Inflammation of the Achilles tendon (Achilles tendinopathy) can cause pain behind the ankle, going down on the again with the heel. Ice. Making use of ice to the afflicted area may also help cut down inflammation and relieve pain. You might test rolling your foot above a cold h2o bottle https://specialistsphere.com/foot-and-ankle-pain-explained-common-conditions-diagnosis-and-effective-treatments/