Went to the doc and found out I have shin splints.

I went to the doctor. I told her I'm taking a sheriff exam soon and I wanted to know if I had splints or worse. She looked at my xrays and said I look fine but not to run yet. I got prescribed some meds for the time being. Thing is that I'm supposed to be retaking a running test and I need to practice my endurance/breathing length for this. I also need better shoes like brooks or something. What can I do to help right now if I can't even practice? Also , I need to pass this only thing for employment full time.
Went to the doc and found out I have shin splints.
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