This information is for educational purposes only. It is not intended as medical advice. Always consult a qualified healthcare professional.
OTC
Zonisamide - Indications, Dosage, Side Effects and Precautions
50 mg/1, Capsule
INN: ZONISAMIDE
Data updated: 2026-04-25
Available in:
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Form
CAPSULE
Dosage
50 mg/1
Route
ORAL
Storage
—
About This Product
Manufacturer
User Reviews
Reviews reflect personal experiences and are not medical advice. Always consult your doctor.
BluePoint Laboratories
ATC Code
N03AX15
Source
OPENFDA_NDC
USDailyMed:Zonisamide
AU:D
N03AX15(WHO)
AU:S4(Prescription only)UK:POM(Prescription only)US:℞-onlyEU:Rx-only
benzo[d]isoxazol-3-ylmethanesulfonamide
68291-97-4Y
5734
7047
DB00909Y
5532Y
459384H98V
D00538Y
CHEBI:10127Y
ChEMBL750Y
ZON (PDBe,RCSB PDB)
DTXSID9046023
Interactive image
O=S(=O)(N)Cc2noc1ccccc12
InChI=1S/C8H8N2O3S/c9-14(11,12)5-7-6-3-1-2-4-8(6)13-10-7/h1-4H,5H2,(H2,9,11,12)YKey:UBQNRHZMVUUOMG-UHFFFAOYSA-NY
Zonisamide, sold under the brand nameZonegranamong others, is amedicationused to treat the symptoms ofepilepsyandParkinson's disease.Chemically it is asulfonamide. It serves as ananticonvulsantused primarily as anadjunctivetherapy in adults with Parkinson's disease,partial-onset seizures;infantile spasm, mixed seizure types ofLennox–Gastaut syndrome,myoclonicand generalizedtonic clonic seizure.Despite this it is also sometimes used as amonotherapyfor partial-onset seizures.
In 2020, it was the 276th most commonly prescribed medication in the United States, with more than 1million prescriptions.
⚠️ Warnings
• Caution should be exercised in patients with history of liver or kidney problems, kidney stones, lung or breathing problems, suicidal thoughts, any allergy, who are taking other medications, elderly, during pregnancy and breastfeeding.
• Avoid abrupt withdrawal.
• It may cause dizziness, drowsiness or blurred vision, do not drive a car or operate machinery while taking this medication.
• Avoid exposure to sunlight; otherwise it may lead to heatstroke.
• It may cause acidosis in patients with kidney problem, breathing problem, and diarrhea; it if so consult with your doctor immediately.
• Patient may develop with increased risk of suicidal thoughts; watch them carefully.