Fish oil supplements are commonly taken to prevent heart disease and high cholesterol. One of the main side effects of fish oil is the supplement's effect as a blood thinner. If you are considering taking fish oil, always speak with a medical doctor to avoid complications. Fish oil is sold over-the-counter without a prescription. It is critical to take the recommended dose to avoid risks associated with blood-thinning and clotting disorders.
Side Effects
Fish oil decreases how fast your blood clots. You may experience an increase in nosebleeds or bruising of the skin. If you suffer from bleeding disorders, bruise easily or are taking blood-thinning medications, take increased caution advises the University of Maryland Center. Blood-thinning medications include warfarin, heparin, ginkgo and willow. In rare cases, blood vessels in the brain may burst, and bleeding causes a hemorrhagic stroke.
Dose
According to the American Heart Association, patients fighting heart disease should take 1 g of fish oil per day. If you have high cholesterol levels, 2 g of fish oil daily may reduce your levels, reports the AHA. Amounts of 3 g or less are often recommended for other medical complications. Taking 3 g or more of fish oil a day is often discouraged due to increased side effects. Still, be aware that side effects may occur when taking any dose of the supplement.
Medications
Fish oil supplements should be taken cautiously if you are taking anticoagulant medications in combination with fish oil supplements. Fish oil is a natural blood-thinning supplement. Your risk of internal bleeding is increased when taking medications such as a heparin, warfarin or aspirin. Don't forget some herbal supplements also decrease blood clotting. These supplements include garlic, willow, ginkgo and red clover.
Additional Side Effects
Fish oil may increase fasting blood sugar levels. If you are diabetic, use caution when taking fish oil supplements. If you are taking insulin, you may need to increase your dosage amount. Discuss with your doctor if fish oil is the correct supplement for you. Taking fish oil may decrease your risk of ulcers if you are taking nonsteroidal anti-inflammatory drugs, such as naproxen or ibuprofen. Ulcers may lead to internal bleeding.
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