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Tequin Information

What is Tequin?

Tequin is an antibiotic in the fluoroquinolone class of antibiotics, generically known as gatifloxacin, and made by Bristol-Myers Squibb Co. Normally used to treat lung, sinus, and other bacterial infections, the label, or package insert, for Tequin has been changed several times to strengthen the warnings about associated risks of hypoglycemia (low blood sugar) and hyperglycemia (high blood sugar), which can lead to coma or seizure, and are potentially fatal.

Antibiotic Tequin Withdrawn From Market By Bristol-Myers
On April 27, 2006 Bristol-Myers Squibb Co. announced that it would stop selling Tequin (gatifloxacin), an antibiotic that has been associated with hyperglycemia (high blood sugar) and hypoglycemia (low blood sugar), both of which are potentially fatal blood-sugar disorders.


NEJM Editorial Wants Black-Box Warning or FDA Recall For Antibiotic Tequin
On March 1, 2006 The New England Journal of Medicine (NEJM) posted on its web site an editorial about Tequin which called for, at least, the addition of a black box warning on the Tequin label, or package insert, and suggested further that an FDA recall of Tequin is warranted.


Antibiotic Tequin Found To Cause Serious Blood Sugar Problems In Older Patients
One of every 100 patients who took Tequin was hospitalized according to a March 2006 NEJM article about two Canadian studies. Both hypoglycemia (low blood sugar) and hyperglycemia (high blood sugar) can induce coma and other serious problems, including death. Symptoms usually began five to 10 days after patients took the drug.


Antibiotic Tequin: FDA and Health Canada Issue Warnings About Abnormal Blood-Sugar (Glucose) Levels That Can Be Fatal
In separate public advisories issued by the FDA and Health Canada in February 2006, doctors and patients were warned about the threat of rare but potentially fatal side effects associated with use of the antibiotic Tequin. According these advisories, Bristol-Myers Squibb Co. was putting stronger warnings on the Tequin label, or package insert, concerning cases of hypoglycemia (low blood sugar) and hyperglycemia (high blood sugar) in patients using this widely-prescribed antibiotic.


Anitibiotic Tequin Linked To Adverse Side Effects Involving Abnormal Glucose Levels
The antibiotic Tequin (gatifloxacin) significantly increases the risk of low blood sugar (hypoglycemia) and the risk high blood sugar (hyperglycemia) during or after its use.  These drug side effects may be severe enough to require hospitalization, and are potentially fatal.


Tequin and Legal Compensation
Legal compensation claims involving a Tequin-related disease or death caused by Tequin are usually made by filing an individual lawsuit as opposed to a class action and all states have statutes of limitations that determine the time period allowed to file a Tequin lawsuit. The applicable statute of limitation, or deadline to file claims, varies from state to state, and the personal injury statute of limitation deadline can be different from the wrongful death statute of limitation deadline within the same state.


Tequin Class Actions
We believe that people who have suffered a serious injury or died from Tequin side effects are better served when an individual lawsuit is filed on their behalf.




Tequin Case Evaluation
The information you provide to us for this Free Case Evaluation will be treated as strictly confidential.  You will get a reply from us no later than the next business day.  Submitting a case evaluation does not obligate you to hire our law firm for your lawsuit.  We handle all cases on a contingency fee basis, which means that you will make no payment for our legal services until after we have succeeded in getting legal compensation for you.

Drug Injury Watch: Tequin News Commentary


  • US FDA advises that you should not stop taking any prescription medication before talking to your doctor.
  • Reports of serious drug side effects should be made to the US FDA MedWatch program.
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