Talk to Gynecologist on Epilepsy

I was a patient of epilepsy now I am almost recover from this disease and I am 5 month pregnant also some times I feel very lil fit and take dose of EPITAB XR of 200mg I want to ask how much dose of folic acid I have to take after taking this anti epilepsy medicine please reply ? Once I take a heavy dose of folic acid a 600mcg of tab and a 5mg of tablet in a same day and after that dose I don't feel normal and healthy..