•Vancomycin can cause nephrotoxicity, ototoxicity, and Red man sydrome.
•Nephrotoxicity is characterized by changes in urination frequency or amount, nausea, vomiting, and increased thirst.
•Ototoxicity is characterized by hearing loss.
•Red man syndrome (from rapid I.V. infusion) is characterized by fever, chills, tachycardia, rash, nausea, and redness of the face, back, neck, and arms.