Flat feet. First you need an evaluation and xrays. Then you can discuss with your podiatrist what needs to be done . Good luck.
Get it examined. Seeing a podiatrist or orthopedic surgeon for this condition. There are many reasons to have a flatfoot the little information that you have given me is not enough to give you a complete answer the first line would be x-rays to see why this condition is happening mris may also be indicated to evaluate you properly. And for the best surgical solution possible. Good luck.
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