why is vitamin b12 injection so painful injections Vit B12 to resolve symptoms of burning, shooting pain, due to peripheral neuropathy, affecting the patients mobility . Typically patients have these symptoms due to B12 Shots at Home: How,

Possible complications heart failure severe neurological deficits gastric cancer type 1 diabetes rheumatoid arthritis myasthenia gravis (a chronic condition causing muscle weakness) Hashimotos disease (an autoimmune condition affecting the thyroid) A pregnant or nursing person with a B12 deficiency When a person receives treatment for a B12 deficiency, they generally recover well and cease to have symptoms, although they may need to continue to use B12 nutritional supplements

Histopathological evaluation used a modified Mankin scoring system

But no substantial studies have shown a direct effect of vitamin B12 on human weight loss efforts

Chemotherapy with drugs like 5-fluorouracil has also been associated with acute thiamine deficiency by disrupting thiamine activation, so oncology patients receiving such therapy might receive parenteral thiamine supplementation as part of this B-Complex if needed