Unlike heel spurs, plantar fasciitis is the inflammation of the plantar fascia that makes up the arch of the foot. 70% of people who have plantar fasciitis also have a heel spur. The symptoms are similar, Pain on the underside of the foot. Highland Orthopedic Supply has a wide variety of braces, supports, and therapy products to help reduce swelling and pain caused by plantar fasciitis. We carry leading brands like Breg and DeRoyal.