What disease does index finger pain indicate?

Jun 29, 2021 Source: Cainiu Health
Disease description:

Starting one day ago, I’ve experienced sharp, needle-like pain at the tip of my right index finger, accompanied by numbness upon palpation. I’m unsure of the cause. My overall health has always been good, and I’d like to understand: what condition might finger pain indicate?

Doctor's answer (2)
Dr. Li Bo
Hello, The symptoms suggest possible subluxation of the interphalangeal joint of your right index finger. This may have resulted from a prior contusion or sprain to the right index finger, potentially causing ligament injury within the interphalangeal joint and subsequently leading to subluxation. As a result, you may experience significant pain in the interphalangeal joint during movement of the index finger. Additionally, the symptoms indicate overuse-related fatigue injury of the right index finger—commonly seen in individuals who maintain prolonged pen-holding postures, which can lead to cumulative fatigue injury and resultant pain in the right index finger. We hope this information is helpful to you. Wishing you a pleasant and healthy life!