Bipolar Disorder Support Group
Bipolar disorder is not just a single disorder, but a category of mood disorders marked by periods of abnormally high energy and euphoria, often accompanied by bouts of clinical depression. This is the place to talk about your experience with bipolar disorder, learn from others' experiences, and find support.

https://www.ehealthme.com/drug-interaction/lithium-carbonate/lamictal/
Interactions between your drugs
Moderate
lithium lamoTRIgine
Applies to: lithium, Lamictal (lamotrigine)
Using lithium together with lamoTRIgine may increase side effects such as dizziness, drowsiness, confusion, and difficulty concentrating. Some people, especially the elderly, may also experience impairment in thinking, judgment, and motor coordination. You should avoid or limit the use of alcohol while being treated with these medications. Also avoid activities requiring mental alertness such as driving or operating hazardous machinery until you know how the medications affect you. Talk to your doctor if you have any questions or concerns. It is important to tell your doctor about all other medications you use, including vitamins and herbs. Do not stop using any medications without first talking to your doctor.
TC out of curiosity how old is your Pdoc?
Kat
Kat
Best to you what ever you decide to do.