• The 11 Worst Medications For Causing Atrial Fibrillation

  • Nov 28 2021
  • Length: 9 mins
  • Podcast
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The 11 Worst Medications For Causing Atrial Fibrillation

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  • The 11 Worst Medications Causing Atrial Fibrillation Could one of your medications actually be causing your AFib? Over the years I've seen a number of patients either significantly decrease their AFib episodes or even put their AFib into remission for a few years just by getting off an AFib causing medication. For those who needed a particular medication, catheter ablation was very helpful in eliminating the AFib so that they could continue to take their necessary medication. Below are my 11 worst medications causing atrial fibrillation. 1. Diuretics With the exception of spironolactone (Aldactone) and triamterene, diuretics can be problematic for atrial fibrillation patients. The reason is that most diuretics are well-known to cause mineral depletion in the body. Depletion of those key minerals, especially potassium and magnesium, is often enough to trigger atrial fibrillation. 2. NSAIDs Non-steroid anti-inflammatory drugs, or NSAIDs, can also induce AFib. NSAIDs are relatively common drugs like ibuprofen and naproxen that are often used to fight pain. NSAIDs are particularly troublesome for AFib patients because they also increase the risk of heart and kidney failure. For those who are also on a blood thinner, NSAIDs increase the risk of an emergency room visit for a life-threatening gastrointestinal bleed. 3. Proton Pump Inhibitors Proton pump inhibitors, which suppress stomach acid, can also atrial fibrillation by blocking magnesium absorption or possibly by changing a person’s gut microbiome. These drugs include omeprazole, lansoprazole and pantoprazole, which are often sold under the brand names Prilosec, Prevacid, and Nexium, respectively. 4. Steroids Steroids, like prednisone and Solu-medrol, can cause atrial fibrillation, too, by raising blood glucose levels to very high levels and increasing blood pressure through fluid retention and weight gain. Over my career, I've even seen many cases of steroid injections triggering AFib. 5. Any Stimulant Cardiac stimulant medications, like albuterol inhalers or theophylline for asthma, have long been associated with AFib. Even over-the-counter decongestants such as pseudoephedrine, which is sold as Sudafed, or medications for attention deficit hyperactivity disorder can trigger an AFib attack. The bottom line is that anything that revs up the cardiovascular system has a risk of causing AFib. 6. Digoxin, Diltiazem, Verapamil, and Beta-Blockers Perhaps a bit counterintuitively, some if the classic drugs used to treat abnormal heart rhythms such as digoxin, calcium-channel blockers such as verapamil and diltiazem, and beta-blockers have all been associated with an increased risk of AFib. While the exact mechanisms whereby these drugs may increase the AFib risk aren't entirely clear, plenty of cases have been documented in the medical literature. We’ve even seen beta-blockers, which are often used to treat AFib, linked to AFib episodes due to associated weight gain, particularly with women. 7. Fish Oil As many readers know, there is prescription-strength fish oil, like Lovaza, as well as the over-the-counter fish oil. Prescription-strength fish oil is used to treat high triglycerides whereas the over-the-counter version is used to treat a myriad of complaints. Regardless of which form it is, fish oil has now been implicated as a potential cause of AFib. If fish oil has been particularly helpful for you, try keeping the dose under 1 gram per day to minimize the risk of AFib. Or, alternatively, you can do what I've done and go back to eating wild-caught fish high in omega 3s instead of taking a supplement. Interestingly, since stopping fish oil for myself, I've noticed a lot fewer palpitations. 8. Antiarrhythmics like Amiodarone, Flecainide, and Propafenone Another surprise to many readers is that the antiarrhythmic drugs, the ones that are supposed to prevent AFib, have been linked to AFib. For example, amiodarone is well-known to cause hyperthyroidism which ca...
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