Anti-infective Agents : Aminoglycosides
IAMIN9 “Aminfec injection” 125 mg/ml; 2 ml/vial
適應症:革蘭氏陽性菌及陰性菌(包括綠膿感菌)所引起的感染症。
Usual dose: IV/IM
Adult: 15 mg/kg/day divided q8-12h; max. 1.5 g/day.
Pediatric
(neonates): 7.5-10 mg/kg q8-12h; consider 12 h intervals for the first 1-2 wks of life.
(infants and children): 15-22.5 mg/kg/day divided q8h; max. 1.5 g/day.
Precaution:
IV over 30 min at final concentration < 5 mg/ml.
Dose adjustment: See Aminoglycosides dosing table.
Adverse effect:
Neuromuscular blockade finding, ototoxicity, nephrotoxicity, respiratory tract paralysis (concomitant anesthesia, muscle relaxants).
Aminoglycosides Dosing
(1) Select loading dose in mg/kg(IBW) to provide peak plasma levels in the range listed below for the desired aminoglycoside.
Drug |
Usual loading Dose. |
Expected peak Serum conc. |
Gentamicin |
1.5 – 2mg/kg |
14 – 10g /ml |
Amikacin |
5 – 7.5mg/kg |
15 – 30g /ml |
(2) Select maintenance dose (as percentage of loading dose) to continue peak plasma levels indicated above, according to desired dosing interval and the p’t’s corrected creatinine clearance.
% Loading Dose Required for Dosage Interval Selected. |
||||
CrCl(ml/min) |
Half-life (h) |
8h |
12h |
24h |
90 80 70 60 50 40 30 25 20 17 15 12 10 7 5 2 0 |
3.1 3.4 3.9 4.5 5.3 6.5 8.4 9.9 11.9 13.6 15.1 17.9 20.4 25.9 31.5 46.8 69.3 |
84% 80% 76% 71% 65% 57% 48% 43% 37% 33% 31% 27% 24% 19% 16% 11% 8% |
– 91% 88% 84% 79% 72% 63% 57% 50% 46% 42% 37% 34% 28% 23% 16% 11% |
– – – – – 92% 86% 81% 75% 70% 67% 61% 56% 47% 41% 30% 21% |