Expecting the hematologist to tell me what to do next

I stopped taking the sublingual B12 almost a week ago because I thought I was having a reaction to the 5,000mcg amount of the medication/supplement. I found out through the course of time that what I was experiencing was because of the medication/supplement. I’m waiting to see what the hematologist will say what to do. I think that the 5,000 mcg is too much. I never thought I’d say the is but I think I just want to get the stupid injection and be done with it. We’ll see what happens .