What Causes Loss Of Consciousness After Taking Avonex Injection For Multiple Sclerosis?

I am on Avonex injec for MS and since starting the injections I have started passing out after eating meals, my endocrinologist thinks the Avonex is the cause and made me glucose intolerant, I am due for tests soon, I alr have reactive hypoglycaemia, should I stop my Avonex injections? No one seems to know