A novel dosing treatment for the administration of botulinum toxin injected into the calf muscle, namely, gastrocnemius-soleus complex in a range of about 50 to about 180 units and foot muscle group comprising one or more of a group consisting of the plantar intrinsic muscles, the plantar fascia muscles and calcaneal periosteum muscles in a range of about 20 to about 90 units of a patient to treat plantar fasciitis.
