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 ...
Certain foods can increase chemicals in your body that cause tissue inflammation. This inflammation could appear in your foot as plantar fasciitis, which causes pain in the thick band of tissue that runs across the bottom of your foot, in your heel, or elsewhere in your foot.