Class of Antibiotics Receive Black Box Warning for Tendon Ruptures

Bayer AG’s Cipro and Johnson & Johnson’s Levaquin will receive black box warnings from the FDA after evidence has shown that the antibiotics contain a risk of tendon ruptures. The antibiotics in question belong to the same class of antibiotics known as fluoroquinolones.
While the ruptures occur most frequently in the Achilles tendon, they are also know to occur in the shoulders, biceps, hands, and thumbs. Six months ago, the advocacy group Public Citizen sued the FDA in order to obtain the black box warning, the FDA’s strongest warning label that is used to warn consumers and doctors about the potential dangers and adverse effects of drugs.