Zonegran (Zonisamide): Extensive information about this anticonvulsant from RXList. Includes side effects, drug interactions, dosage, pharmacology, product warnings and precautions, overdose, contraindications, and patient faq.Zonegran (Zonisamide) Capsules: Newly Approved Drug Therapies: Profile prepared at the time of US FDA approval, from CenterWatch Clinical Trials Listing Service. Discusses uses, results of clinical testing, side effects, and mechnisms of action.Zonisamide - Medline Plus: Information for consumers including proper use, precautions, and storage recommendations.