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 ...
Common causes of tingling feet include: 1  Peripheral neuropathy (nerve damage). 2  Nerve dysfunction, such as a pinched nerve. 3  Nerve entrapment. 4  Poor blood circulation. 5  Medication (tingling could be a side effect). 6  Systemic diseases, such as hypothyroidism or multiple sclerosis. 7  Trauma or injury to a nerve, such as with a broken foot.