Lots of things: Does it itch? Could be yeast. Does it hurt? Could be another kind of change of that tissue that your doctor should take a look at for you. Try sitting in a warm bath with 1 cup baking soda mixed in if it's irritated.
Answered 1/5/2019
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A doctor has provided 1 answer
A doctor has provided 1 answer
2 doctors weighed in across 2 answers
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