Tendonitis can be very painful, and the discomfort can get stronger if you keep using the joint and damage to the tendon worsens. Tendonitis usually heals in about 2 to 4 weeks, but chronic tendontis ...

Achilles tendonitis, alongside plantar fasciitis and runner's knee, is a painful but unfortunately common running injury. The terminology, however, isn't quite right. ‘In most cases,’ says running ...