This notice will interest animal health professionals, although it is about human use of the antibiotics.
FDA is strengthening the current warnings in the prescribing information that fluoroquinolone antibiotics may cause significant decreases in blood sugar and certain mental health side effects.
Source: FDA, July 10, 2018. Link.
FDA continues to monitor and evaluate the safety and effectiveness of medicines after we approve them, and they go on the market. In the case of fluoroquinolones, we reviewed reports of cases submitted to FDA and the published medical literature of apparently healthy patients who experienced serious changes in mood, behavior, and blood sugar levels while being treated with systemic fluoroquinolones.