Thanks for writing in to Healthcare Magic!
The side effects you are having are idiosyncratic and are not seen frequently with the use of valsartan
You should consult your physician, get a physical examination to rule out some other ailment as a cause for this. You can switch to other medicines under the supervision.
is difficult to tolerate and itself produces side effect of itching.
Get your blood sugar levels and vit B12 levels checked for any disordered metabolism
If you have any further query please let me know I would try to answer it for you.
Wish you a great health!