A slight bluish: Tinge in dark-skinned people is a variant of normal from melanin pigmentation; but a prominent bluish color needs to be evaluated for low oxygenation.
Answered 12/30/2013
4.6k views
Several: Most of which are not good. Benzocaine can cause it, blue gatorade or popsicles...Although usually it is the tongue... True blue lips and gums ...Should be seen asap. Certain infections can also cause it.......
Answered 12/29/2013
4.6k views
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