My you had a little of it all going on. I can only tell you about my own experience with the anaphylactic shock i went through. Months after my initial hospitalization and being given a counter shot bring me back i asked my doctor what the found out about my attack? she said she had to be honest and told me they don't have a clue, it could have been many things. but to make a long story short. Mine took me 6 months before multitasking could be accomplished, another 3 months to finally see light at the end of the tunnel. All in all i hate to say it but that depends on your own needs. what i can say is your brain and system can accomplish amazing things on its own. You have to have patience and try to think of things that make your days better. Have a blessed day. Hope i helped some.