[Cloud9Fitness]

I suspect plantar fasciitis with pain localized to the heel. Other possibilities include fracture, bursitis, or less common bone/inflammation disorders. Many things can predispose you to this problem, with the most common being excessive pronation (flattened arch) while walking or running.

I'm not a big supporter of orthotics, but some people think that they may help. (I find orthotics just cause my patients to have more foot pain). Other things that may help include improving the flexibility of your gastroc/soleus and night splints for your ankle that keep your foot neutral to slightly dorsi-flexed (toes slightly pointed up)