Lamotrigine is used to treat certain types of seizures in patients with epilepsy and also to treat bipolar disorder. This anticonvulsant is not chemically related to any other anticonvulsant.
Take Lamictal by mouth with a glass of water, with or without food. Take the drug only as prescribed because dosage and schedule may vary depending on your condition and other factors. Avoid cutting, crushing or chewing this medicine. 
Do not take the medicine more often than it is prescribed. Do not give up taking it except on the advice of your doctor. 
It may need time for the medicine to help. 
Consult your doctor concerning proper dose for you. 
Lamictal should not be used by patients having demonstrated a reaction of hypersensitivity to Lamotrigine. 
The most common side effects are dizziness, drowsiness, lightheadedness, confusion, agitation, increased anxiety, etc. 
A very serious allergic reaction rarely occurs. Many people using this medicine do not have serious side effects. 
Turn to your doctor or pharmacist for more details. 
In case you notice the effects not listed here, contact your doctor or pharmacist. 
If you have missed your dose, take it as soon as you remember. If you see that it is near the time for the next dose, skip the missed dose and resume your usual dosing schedule. Do not take your dose twice. 
If you think you have used too much of this medicine seek emergency medical attention right away. The symptoms of overdose usually include chest pain, nausea, irregular heartbeat, and feeling light-headed or fainting. 
Store your medicines at room temperature between 68-77 degrees F (20-25 degrees C) away from light and moisture. Do not store your drugs in the bathroom. Keep all drugs away from reach of children and pets.