient septic or >100kg use ‘boosted IV augmentin’ (Augmentin 1.2g q8h + Amoxicillin 1g q8h)
- Benzylpenicillin 2.4g q6h (if treating meningitis then increase to q4h)
- Ceftazidime – 2g q8h
- Cefepime – 2g q8h
- Piperacillin-tazobactam (Tazocin) – 4.5g q6h
Topical treatment options for conjunctivitis
Chloramphenicol | Fusidic Acid | Tobramycin | Ciprofloxacin | |
Staph aureus | Susceptible | Susceptible | Susceptible | Susceptible |
Haemophilus influenzae | Susceptible | Resistant | +/- | Susceptible |
Strep pneumoniae | Susceptible | Resistant | Resistant | +/- |
Moraxella catarrhalis | Susceptible | Resistant | Resistant | Susceptible |
Corynebacterium macginleyi | Susceptible | Resistant | Resistant | Susceptible |
Pseudomonas aeruginosa | Resistant | Resistant | Susceptible | Susceptible |
Enterobacterales (e.g. E. coli, Klebsiella, Serratia) | Susceptible | Resistant | Susceptible | Susceptible |