pain at the base of thumb. causes may be injury or overuse, basal joint arthritis, or carpal tunnel syndrome

ache aches aching arm arthritis base burning carpometacarpal compartment disease forearm hand hands hot inflamed inflammation injury joint ligament ligaments limb male man muscle muscles pain painful palm palmar problem problems red redness sensation sign signs sprain strain swelling symptom symptoms syndrome tender tenderness tendinitis tendon tendonitis tendons thumb trauma