I sprained my foot 6 weeks ago and had a knot come up on the side. today it has gone down but is still there. it is hard and tender. what should i do?

Where is knot: Top, bottom, side, above or below ankle? Location will help. If side by little toe then could be tailors bunion or base of 5 th metatarsal wher many things attach to.

Have it evaluated: Your pain could be as a result of many different things. One would need to do a thorough history and physical exam and possibly some radiology exams to determine the exact cause. Have it evaluated by a professional to see if you have fractured it of if it is just a soft tissue injury such as a contusion or a sprain.

See a Podiatrist: It could be several things. Most likely you have a ganglion cyst. It could be something worse, like a torn tendon, or broken displaced bone. See your podiatrist.

Knot: Ankle sprains can cause more than just ligament injury. Sometimes tendons in the same area can also become injured. Tendon injuries can lead to conditions known as ganglionic cyst. As ganglionic cyst mature they change from a soft spongy type of structure to a smaller hard structure. Sometimes they will clear on their own while others will require medical attention.

Knot: At what point did the knot occur? This helps in determining what it is. Possible to get a hematoma or ganglion cyst to area. Check with yor treating dr.