Tingling in your fingers can indicate pressure on nerves, nerve damage, diabetes, nerve entrapment syndrome, systemic diseases, vitamin deficiencies or alcoholism. The most common cause for tingling in the fingers, hand and feet is diabetes, according to WebMD.
Tingling in the fingers, hands and feet is common, according to WebMD. Temporary tingling is most commonly caused when pressure is applies to the nerves. An example of temporary tingling is when your hand or foot falls asleep. Chronic tingling can indicate a severe medical condition. Nerve damage known as peripheral neuropathy causes tingling in the hands and feet, and 30 percent of peripheral neuropathy is caused by diabetes.