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 ...
Footwear can be a contributor to foot pain. Poor fitting shoes in the short term can cause blisters, calluses, bruising and be a source of athlete's foot. The long-term effects may be bunions, corns, irritation of nerves and joints, misalignment of the toes, and the source of microtrauma injuries to the foot.