Methylcobalamin is not generally recommended for Achilles tendonitis, methylcobalamin is a nutritive nerve drug, which is not symptomatic with Achilles tendonitis, but if the Achilles tendonitis is accompanied by nerve compression or injury, some methylcobalamin can be used to assist the treatment under the guidance of the doctor. Achilles tendonitis is mainly due to some factors under the stimulation, damage to the Achilles tendon, aseptic inflammation occurs, generally used anti-inflammatory analgesic drugs, such as compound acetaminophen tablets and other treatment. However, methylcobalamin can quickly repair the nerves and relieve pain, numbness and other symptoms of nerve injury caused by nerve damage, and has some secondary effects on nerve injury type tendonitis. The use of this medication can be determined on medical advice. In addition, this drug should be contraindicated for those who are allergic to it, and should be used with caution by children, pregnant women, and nursing mothers under the guidance of a doctor. Patients with Achilles tendonitis can be treated with a number of other medications under the supervision of a doctor, such as non-steroidal anti-inflammatory drugs (celecoxib capsules, diclofenac capsules, etc.), glucocorticosteroids (prednisolone acetate tablets, etc.), and surgical therapies such as Achilles tendon cleaning. In addition, cold therapy, physiotherapy, extracorporeal shock wave and other therapeutic effects are also good. Therefore, if Achilles tendonitis occurs, you should go to the hospital in time, undergo the relevant examination, clarify the cause of the disease, and deal with the cause.