Question

What is the black box warning for gentamicin?

Answer 1

The black box warning for gentamicin is a warning for possible kidney damage, hearing loss and balance issues.

Kidney damage from gentamicin is listed on the black box warning for gentamicin as a result of nephrotoxicity and hearing loss is listed on gentamicin's black box warning as a result of neurotoxicity and ototoxicity.

These toxic effects of gentamicin that can occur are often associated with high doses of gentamicin or prolonged therapy or in people with pre-existing renal impairment.

Nephrotoxicity leads to reversible kidney damage that is evidenced by elevated creatinine/urea, casts, cells or protein in the urine.

Ototoxicity is often reversible auditory hearing loss and vestibular (vertigo/dizziness) damage.

Neuromuscular blockade and a risk of acute muscular paralysis and respiratory failure can also occur with gentamicin.

Renal and 8th cranial nerve function should be closely monitored when using gentamicin.

And when pregnant there's a potential for fetal harm from gentamicin as aminoglycosides can cross the placenta.

Avoid concurrent/sequential use of other nephrotoxic and neurotoxic drugs, like vancomycin and cisplatin.

And maintain levels below 2 mcg/mL

And limit treatment duration to short term use.

Gentamicin is a powerful aminoglycoside antibiotic that is used to treat serious bacterial infections, particularly those caused by gram-negative bacteria, including septicemia, meningitis, and severe urinary tract or respiratory infections.

The antibiotic gentamicin works to get rid of bacteria by killing the bacteria and is typically administered via injection, though topical forms exist for skin infections.

Common side effects of gentamicin include serious kidney damage (nephrotoxicity) and ear toxicity (ototoxicity), such as hearing loss or vertigo.