A member asked:

Can extra strength krill oil 500mg mega red brand cause a little blood in urine? i just had a physical for a job and they told me.

2 doctors weighed in across 2 answers
Dr. Rebecca Gliksman answered

Specializes in Internal Medicine

Krill oil: Krill oil is a fish oil. High doses of fish oil-which have blood thinning properties- have been associated with hematuria, especially if on other blood thinning medications. One could lower the dose. Would discuss the results with doctor /urgent care as other issues can cause hematuria - chronic prostatitis, recent sexual activity, kidney dysfunction/ mass- and should be ruled out.

Answered 9/11/2014

3.7k views

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Dr. Ew Christensen answered

Specializes in Family Medicine

Not likely: It is not likely, but possible. Go ahead and stop the krill oil and then recheck your urine in a couple of weeks. If all is clear, then maybe your need to stay off. If the blood is still there, then you need a work-up to see why. Take care.

Answered 9/11/2014

3.7k views

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