Answer:
C). stop taking vitamin B-6, because he's showing signs and having symptoms of vitamin B-6 toxicity.
Step-by-step explanation:
Increase amount of vitamin B6 lead to lack of muscle control and coordination causing numbness in the body. walking is also painful and unsteady after the side effects of increase amount of Vitamin B6 appears. High amount of Vitamin B6 can also cause nerve damage due to which coordination of body is also affected.
SO if hands were feeling numb and his walking is unsteady. Based on this information, Sean should immediately stop taking vitamin B-6, because he's showing signs and having symptoms of vitamin B-6 toxicity.