Some medications for high blood pressure work by blocking calcium from entering cells. These medications are called calcium channel blockers. Magnesium might also block calcium from entering cells. Taking magnesium with these medications might cause blood pressure to go too low.
Potassium and magnesium are often prescribed to heart patients taking diuretics, or ''water pills. '' They replace the electrolytes you lose because of the water pills.
Magnesium is central to a healthy heart rhythm because it's involved in transporting other electrolytes, such as calcium and potassium, into cells. Electrolytes are all important for nerve signals and the muscle contractions of a normal heartbeat.
Iron , magnesium, and zinc may bind with warfarin, potentially decreasing their absorption and activity. People on warfarin therapy should take warfarin and iron/magnesium/zinc-containing products at least two hours apart.
Magnesium citrate is the form of magnesium that your body absorbs with the most ease. Magnesium oxide has a higher level of elemental magnesium in it. Some of the best heart health supplements will contain these two types of magnesium in them.
People with diabetes, intestinal disease, heart disease or kidney disease should not take magnesium before speaking with their health care provider. Overdose. Signs of a magnesium overdose can include nausea, diarrhea, low blood pressure, muscle weakness, and fatigue. At very high doses, magnesium can be fatal.
Magnesium is of great importance in cardiac arrhythmias. It increases the ventricular threshold for fibrillation. Sinus node refractoriness and conduction in the AV node are both prolonged.
Due to its blood thinning effect, patients on warfarin are warned to be careful taking other supplements, such as ginkgo, ginger, Vitamin E, which can potentially increase the risk of bleeding events.
Bleeding disorders: Magnesium seem to slow blood clotting. In theory, taking magnesium might increase the risk of bleeding or bruising in people with bleeding disorders.
Products that contain aspirin may lessen the blood's ability to form clots and may increase your risk of bleeding when you also are taking a blood thinner. If you are taking a blood thinner, talk to your doctor before taking any medication that has aspirin in it.
High magnesium levels (hypermagnesemia) can result from taking too many magnesium supplements. It can lead to lethargy, gastrointestinal symptoms, low blood pressure, and cardiac arrest.
Meaning The findings of this study suggest that administration of potassium and magnesium might lessen the need for antiarrhythmic therapy and the potential adverse effects in patients with nonpermanent atrial fibrillation.
A magnesium- and aluminum-containing antacid was reported to interfere with atorvastatin absorption. People can avoid this interaction by taking atorvastatin two hours before or after any aluminum/magnesium-containing antacids. Some magnesium supplements such as magnesium hydroxide are also antacids.
Magnesium is an important electrolyte that plays an essential role in normal cardiac function, and low serum magnesium levels may be associated with cardiac arrhythmias and sudden death [1–3].
Magnesium is an effective treatment for some types of palpitations, but not all. While I generally prefer to test the blood magnesium level before treatment, a supplement of magnesium at a reasonable amount such as 400 mg magnesium, (100% of the daily value) is unlikely to cause problems.
Antibiotics: Taking magnesium supplements may reduce the absorption of quinolone antibiotics, tetracycline antibiotics, and nitrofurantoin (Macrodandin). Magnesium should be taken 1 hour before or 2 hours after taking these medications. Quinolone and tetracycline antibiotics include: Ciprofloxacin (Cipro)
Magnesium prevents calcium buildup in cholesterol plaque in arteries, which leads to clogged arteries. Magnesium levels are inversely associated with cardiovascular disease risk.
If you are a heart patient who is taking blood thinners, such as warfarin (Coumadin®), you need to be careful not to overdo vitamin K. Blood thinners are often prescribed for people at risk for developing harmful blood clots. If you suddenly increase your intake of vitamin K, it can have an unintended consequence.
Grapefruit and other citrus fruits can interfere with how your body metabolizes these medications.
Warfarin (Coumadin®) and similar anticoagulants
These drugs antagonize the activity of vitamin K, leading to the depletion of vitamin K-dependent clotting factors.
Too much magnesium, and the gates move slowly, which can mean your heart will beat more slowly. Too little magnesium and the gates open and close quicker. So, your heart speeds up. And, then — voila: heart palpitations.
A recommended dosage is 600 mg-800 mg/day. (For example, 200 mg three times a day and 200 mg at bedtime.)