According to Drugs.com, consuming alcohol while on the drug Lamictal can lead to side effects such as dizziness, drowsiness and headaches; it is therefore recommended to limit or avoid drinking alcohol. It is especially important to not operate heavy machinery or drive while under this treatment.
Lamictal, as explained by Drugs.com, is an anti-epilectic and anti-convulsant medication. It is commonly used to treat epilepsy and bipolar disorder. A possibly life-threatening skin rash is a side effect, although this may result from taking too much Lamictal in the beginning stages of treatment. Thoughts of suicide and other serious mood changes must be immediately reported to a doctor.