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 ...
Causes of Foot Pain. Physical trauma or injury is the most common cause of foot pain, often resulting in sprains (injury to the ligaments) or fractures (injury to the bones). Such injuries often occur when the ankle turns, twists or rolls over, far beyond its normal range of motion. Sports fans see plenty of these in the NFL or NBA.