Pharmacology All of the following factors increase the risk of aminoglycoside renal toxicity, except: A Elderly person B Hypokalemia C Simultaneous use with penicillin D Aminoglycoside administration in recent past 💡 Explanation All of the following factors increase the risk of aminoglycoside renal toxicity, except: ✓ Correct Answer: C. Simultaneous use with penicillin