People with bleeding disorders should not take bilberry, as it tends to affect the ability of the blood to clot. People who are allergic to herbal medicine should get firsthand information from physicians before taking bilberry. An entire host of information is available on Bilberry at online resources. Event then it is preferable that you consult your physician before taking this medication since a lot of terms may sound alien to you. In general, it’s better off to consult your physician before taking bilberry even when you don’t have such problems, as it’s not a widely known medicine.

There have been no official reports of side effects while taking bilberry. However, you may experience difficulty in breathing, swollen face or lips, and hives, if you happen to have an allergic reaction or over dosage. You should immediately stop taking this medication if you were to experience any such side effect. Under such circumstances, you should consult your physician immediately.