Just to give an update ...

my wife has been experiencing a lot more symptoms in last 3 days or so...
- shortness in breath...once in a while
- pain in left leg and arm has increased ...
( she used to feel that couple of months ago before starting b12).
- sleeplessness
- had a terrible body ache (over entire body) early in the morning ..was unable to getup from the bed.
- feeling weird
- feeling uneasy in stomach for last 3 days..(pain)

Again , it's not that she never had all the above symptoms..she used to feel like that before taking b12 frequently. But her condition like this has been first time(bad health continuously for 3 days) after she started methyl-b12 dose(2 months ago...2000mcg/day).

I have read in this forum that symptoms might get worse after someone starts b12.but on our last visit to the doc. , i asked this question, his answer was ..it depends!....