I have red bumps on the bottom of my feet that blister then dry. The started in the middle then spread to the top and the heel.

Likely verruca. Vulgaris or common warts. Without an exam is not possible to get a firm diagnosis otherwise. i would suggest either a health tap paid consult or seeing your physician so that you can have the right treatment.

Related Questions

I have tiny dark red bumps on the side of my left foot... they look like small cluster of blisters. Are dark red and skin hard around aira?

See a skin doctor. Keep your feet clean and dry and open to the air soon you get home if there is any history of diabetes or not getting any better you need to see your doctor or preferably a skin doctor. Read more...