Authoritative Sources For patient medication information, review MedlinePlus cyanocobalamin injection information
We serve patients throughout Greater Houston including Houston Heights, Memorial, The Woodlands, Sugar Land, Katy, and Pearland
Proximal gastrectomy is associated with a lower incidence of anemia and vitamin B12 deficiency compared to total gastrectomy in patients with upper gastric cancer (233)
Another study in the Journal of the American Medical Association notes that among those with diabetic nephropathy (loss of kidney function due to diabetes), combining vitamin B6 (25 mg) and folic acid (2.5 mg) (B-complex vitamin) with 1,000 mcg of oral B12 per day for six years increases the risk of cardiovascular events, including heart attack and stroke
You may experience severe side effects like: Confusion Dizziness Extreme tiredness Dermatological Effects Most skin reactions from a B12 injection come from an allergic reaction