There are side effects to hormone shots for Achilles tendonitis. Hormone injections for Achilles tendonitis refer to closed treatment, and common side effects include: redness, swelling, and pain around the injection site, ranging from mild to severe; thin or pale skin around the injection site; temporary hyperglycemia if you have diabetes; temporary high blood pressure if you have high blood pressure; possible adverse effects on the soft tissue structures, such as loss of cartilaginous tissues; and over-frequency to the same area, Repeated injections can lead to weakening of bones, ligaments and tendons and induce Achilles tendon rupture. In addition, it can cause menstrual disorders in women and sexual disorders in men. Side effects do not occur in everyone, and if the injections are infrequent, no side effects may occur. It is recommended that patients with Achilles tendonitis use hormone therapy under the supervision of a doctor to minimize side effects.