Could Switching From Levetiracetam Pills To Liquid Cause Constant Daydreaming, Poor Focus, And Feeling Like A Zombie?

Hiya I m epileptic and am on levetracitam, recently I have switched to the liquid for instead of pills, and have been having really bad day dreaming and can t stop it it s also really hard for me to pay attention and all round I just feel like a zombie, what do I do!? Help!