Pain in both hands, most of the pain between thumb and index finger of right hand- pain radiates past wrist into lower part of arm, strength loss hands.

Carpal tunnel?: Pain, numbness, tingling in the thumb, index and middle finger along with hand weakness suggests carpal tunnel syndrome. You should get an electro diagnostic evaluation to confirm the diagnosis.

Hand pain: Can be related to arthritis from the cmc (base of thumb) or stt (inside of thumb) arthritis, possible tenosynovitis of the dorsal compartment, or possible carpal or radial nerve issue. A physical examination with shed light on exact cause to determine best treatment.

Needs evaluation: Pain in this location can occur with several conditions including arthritis at the base of the thumb (cmc joint) and carpal tunnel syndrome. A proper evaluation from a hand surgeon with appropriate testing such as an ultrasound or nerve studies with x-rays can differentiate between these conditions.