What side effects may I notice from receiving Gentamicin?

Side effects that you should report to your doctor or health care professional as soon as possible:
-allergic reactions like skin rash, itching or hives, swelling of the face, lips, or tongue
-breathing problems
-changes in hearing
-confused, dizzy, disoriented
-fever
-loss of balance
-muscle twitch
-numb, tingling pain
-redness, blistering, peeling or loosening of the skin, including inside the mouth
-seizures
-trouble passing urine or change in the amount of urine
-unusual bleeding or bruising
-unusually weak or tired

Side effects that usually do not require medical attention (report to your doctor or health care professional if they continue or are bothersome):
-diarrhea
-headache
-nausea, vomiting
-pain at site where injected

This list may not describe all possible side effects for Gentamicin. Call your doctor for medical advice about side effects. You may report side effects to FDA at 1-800-FDA-1088.