De Quervain's disease, a form of stenosing tenosynovitis, predominantly affects the tendons within the first dorsal compartment of the wrist, namely the abductor pollicis longus and extensor pollicis ...

Rest, ice, compression, and elevation help treat tendonitis at home. Overuse, like typing or running, often causes extensor tendonitis. Pain from tendonitis gets worse if you use the affected muscles ...