Tri-B injections are used to treat anemia and nerve pain including trigeminal neuralgia and rheumatic pain. In addition, it treats body tremors, nerve inflammation, and neuromuscular disorders. It also treats optic nerve inflammation and vomiting during pregnancy, as well as peripheral nerve inflammation, vitamin B12 deficiency, vitamin B1 deficiency, and anemia.
Tri-B also treats mental health disorders, facial paralysis, and sciatica.