People allergic to krill oil may experience difficulty breathing, hives, and swelling of the lips, tongue, throat or face, explains Drugs.com. It is necessary to stop using the oil if serious side effects occur, including chest pain, irregular heartbeats and flu symptoms. Less serious side effects include moderate skin rash, back pain and fishy aftertaste.Continue Reading
To avoid any possible side effects, it is necessary to take krill oil as directed by a doctor, explains Drugs.com. People with a fish allergy should not use the oil, and patients taking anticoagulants should inform their doctor before taking krill oil. Those suffering from diabetes, pancreas disorder, liver disease, underactive thyroid or blood clotting problems should ask the doctor before using the supplement. Pregnant and breastfeeding women should also seek a doctor's advice.
Doctors recommend taking krill oil as a whole without opening or puncturing the capsule, states Drugs.com. It is important to engage in exercises and to follow a healthy diet while using krill oil. There may be medications that interact with krill oil, such as vitamin, herbal, prescription and over-the-counter products, so patients should inform the doctor about current medications. Krill oil is a dietary supplement and does not need a prescription. As of 2015, U.S. Food and Drug Administration has no specific recommendations for krill oil.Learn more about Side Effects