This content has not been reviewed within the past year and may not represent Web MD's most up-to-date information. To find the most current information, please enter your topic of interest into our search box. " March 13, 2013 -- The popular antibiotic azithromycin may cause a potentially fatal irregular heart rhythm in some people, the FDA says. Also sold under the names Zithromax and Zmax, and often called a Z-pack, the antibiotic can cause changes in the electrical system of the heart, leading to arrhythmia. The medication can also trigger a form of rapid heartbeat called torsades de pointes. The FDA says patients at risk for problems include those who have what's known as a prolonged QT interval, low blood levels of potassium or magnesium, an abnormally slow heart rate, or who take drugs to treat arrhythmias. Elderly patients and patients with heart disease also may be more at risk. Your order will be packed safe and secure and dispatched within 24 hours. This is exactly how your parcel will look like (pictures of a real shipping item). It has a size and a look of a regular private letter (9.4x4.3x0.3 inches or 24x11x0.7cm) and it does not disclose its contents I must say that Zithromax is a great and effective antibiotic. When my daughter had acute pharyngitis, Zithromax was the only drug that helped. I always take Zithromax from this seller (THE SITE). I was looking for a good antibiotic without side effects and discovered Zithromax, which was really a good solution. I suffered from acute bronchitis, and ordered Zithromax online. 1 day of taking Zithromax and I forgot about all my health problems. Although the price for Zithromax is not that cheap, the drug itself is very good. Buy quality viagra online Mail order cipro Metformin breastfeeding Kamagra 100 gold Azithromycin and levofloxacin are the most frequently used antibiotics in the US. Azithromycin is a semisynthetic macrolide antibiotic, whereas levofloxacin is a fluoroquinolones antibiotic. Since its release in early 1990s, azithromycin has become the most commonly prescribed macrolide antibiotics in the US. From a cardiac toxicity perspective, azithromycin has been considered the. to baseline risk score for cardiovascular disease, with one excess CV death per. Azithromycin, a commonly-prescribed antibiotic, may trigger a potentially deadly irregular heart rhythm for some patients, the Food and Drug Administration. If you subscribe to any of our print newsletters and have never activated your online account, please activate your account below for online access. By activating your account, you will create a login and password. Azithromycin has active ingredients of azithromycin. Heart attack (2,924 drugs) Heart attack (2,525 conditions) NOTE: The study is based on active ingredients and brand name. (latest outcomes from Azithromycin 19,636 users) Heart attack has been reported by people with diabetes, arthritis, high blood pressure, pain, rheumatoid arthritis (latest reports from 215,932 Heart attack patients). Other drugs that have the same active ingredients (e.g. WARNING: Please DO NOT STOP MEDICATIONS without first consulting a physician since doing so could be hazardous to your health. DISCLAIMER: All material available on e Health is for informational purposes only, and is not a substitute for medical advice, diagnosis, or treatment provided by a qualified healthcare provider. All information is observation-only, and has not been supported by scientific studies or clinical trials unless otherwise stated. Different individuals may respond to medication in different ways. Every effort has been made to ensure that all information is accurate, up-to-date, and complete, but no guarantee is made to that effect. Azithromycin heart attack Azithromycin Side Effect Z-Pak Heart Attack Death, Azithromycin and Risk of Sudden Cardiac Death Guilty as Charged. Metoprolol dosage for atrial fibrillationAmoxicillin dizziness The popular antibiotic azithromycin may cause a potentially fatal irregular heart rhythm in some people, the FDA says. Common Antibiotic Poses Risk to Heart, FDA Warns - WebMD. FDA warns azithromycin "Z-pack" antibiotics could lead to deadly.. Cardiac Risk With Azithromycin Zithromax Z-Pack. Azithromycin and Risk of Sudden Cardiac Death Guilty as Charged or Falsely Accused? John R. Giudicessi, BA 1 and Michael J. Ackerman, MD, PhD 2 1 Mayo Graduate and Medical Schools, Mayo Clinic, Rochester, MN You are not alone. We studied 17,460 people who take Azithromycin and have side effects from FDA. Heart attack was reported. See who they are, when they. In patients with heart disease, though, azithromycin and other macrolide antibiotics – such as clarithromycin, erythromycin, and telithromycin – can speed up the heart so that it beats very fast, up to 200 times per minute.