What is the name of the pain you get in your thumb for no reason?

The pain you experience in your thumb for no apparent reason could be related to a condition known as De Quervain's tenosynovitis, which affects the tendons on the thumb side of your wrist. It can cause pain and discomfort, especially with movements involving the thumb. Other possible causes could include Arthritis or nerve compression, such as from carpal tunnel syndrome. If the pain persists, it's best to consult a healthcare professional for a proper diagnosis.