Q: What is Tequin?
A: Tequin (gatifloxacin) is an antibiotic used to treat adults with lung, sinus, or urinary tract infections, as well as certain sexually transmitted diseases caused by germs called bacteria. Tequin is made by Bristol-Myers Squibb Company and was approved for use by the U.S. Food and Drug Administration (FDA) in December 1999.

Q: Has there been any recent news about Tequin?
A: In March 2006, the FDA announced that Bristol-Myers Squibb Company revised the labeling on Tequin because it caused some people to have serious blood sugar problems (low blood sugar or high blood sugar). Click here to see the FDA alert.

Q: Who should not take Tequin?
A: You should not take Tequin if you are allergic to it or any "quinolones." Ask your doctor if any medicines you currently take are "quinolones."

You should not take Tequin if you or any of your family members have a rare heart condition called congenital prolongation of the QT interval, or if you have low blood potassium, take medicines for irregular heartbeat, or have diabetes or high blood sugar.

Q: What should I tell my healthcare professional before he or she prescribes Tequin?
A: Before you start taking Tequin, tell your healthcare professional if you are trying to become pregnant, are already pregnant, are nursing, have diabetes, have heart problems, have or had liver problems, have kidney problems, or take any other prescription or non-prescription medicines, vitamins, or herbal supplements.

Q: Are there any serious health risks associated with Tequin?
A: You should stop taking Tequin and call your doctor immediately if you experience any serious blood sugar changes, severe allergic reactions, seizures, dizziness, confusion, tremors, hallucinations, depression, suicidal thoughts, or pain, inflammation or rupture of a tendon.