Q: For average patient, Gentamicin should be given per (choose one)?

A) Ideal or adjusted body weight

or

B) Actual body weight?

Answer:  A - Ideal body weight

To administer Aminoglycoside antibiotics, for total dosing 

•  For patients whose weight is 1-1.2 times their ideal body weight, use ideal body weight.
• For patients weighing more than 1.2 times ideal body weight, use adjusted body weight.  

Serum level monitoring are needed to ensure safety and efficacy.  Also, patients anticipated to receive aminoglycosides for more than 2 weeks should be considered for audiometry.