Several things: The one thing you want to make sure you don't have first is a blood clot. Clots in deep or superficial veins can do this. It could also be an infection. Need to get it checked out.
Answered 7/3/2015
5.9k views
5 doctors weighed in across 2 answers
2 doctors weighed in across 2 answers
A doctor has provided 1 answer
3 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