Hi I m just wondering about my lithium level, I was on 800mg a day for 10yrs, I had to stop taking lithium dud to upset tummy, it was reintroduced about 2 months ago 400mg a day, I m just wondering should my dose be increased to 800mg, as I am stuk in a rut, unable to function and I m wondering would an increase in my lithium help to lift my severe depression. I have been unable to contact my dr. For the last two weeks ty Lorna