Key references: Tonic-clonic seizures where generalised or focal (partial) onset is unclear

Somerville ER. Some treatments cause seizure aggravation in idiopathic epilepsies (especially absence epilepsy). Epilepsia 2009;50 Suppl 8:31–6. https://www.ncbi.nlm.nih.gov/pubmed/19702731
Tomson T, Marson A, Boon P, Canevini MP, Covanis A, Gaily E, et al. Valproate in the treatment of epilepsy in girls and women of childbearing potential. Epilepsia 2015;56(7):1006–19. https://www.ncbi.nlm.nih.gov/pubmed/25851171