Tendonitis is treated by applying medication to the affected area, which is the site of swelling and pain, or by pressing with the fingers. The most common site of tendovaginitis is the metacarpophalangeal joint of the finger, usually on the palmar side of the finger, and also in the wrist joint, that is, on the side of the thumb, which is also prone to radial styloid process, stenosing tendovaginitis, which also causes local swelling and pain as well as pain on pressure, especially when the thumb is active, the local symptoms are more serious, and the patch should be applied to this area. In addition, if a local rash or itchiness occurs during the patching process, it is often considered an allergic reaction to the medication, which should be stopped and treated with other methods, such as oral non-steroidal anti-inflammatory and analgesic drugs or closed injection therapy. If conservative treatment for tendonitis is not effective, surgery may be considered.