Gentamicin Side Effects

Possible side effects of gentamicin are listed below. Call your doctor for medical advice about side effects if they are severe or do not go away in a few days.

• Pain at the injection site
• Nausea
• Vomiting
• Diarrhea
• Reduced appetite
• Fever
• Headache
• Unusual tiredness
• Joint pain

Rarely, gentamicin can cause more serious side effects. Call your doctor right away or seek emergency medical attention if you develop:

• Skin rash, hives, itching, peeling, or blistering skin
• Swelling of the eyes, face, lips, tongue, throat, hands, and feet
• Hoarseness
• Difficulty breathing 
• Trouble swallowing

The above list may not include all the potential side effects of gentamicin. Contact your healthcare provider if your side effects are unusual or severe or they do not get better over time. You can also report unusual side effects to the Food and Drug Administration at 1-800-FDA-1088.

Gentamicin Overdose: In case of an overdose of gentamicin, call your doctor immediately. You can also call your local poison control center or the national poison control center at 1-800-222-1222. Call 911 or emergency services if a person has collapsed, stopped responding, stopped breathing, or had a seizure.

Source: FDA