Dear Vinod, I have gone through your post in which you mentioned that you have vitamin B12 deficiency
and presently taking nervijen injections for the same.
Nervijen is a multivitamin
composition & have few side effects like nausea, drowsiness
, dry mouth
But these side effects are mild & well tolerated...moreover with one injection per month as suggested by your Neurologist
, there is nothing to worry about them.
Before deciding on the duration of treatment, it will be better to try to find out the cause of your Vit. B12 deficiency (either due to inadequate dietary intake or due to inadequate absorption of Vit B12 in the intestine)
Vit B12 is found in most animal derived foods like fish, meat, eggs, milk & milk products.
So...once you have achieved symptomatic relief after taking injections, switch on to these dietary sources.
Wishing you a Healthy Life.