You may suffer from a plantar fascitis: in this case I would recommend a laser therapy.
Heel pain can also be cause by a pinched nerve in your low back. An history and exam would tell us if it is a possibility. If it was the case, an x-ray or MRI of your low back would be necessary to diagnose your condition.
“At 6 weeks, improved focus and more compliance with directives was noted. The patient retained the correction of the vertebral subluxation complex post adjustment after the first 4-5 adjustments. Subjective input from teachers and bus drivers noted marked improvement in behaviour. Through this course of treatment, the child was able to discontinue use of the medication previously prescribed to control the symptoms of ADHD.”
 Chiropractic management of six-year-old child with attention deficit hyperactivity disorder (ADHD) [case report] Wittman R, Vallone SA, Williams K J Clin Chiropr Pediatr. 2009 Jun;10(1):612-620