Weird ankle pain, any ideas?

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Ok, so for a couple weeks now I've been getting sharp pain in the INSIDE of my ankle. I haven't twisted it or anything. As long as I keep all the weight on the outside of my foot I'm ok, but as soon as I put any weight at all in the inside of my foot is causes a sharp pain so bad that my ankle gives out. I might add that it's on the same foot where I just got over a broken big toe. I have no health insurance so the doc is out of the question for me. But it's keeping me from doing any good cardio. Has anyone ever experienced anything like this?