The examination showed that the soft tissue under the distal end of the first metatarsal bone of the left foot may be edema, and there is a small amount of effusion around it. Is it plantar fasciitis?

If there is effusion, there must be inflammation in this part. Only inflammation can cause effusion. Minimize exercise and let him recover slowly. Generally speaking, it will recover in 3~6 months. Generally speaking, if the effect of drugs or physical therapy is not obvious, you should take care of yourself slowly and exercise as little as possible.