The objectives of this post-marketing surveillance (PMS) are to grasp the actual use of lamotrigine tablets to collect safety information in the long-term use according to seizure type and concomitant antiepileptic drug (AED), and to confirm its efficacy.

Inclusion Criteria:

• Subjects with epilepsy with partial seizures, tonic-clonic seizuresm or generalized seizures of Lennox-Gastaut syndrome
• Subjects who are treated with lamotrigine tablets

Exclusion Criteria:

• None

Adult (>=15 to <65 years) and pediatric (>=2 to <15 years) subjects with epilepsy with the following seizure type who use lamotrigine tablets

• Partial seizures
• Tonic-clonic seizures
• Generalized seizures of Lennox-Gastaut syndrome