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Zithromax

FDA Warns of Potential Cardiac Death With Common Antibiotic, Zithromax

On March 12, 2013, the FDA issued a safety announcement stating Zithromax (Azithromycin) – a common antibiotic – may increase the risk of an abnormal heart rhythm, which may contribute to heart failure or sudden cardiac death. Updated warning labels were also ordered to better inform patients and medical providers of the risk.

Under the brand name Zithromax, the drug (manufactured by Pfizer) had sales totaling $464 million in 2011. However, Azithromycin is also manufactured under numerous generic names.

Zithromax (also called Zmax, or more simply known as Z-pack) is commonly used to treat bacterial infections of the ears, skin, sore throats (strep) and respiratory track, such as pneumonia, bronchitis, wheezing and chronic obstructive pulmonary disorder (COPD). Z-pack is often preferred by patients and medical providers due to its speed in delivering relief of symptoms, and its easy, once a day dosage for only five-days.

The announcement is a result of two studies confirming the increased risk of abnormal heart rhythms when compared to other commonly used antibiotics, such as Amoxicillin.

Risk factors are also magnified when Zithromax is combined with other medications currently prescribed for non-cardiac reasons, as well as those used to treat a variety of ongoing heart conditions.

Patients at increased risk of developing an abnormal (potentially fatal) heart rhythm include those suffering from:

  • Low blood levels of potassium or magnesium
  • Slow or irregular heart rates (torsades de pointes)
  • Currently taking medication for abnormal heart rhythms
  • History of heart failure or a previous heart attack
  • Diabetes or thyroid abnormalities (which can contribute to irregular heart rhythms)
  • Known Long QT prolongation

Symptoms of an irregular heart rhythm include:

  • Fluttering in the chest
  • Racing heartbeat (tachycardia)
  • Slow heartbeat (bradycardia)
  • Chest pain
  • Shortness of breath
  • Lightheaded or dizziness
  • Fainting or near fainting (syncope)

Don’t Let the Statutes of Limitations Expire!

If you believe you, or someone you love, suffered an injury, or a fatal heart attack, as a result of the prescription drug Zithromax, contact attorneys Bill Kershaw and Stuart Talley for a thorough review of your case before the statutes of limitations expire.

A consultation is free and there is never a charge unless we win.

Contact Us

DISCLAIMER:

By sending this email information to Kershaw, Cook & Talley, an attorney-client relationship is not created between you and Kershaw, Cook & Talley, or any other party. An attorney-client relationship does not exist until a formal “Attorney Retainer/Fee Agreement” has been signed by all parties.

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