Rheumatic pain according to Chinese Medicine
The information provided here is not a replacement for a doctor. You shouldn't use it for the purpose of self-diagnosing or self-medicating but rather so you can have a more informed discussion with a professional TCM practitioner.
Silkworm might help with rheumatic pain
Why might Silkworm (Jiang Can) help with rheumatic pain?
Because it is a herb specifically indicated to treat rheumatic pain as can be seen on Silkworm's page.
Silkworms is a Neutral herb that tastes Pungent and Salty. It targets the Liver and the Lung.
Its main actions are: Antispasmodic, subdues Internal Wind. Expels Wind and stops pain. Clears Toxins and dissipates nodules.
Other symptoms often associated with rheumatic pain
Convulsions in children Bells palsy Epilepsy Tetanus Migraine Sore throat Conjunctivitis Painful eyes Swellings Swollen glands