I experience random hot flashes in my left foot. when i am at home my foot gets suddenly really warm until i remove my sock.

Foot feeling hot: Hot flashes in your foot can be any of these: gout can cause a hot red swollen toe joint or ankle. It's rare for your age. Get a blood test check your uric acid level. A bad case of erruptive tinea pedis which is athlete's feet or fungus. Neuroma or imflamed nerve in the ball of your foot can also cause sharp radiating pain. Other causes can be stress fracture and plantar fasciitis. See foot dr.

May be a form : Of neuropathy....A emg/ncv test typically performed by a neurologist may be of value in confirming a diagnosis.