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 ...
In people with other conditions which put the feet at risk, such as diabetes, peripheral neuropathy and peripheral arterial disease, excess sweating (hyperhidrosis) can contribute to the risks of foot infection leading to more serious conditions such as a skin infection (called cellulitis) and ulceration.