Making a diagnosis with limited information and no direct examination is always challenging. Were X-rays taken at the hospital? Sometimes a small or "hairline" fracture may not be apparent on initial X-rays. Sometimes evidence of the healing fracture is more apparent on X-rays a couple of weeks after the injury. An MRI may also be needed if the pain does not resolve with treatment since injuries to cartilage, tendons, and ligaments are not seen on X-rays. A turf toe injury is a possibility as well. I would advise seeing a podiatrist in your area for further care.