DRUG SUPPLIED DOSE COMMENTS
GENTAMICIN (Paeds)


Mechanism of action:

Aminoglycoside antibiotic


Ref: 6, 44, 188


Last update: 2022-07-03
injection: 10 mg/mL, 40 mg/mL Children:
Traditional: 2.5 mg/kg/dose IV Q8H.
Synergy in combination with other antibiotic: 1 mg/kg/dose IV Q8H.
Extended interval: 7 mg/kg/dose IV once daily

Adult:
1-2.5 mg/kg/dose IV Q8H.

Gastrointestinal tract decontamination in intestinal failure :
5 mg/kg/dose PO BID x 1-2 weeks
Extended interval dosing should NOT be used in patients with renal dysfunction (GFR <90), CF patients, endocarditis, surgical prophylaxis, burns >20% of body or in Gram positive infections where aminoglycoside is being used with another antibiotic for synergy

Adjust dose in renal impairment.

Obtain baseline creatinine; for therapy beyond 7 days check creatinine at least twice weekly

Administer extended interval and traditional interval doses over 30 min.

Dose may be adjusted based on serum concentrations.

Therapeutic serum concentrations:
Traditional dosing:
Trough (pre-dose): < 2 mg/L
Peak (post-dose): 6-10 mg/L
Extended interval dosing:
Trough (pre-dose): < 1 mg/L
No peak (post-dose) level is required.

See Supplementary Materials for Therapeutic Drug Monitoring Table (white pages in print copy)


Standard Prescription:

gentamicin __mg IV Q   H (__mg/kg/24 hour)