Injury to the radial nerve usually causes symptoms in the back of the hand, near the thumb, and in the index and middle fingers. Symptoms may include:
sharp or burning pain
numbness or tingling
trouble straightening the arm
trouble moving the wrist and fingers
“drooping” of the wrist and fingers (not being able to extend or straighten the wrist and fingers), also called “wrist drop” and “finger drop”
weak hand grip
analgesic or anti-inflammatory medications
anti-seizure medications or tricyclic antidepressants (prescribed to treat pain)
steroid injections
anesthetic creams or patches
braces or splints
physical therapy to help build and maintain muscle strength
massage
acupuncture (inserting thin needles into various pressure points throughout the body)