How safe is a nuclear stress test with passed weak kidney function, but normal now
1 Common causes of heel pain include obesity, ill-fitting shoes, running and jumping on hard surfaces, abnormal walking style, injuries and certain diseases.  Plantar fasciitis is inflammation of the ligament that runs the length of the foot, commonly caused by overstretching.
1 doctor agreed: Nerves: Most burning type of pain is caused by a nerve problem. Depending on the location of the pain on the bottom of the foot it may be caused by plantar fasciitis entrapping the nerve at the side & bottom of the heel. If at the level of the toes it could be a neuroma.