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 ...
Foot Bursitis Causes. Bursitis is caused when an inflammation occurs and excess fluid builds up in one or several bursae. This build up of excess fluid can be caused by many different factors. The biggest factor is the bursa becoming inflamed due to strain or something (like a muscle, bone or tendon) rubbing against it too hard.