Pyridoxine may likely be effective for hyperhomocysteinemia (increased levels of homocysteine in blood). Taking Vitamin B6 and folic acid by mouth helps treat this condition.
Finally, Vitamin B6 may possibly be effective for the following conditions:
What are the side effects of Vitamin B6?
When given through an IV with medical supervision for FDA-approved uses, Vitamin B6 is likely safe. Finally, if a medical professional gives someone an injection of Vitamin B6 into their muscle for FDA-approved uses, it is likely safe. However, it is likely unsafe if this is done in large doses.