As a quick reminder, the different categories of insulin are: 1  Rapid-acting. 2  Short-acting (regular). 3  Intermediate-acting. 4  Long-acting.
This condition may also affect people with kidney problems, as a loss of protein in the urine can cause feet to swell. Another cause of foot swelling is inactivity ... in a car or riding on an airplane all day, your leg muscles aren't working as much, and fluid will pool in your feet and legs ...
Another common cause of burning feet is athlete's foot fungus. Some less common causes include alcoholism, chronic kidney failure, peripheral arterial disease, tarsal tunnel syndrome, Morton's neuroma, vitamin deficiency, HIV or AIDS, complex regional pain syndrome, and gastric bypass surgery.