Consult your doctor. RSD-Reflex Sympathy Dystrophy. Symptoms can vary from stiffness, swelling, discoloration and burning pain in different limbs in the body. The sympathetic nervous system that controls the sweat glands and blood flow in the hands, arm and legs is disturbed. If RSD goes untreated this can cause stiffness and loss of range of motion to the affected limb.
Causes are unknown.
Often RSD may develop after surgery or an injury. If you are experiencing these symptoms consult a physician. A bunion is when the bone that joins the first toe with the metatarsal becomes prominent on the inner part of the foot. You should use the cane on the injured side. Even though some people do feel better using it on the opposite side.