Zonisamide 100 MG Oral Capsule — RxCUI 314285
RxNorm drug concept · Semantic clinical drug
RxCUI 314285
Semantic clinical drug · SCD
● Current RxNorm concept 43 FDA products
102 package NDCs
Snapshot Jul 14, 2026
What you’re looking at: the standardized identity of one medicine, as the U.S. drug-data system sees it. Below — every FDA-listed product, package code, price benchmark, and billing code that maps to it.
🗂️ Key Facts
RxCUI314285
Official nameZonisamide 100 MG Oral Capsule
Concept typeSemantic clinical drug (SCD)
RxNorm statusCurrent RxNorm concept
FDA products mapped43
Package NDCs mapped102
Reported Medicaid activity (SDUD)357,404 prescriptions · 52 state & territory Medicaid programs · latest period Q4 2025
RxNorm release07/06/2026
Snapshot dataJul 14, 2026
📖 Skip the Codes — Read It in Plain English.
Our pharmacist-built guide to Zonisamide: what it is, how it’s used, side effects, and interactions.
📗 Our plain-language guide HelloPharmacist
- Zonisamide is used to help control partial seizures — seizures that start in one specific area of the brain. It's always used as an add-on to other seizure medications, not on its...
- Because zonisamide stays in your body for a long time — with a half-life of about 63 hours — it takes roughly two weeks after each dose change to reach a stable level. Your doctor...
- How long does it take before zonisamide starts working?
- The most common ones are drowsiness, dizziness, loss of appetite, nausea, and trouble concentrating or remembering things — especially as the dose goes up. These are often manageab...
🕸️ Concept Web — How Zonisamide 100 MG Oral Capsule Connects
One RxCUI never lives alone. Follow the path from the raw ingredient down to the exact strength-and-form concepts FDA products carry — every stop is a real RxNorm concept with its own identifier. Hover or focus any chip for what it means.
This page's concept
Zonisamide 100 MG Oral Capsule
RxCUI 314285 Semantic clinical drug · SCD
Every web starts here: one RxCUI, one fixed meaning in the RxNorm vocabulary.
-
Ingredients 1
The active substance itself — no strength, form, or brand attached yet.
-
Zonisamide
39998IN
-
Zonisamide
-
Brand names 1
The same medicine's trade names. A brand name alone says nothing about strength or form.
-
Zonegran
261708BN
-
Zonegran
-
Dose forms 9
The ingredient poured into a form — tablet, solution, cream — still without one fixed strength.
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Zonisamide Oral Capsule
374625SCDF -
Zonisamide Oral Product
1156263SCDG -
Zonisamide Pill
1156264SCDG -
Zonisamide Oral Capsule [Zonegran]
366554SBDF -
Zonegran Oral Product
1186309SBDG -
Zonegran Pill
1186310SBDG -
Oral Capsule
316965DF -
Oral Product
1151131DFG - +1 more in this family
-
Zonisamide Oral Capsule
-
Clinical & branded drugs 3
Ingredient + strength + dose form. These are the concepts real FDA products actually carry.
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Zonisamide 100 MG
330418SCDC -
Zonisamide 100 MG Oral Capsule [Zonegran]
284408SBD -
Zonisamide 100 MG [Zonegran]
574848SBDC
-
Zonisamide 100 MG
Showing up to 8 concepts per family — 13 of 14 stored related concepts drawn.
These are official RxNorm vocabulary relationships — how concepts name and organize the same medicine. They do not establish therapeutic equivalence or substitutability: two concepts appearing in one web is never a statement that products can be swapped.
🔀 Generic ⇄ Brand Crosswalk
The same medicine has an unbranded (generic) identity and one or more brand-name identities — each with its own RxCUI. This is a naming relationship in RxNorm, not a statement that any two products are substitutable.
Generic (Clinical) Concepts
-
Zonisamide 100 MG
SCDC · 330418 -
Zonisamide Oral Capsule
SCDF · 374625 -
Zonisamide Oral Product
SCDG · 1156263 -
Zonisamide Pill
SCDG · 1156264
Brand-Name Concepts
-
Zonisamide 100 MG Oral Capsule [Zonegran]
SBD · 284408 -
Zonisamide 100 MG [Zonegran]
SBDC · 574848 -
Zonisamide Oral Capsule [Zonegran]
SBDF · 366554 -
Zonegran Oral Product
SBDG · 1186309 -
Zonegran Pill
SBDG · 1186310 -
Zonegran
BN · 261708
📦 FDA Products & Package NDCs
43 products · 102 package NDCs
102 package NDCs map to RxCUI 314285 in the current snapshot — up to 50 per page. Each linked NDC opens its full package page.
| Package NDC | Package | Brand / generic name | Labeler | Marketing start |
|---|---|---|---|---|
| 00615-8266-39 | 30 CAPSULE in 1 BLISTER PACK (0615-8266-39) | zonisamide | NCS HealthCare of KY, LLC dba Vangard Labs | 2019-01-10 |
| 29300-0428-01 | 100 CAPSULE in 1 BOTTLE (29300-428-01) | Zonisamide | Unichem Pharmaceuticals (USA), Inc. | 2021-07-09 |
| 29300-0428-05 | 500 CAPSULE in 1 BOTTLE (29300-428-05) | Zonisamide | Unichem Pharmaceuticals (USA), Inc. | 2021-07-09 |
| 29300-0429-01 | 100 CAPSULE in 1 BOTTLE (29300-429-01) | Zonisamide | Unichem Pharmaceuticals (USA), Inc. | 2021-07-09 |
| 29300-0429-05 | 500 CAPSULE in 1 BOTTLE (29300-429-05) | Zonisamide | Unichem Pharmaceuticals (USA), Inc. | 2021-07-09 |
| 29300-0430-01 | 100 CAPSULE in 1 BOTTLE (29300-430-01) | Zonisamide | Unichem Pharmaceuticals (USA), Inc. | 2021-07-09 |
| 29300-0430-05 | 500 CAPSULE in 1 BOTTLE (29300-430-05) | Zonisamide | Unichem Pharmaceuticals (USA), Inc. | 2021-07-09 |
| 50268-0816-15 | 50 BLISTER PACK in 1 BOX (50268-816-15) / 1 CAPSULE in 1 BL... | Zonisamide | AvPAK | 2014-07-02 |
| 59212-0680-10 | 100 CAPSULE in 1 BOTTLE (59212-680-10) | Zonegran | Advanz Pharma (US) Corp. | 2000-03-27 |
| 59212-0681-10 | 100 CAPSULE in 1 BOTTLE (59212-681-10) | Zonegran | Advanz Pharma (US) Corp. | 2000-03-27 |
| 59651-0378-01 | 100 CAPSULE in 1 BOTTLE (59651-378-01) | Zonisamide | Aurobindo Pharma Limited | 2020-08-17 |
| 59651-0378-03 | 30 CAPSULE in 1 BOTTLE (59651-378-03) | Zonisamide | Aurobindo Pharma Limited | 2020-08-17 |
| 59651-0378-05 | 500 CAPSULE in 1 BOTTLE (59651-378-05) | Zonisamide | Aurobindo Pharma Limited | 2020-08-17 |
| 59651-0378-60 | 60 CAPSULE in 1 BOTTLE (59651-378-60) | Zonisamide | Aurobindo Pharma Limited | 2020-08-17 |
| 59651-0379-01 | 100 CAPSULE in 1 BOTTLE (59651-379-01) | Zonisamide | Aurobindo Pharma Limited | 2020-08-17 |
| 59651-0379-03 | 30 CAPSULE in 1 BOTTLE (59651-379-03) | Zonisamide | Aurobindo Pharma Limited | 2020-08-17 |
| 59651-0379-05 | 500 CAPSULE in 1 BOTTLE (59651-379-05) | Zonisamide | Aurobindo Pharma Limited | 2020-08-17 |
| 59651-0379-60 | 60 CAPSULE in 1 BOTTLE (59651-379-60) | Zonisamide | Aurobindo Pharma Limited | 2020-08-17 |
| 59651-0380-01 | 100 CAPSULE in 1 BOTTLE (59651-380-01) | Zonisamide | Aurobindo Pharma Limited | 2020-08-17 |
| 59651-0380-03 | 30 CAPSULE in 1 BOTTLE (59651-380-03) | Zonisamide | Aurobindo Pharma Limited | 2020-08-17 |
| 59651-0380-05 | 500 CAPSULE in 1 BOTTLE (59651-380-05) | Zonisamide | Aurobindo Pharma Limited | 2020-08-17 |
| 59651-0380-60 | 60 CAPSULE in 1 BOTTLE (59651-380-60) | Zonisamide | Aurobindo Pharma Limited | 2020-08-17 |
| 60687-0230-01 | 100 BLISTER PACK in 1 BOX, UNIT-DOSE (60687-230-01) / 1 CAP... | Zonisamide | American Health Packaging | 2018-08-14 |
| 62756-0258-01 | 30 CAPSULE in 1 BOTTLE (62756-258-01) | Zonisamide | Sun Pharmaceutical Industries, Inc. | 2006-03-17 |
| 62756-0258-03 | 100 CAPSULE in 1 BOTTLE (62756-258-03) | Zonisamide | Sun Pharmaceutical Industries, Inc. | 2006-03-17 |
| 62756-0258-04 | 1000 CAPSULE in 1 BOTTLE (62756-258-04) | Zonisamide | Sun Pharmaceutical Industries, Inc. | 2006-03-17 |
| 62756-0259-01 | 30 CAPSULE in 1 BOTTLE (62756-259-01) | Zonisamide | Sun Pharmaceutical Industries, Inc. | 2006-03-17 |
| 62756-0259-02 | 100 CAPSULE in 1 BOTTLE (62756-259-02) | Zonisamide | Sun Pharmaceutical Industries, Inc. | 2006-03-17 |
| 62756-0259-03 | 100 CAPSULE in 1 BOTTLE (62756-259-03) | Zonisamide | Sun Pharmaceutical Industries, Inc. | 2006-03-17 |
| 62756-0259-04 | 1000 CAPSULE in 1 BOTTLE (62756-259-04) | Zonisamide | Sun Pharmaceutical Industries, Inc. | 2006-03-17 |
| 62756-0260-01 | 30 CAPSULE in 1 BOTTLE (62756-260-01) | Zonisamide | Sun Pharmaceutical Industries, Inc. | 2006-03-17 |
| 62756-0260-03 | 100 CAPSULE in 1 BOTTLE (62756-260-03) | Zonisamide | Sun Pharmaceutical Industries, Inc. | 2006-03-17 |
| 62756-0260-04 | 1000 CAPSULE in 1 BOTTLE (62756-260-04) | Zonisamide | Sun Pharmaceutical Industries, Inc. | 2006-03-17 |
| 62756-0260-05 | 500 CAPSULE in 1 BOTTLE (62756-260-05) | Zonisamide | Sun Pharmaceutical Industries, Inc. | 2006-03-17 |
| 63187-0583-30 | 30 CAPSULE in 1 BOTTLE (63187-583-30) | Zonisamide | Proficient Rx LP | 2018-12-01 |
| 63187-0583-60 | 60 CAPSULE in 1 BOTTLE (63187-583-60) | Zonisamide | Proficient Rx LP | 2018-12-01 |
| 63187-0583-90 | 90 CAPSULE in 1 BOTTLE (63187-583-90) | Zonisamide | Proficient Rx LP | 2018-12-01 |
| 63187-0897-30 | 30 CAPSULE in 1 BOTTLE (63187-897-30) | Zonisamide | Proficient Rx LP | 2017-08-01 |
| 63187-0897-60 | 60 CAPSULE in 1 BOTTLE (63187-897-60) | Zonisamide | Proficient Rx LP | 2017-08-01 |
| 63187-0897-90 | 90 CAPSULE in 1 BOTTLE (63187-897-90) | Zonisamide | Proficient Rx LP | 2017-08-01 |
| 63629-3293-01 | 100 CAPSULE in 1 BOTTLE (63629-3293-1) | Zonisamide | Bryant Ranch Prepack | 2010-04-13 |
| 63629-3293-02 | 90 CAPSULE in 1 BOTTLE (63629-3293-2) | Zonisamide | Bryant Ranch Prepack | 2008-11-18 |
| 63629-3293-03 | 30 CAPSULE in 1 BOTTLE (63629-3293-3) | Zonisamide | Bryant Ranch Prepack | 2013-03-29 |
| 63629-3293-04 | 60 CAPSULE in 1 BOTTLE (63629-3293-4) | Zonisamide | Bryant Ranch Prepack | 2011-11-10 |
| 63629-3293-05 | 120 CAPSULE in 1 BOTTLE (63629-3293-5) | Zonisamide | Bryant Ranch Prepack | 2013-05-31 |
| 68001-0242-00 | 100 CAPSULE in 1 BOTTLE (68001-242-00) | Zonisamide | BluePoint Laboratories | 2014-03-13 |
| 68001-0243-00 | 100 CAPSULE in 1 BOTTLE (68001-243-00) | Zonisamide | BluePoint Laboratories | 2014-03-13 |
| 68001-0244-00 | 100 CAPSULE in 1 BOTTLE (68001-244-00) | Zonisamide | BluePoint Laboratories | 2014-03-13 |
| 68001-0244-03 | 500 CAPSULE in 1 BOTTLE (68001-244-03) | Zonisamide | BluePoint Laboratories | 2014-03-13 |
| 68462-0128-01 | 100 CAPSULE in 1 BOTTLE (68462-128-01) | Zonisamide | Glenmark Pharmaceuticals Inc., USA | 2006-01-30 |
Observed labelers:
Bryant Ranch Prepack (20) ·
Aurobindo Pharma Limited (12) ·
Sun Pharmaceutical Industries, Inc. (11) ·
Proficient Rx LP (9) ·
Viona Pharmaceuticals Inc (7) ·
Zydus Lifesciences Limited (7)
· +14 more — this is the FDA-listed mapping footprint, not sales, inventory, availability, or market share.
🗃️ Sources & Limits
Atlas generation902fddb9-e9c1-4004-bf4c-dba4d51037c7
openFDA export observedJul 14, 2026
RxNorm release07/06/2026
Methodology2026-07-full-catalog-v1
- A shared RxCUI does not prove interchangeability. Products mapped to the same concept are not thereby equivalent or substitutable — equivalence is a separate, product-level determination.
- Listing here does not establish approval or coverage. Appearing in this snapshot is a data observation, not an FDA approval status or a payer coverage decision.
- Missing data never means zero. A silent dataset (no price, no billing code, no utilization) means no observation — not that the real-world value is zero.
- Counts describe the mapping footprint. Product, package, and labeler counts are the FDA-listed mapping footprint in this snapshot — not sales, inventory, availability, or market share.
This product uses publicly available data from the U.S. National Library of Medicine (NLM), National Institutes of Health, Department of Health and Human Services; NLM is not responsible for the product and does not endorse or recommend this or any other product.
Reference information about drug-concept identifiers and public regulatory data — not medical advice. Talk to your pharmacist or prescriber about your own medication.