i got weak and abdominal discomfort,confusion ,blurry vision,etc. my daughter went to give me my medications and there was no lithium there, she refilled my perscription 2 days later i went to the er levels must have been good. i week later i found my lithium in my work bag. i must have been taking 2 lamotrigen 100 mg.and 1 200mg, of lamotrigene thinking i was taking correct medications.