Adverse Drug Reaction Classification System

Pharmaceutical Information
Drug Name Zonisamide
Drug ID BADD_D02396
Description Zonisamide is a sulfonamide anticonvulsant approved for use as an adjunctive therapy in adults with partial-onset seizures. Zonisamide may be a carbonic anhydrase inhibitor although this is not one of the primary mechanisms of action. Zonisamide may act by blocking repetitive firing of voltage-gated sodium channels leading to a reduction of T-type calcium channel currents, or by binding allosterically to GABA receptors. This latter action may inhibit the uptake of the inhibitory neurotransmitter GABA while enhancing the uptake of the excitatory neurotransmitter glutamate.
Indications and Usage For use as adjunctive treatment of partial seizures in adults with epilepsy.
Marketing Status approved; investigational
ATC Code N03AX15
DrugBank ID DB00909
KEGG ID D00538
MeSH ID D000078305
PubChem ID 5734
TTD Drug ID D09ZIS
NDC Product Code 76282-228; 13672-001; 60510-611; 65841-125; 70600-003; 59651-380; 63629-3293; 68001-242; 68462-129; 70771-1143; 72578-040; 76282-226; 38217-0040; 59651-378; 35356-143; 59212-681; 63187-897; 70518-3224; 70771-1144; 49452-9000; 76072-1012; 0615-8266; 72578-041; 60687-230; 61919-917; 62756-259; 62756-260; 17511-137; 68554-0009; 29300-430; 63187-583; 69097-861; 71335-0486; 71052-065; 52652-8001; 68001-244; 76282-227; 13672-002; 51927-0109; 51927-4807; 59361-002; 59212-680; 59651-379; 46438-0063; 60510-610; 66039-122; 73309-257; 29300-429; 62756-258; 70771-1142; 51552-1572; 73377-112; 68001-243; 68788-7438; 72578-042; 62756-334; 29300-428; 50268-816; 68462-128; 68462-130; 70518-3180; 71205-727; 71335-0962; 71335-9679; 72189-374; 38779-3045; 66039-929
UNII 459384H98V
Synonyms Zonisamide | 3-Sulfamoylmethyl-1,2-benzisoxazole | 3 Sulfamoylmethyl 1,2 benzisoxazole | AD 810 | AD-810 | AD810 | CI 912 | CI-912 | CI912 | Zonegran | Zonisamide Monosodium
Chemical Information
Molecular Formula C8H8N2O3S
CAS Registry Number 68291-97-4
SMILES C1=CC=C2C(=C1)C(=NO2)CS(=O)(=O)N
Chemical Structure
ADRs Induced by Drug
*The priority for ADR severity classification is based on FAERS assessment, followed by the most severe level in CTCAE rating. If neither is available, it will be displayed as 'Not available'.
**The 'Not Available' level is hidden by default and can be restored by clicking on the legend twice..
ADR Term ADReCS ID ADR Frequency (FAERS) ADR Severity Grade (FAERS) ADR Severity Grade (CTCAE)
Ventricular extrasystoles02.03.04.007--Not Available
Vertigo17.02.12.002; 04.04.01.0030.000414%
Visual acuity reduced06.02.10.012; 17.17.01.0110.000414%
Visual field defect06.02.07.003; 17.17.01.001--Not Available
Visual impairment06.02.10.0130.000414%Not Available
Vomiting07.01.07.003--
Weight decreased13.15.01.005--
Weight increased13.15.01.006--
Mental status changes19.07.01.0010.000622%Not Available
Balance disorder08.01.03.081; 17.02.02.0070.000622%Not Available
Bradyphrenia19.10.03.002; 17.03.03.004--Not Available
Lupus-like syndrome23.03.02.004; 15.06.02.004; 10.04.03.0030.000622%Not Available
Oscillopsia06.02.06.0090.000414%Not Available
Lymphatic disorder01.09.01.003--Not Available
Musculoskeletal stiffness15.03.05.027--Not Available
Musculoskeletal discomfort15.03.04.001--Not Available
Extraocular muscle disorder15.05.05.004; 06.05.02.0050.000414%Not Available
Depressive symptom19.15.02.0030.000414%Not Available
Affect lability19.04.01.001--Not Available
Vascular insufficiency24.04.02.014--Not Available
Dysphemia17.02.08.010; 19.19.03.0050.000622%Not Available
Paraesthesia oral07.05.05.035; 17.02.06.008--Not Available
Cognitive disorder19.21.02.001; 17.03.03.0030.002942%
Toxic skin eruption12.03.01.073; 23.03.05.003; 10.01.01.0080.000622%Not Available
Metabolic disorder14.11.01.0010.000414%Not Available
Nuchal rigidity17.05.02.006; 15.05.04.005--Not Available
Muscle relaxant therapy25.16.01.001--Not Available
Disturbance in sexual arousal19.08.04.003--Not Available
Urine output increased13.13.03.002--Not Available
Cardiac disorder02.11.01.0030.000414%Not Available
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