Normal: It is just old blood passing - slower to make its way out so the blood has time to oxidize.
Answered 3/22/2014
4.3k views
A doctor has provided 1 answer
A doctor has provided 1 answer
A doctor has provided 1 answer
12 doctors weighed in across 2 answers
90,000 U.S. doctors in 147 specialties are here to answer your questions or offer you advice, prescriptions, and more.
Ask your question