A few things: It might be a form of athlete's foot, blister, infection, or skin lesion. See a podiatrist or dermatologist for a more specific answer.
Answered 10/3/2016
5.5k views
A doctor has provided 1 answer
8 doctors weighed in across 3 answers
A doctor has provided 1 answer
A doctor has provided 1 answer
2 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