The objective of this study is to identify the following in adult epilepsy participants with partial-onset seizures (with or without secondary generalized seizures) or primary generalized Tonic-clonic seizures who receive long-term treatment with Fycompa:

1. unknown adverse drug reactions (ADRs);
2. occurrence of ADRs;
3. factors that are likely to affect safety and efficacy;
4. occurrence of dizziness, balance disorders, ataxia, muscle relaxation-related adverse events, and falls as priority investigation items;
5. occurrence of psychiatric adverse events as priority investigation items (eg, aggression).

Inclusion Criteria:

• Epilepsy participants at least 18 years of age with:

  • Partial seizures (with or without secondary generalized seizures)
  • Primary generalized Tonic-clonic seizures

Exclusion Criteria:

• Participants previously treated with Fycompa

Participants with epilepsy who will receive Fycompa per the approved indication in routine clinical practice