The causes of pain and swelling at the extension of the index and middle fingers on the back of the right hand may be trauma, fasciitis, gout, rheumatoid arthritis and so on.
1. Trauma: Friction, squeezing and other stimuli on the back of the hand will cause localized swelling and pain.
2. Fasciitis: Fasciitis of the back of the hand can be caused by long-term strain, cold and other reasons, which will also cause swelling and pain.
3. Gout: Uric acid crystals deposited on the back of the hand will form gout stones, which will irritate the surrounding tissues, resulting in pain and swelling on the back of the hand as well as limitation of activities.
4. Rheumatoid arthritis: It can also cause swelling and pain on the back of the hand, accompanied by symptoms such as morning stiffness of the joints.
The pain and swelling at the extension of the index and middle fingers on the back of the right hand may have other causes, if the symptoms are serious, it is recommended to go to the hospital in time to identify the cause of the disease and then targeted treatment.