Lamictal Was Started To Replace 125 Mg Seraquel Causing Severe

Lamictal was started to replace 125 mg seraquel causing severe weight gain! Seraquel was titrated down,over 2 wks while lamictal was started 1 in am then am + HS. Was to have increased lam. To 2 tabs am +'2 pm BUT
Experienced severe sweating after lamictal.dose + now have periodic headaches,can't sleep.Have more energy + no longer suicidal ideation.' Have not increased dose to prescribed "2 in am,2 HS due to
Side effects! Do you think I should stay with drug but what for sleep now?