Phenytoin sodium 100 MG Extended Release Oral Capsule — RxCUI 855671
RxNorm drug concept · Semantic clinical drug
RxCUI 855671
Semantic clinical drug · SCD
● Current RxNorm concept 23 FDA products
45 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
RxCUI855671
Official namePhenytoin sodium 100 MG Extended Release Oral Capsule
Concept typeSemantic clinical drug (SCD)
RxNorm statusCurrent RxNorm concept
Also known asDPH sodium 100 MG Extended Release Oral Capsule
FDA products mapped23
Package NDCs mapped45
Reported Medicaid activity (SDUD)159,941 prescriptions · 51 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 Phenytoin Injection: what it is, how it’s used, side effects, and interactions.
📗 Our plain-language guide HelloPharmacist
- The injection form is used when you need fast seizure control or when swallowing a pill isn't possible right now — for example, during a seizure emergency or around the time of bra...
- Why am I getting phenytoin as an injection instead of a pill?
- The infusion has to go in slowly — that's actually one of the most important things about this medicine. Going too fast can cause your blood pressure to drop dangerously or trigger...
- Is it safe to give this drug quickly through the IV?
🕸️ Concept Web — How Phenytoin sodium 100 MG Extended Release Oral Ca... 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
Phenytoin sodium 100 MG Extended Release Oral Capsule
RxCUI 855671 Semantic clinical drug · SCD
Every web starts here: one RxCUI, one fixed meaning in the RxNorm vocabulary.
-
Ingredients 2
The active substance itself — no strength, form, or brand attached yet.
-
Phenytoin
8183IN -
Phenytoin sodium
71227PIN
-
Phenytoin
-
Brand names 1
The same medicine's trade names. A brand name alone says nothing about strength or form.
-
Dilantin
202740BN
-
Dilantin
-
Dose forms 13
The ingredient poured into a form — tablet, solution, cream — still without one fixed strength.
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Phenytoin Extended Release Oral Capsule
373435SCDF -
Phenytoin sodium Extended Release Oral Capsule
2647611SCDFP -
Phenytoin Oral Product
1158167SCDG -
Phenytoin Pill
1158169SCDG -
Phenytoin sodium Oral Product
2662720SCDGP -
Phenytoin sodium Pill
2663508SCDGP -
Phenytoin Extended Release Oral Capsule [Dilantin]
367035SBDF -
Phenytoin sodium Extended Release Oral Capsule [Dilantin]
2656902SBDFP - +5 more in this family
-
Phenytoin Extended Release Oral Capsule
-
Clinical & branded drugs 3
Ingredient + strength + dose form. These are the concepts real FDA products actually carry.
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Phenytoin sodium 100 MG
855670SCDC -
Phenytoin sodium 100 MG Extended Release Oral Capsule [Dilantin]
855673SBD -
Phenytoin sodium 100 MG [Dilantin]
855672SBDC
-
Phenytoin sodium 100 MG
Showing up to 8 concepts per family — 14 of 19 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
-
Phenytoin sodium 100 MG
SCDC · 855670 -
Phenytoin Extended Release Oral Capsule
SCDF · 373435 -
Phenytoin sodium Extended Release Oral Capsule
SCDFP · 2647611 -
Phenytoin Oral Product
SCDG · 1158167 -
Phenytoin Pill
SCDG · 1158169 -
Phenytoin sodium Oral Product
SCDGP · 2662720 -
Phenytoin sodium Pill
SCDGP · 2663508
Brand-Name Concepts
-
Phenytoin sodium 100 MG Extended Release Oral Capsule [Dilantin]
SBD · 855673 -
Phenytoin sodium 100 MG [Dilantin]
SBDC · 855672 -
Phenytoin Extended Release Oral Capsule [Dilantin]
SBDF · 367035 -
Phenytoin sodium Extended Release Oral Capsule [Dilantin]
SBDFP · 2656902 -
Dilantin Oral Product
SBDG · 1168862 -
Dilantin Pill
SBDG · 1168863 -
Dilantin
BN · 202740
📦 FDA Products & Package NDCs
23 products · 45 package NDCs
45 package NDCs map to RxCUI 855671 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 |
|---|---|---|---|---|
| 00615-8556-39 | 30 CAPSULE in 1 BLISTER PACK (0615-8556-39) | Extended Phenytoin Sodium | NCS HealthCare of KY, LLC dba Vangard Labs | 2024-10-16 |
| 00904-7416-61 | 100 BLISTER PACK in 1 CARTON (0904-7416-61) / 1 CAPSULE, EX... | Phenytoin Sodium | Major Pharmaceuticals | 2025-12-09 |
| 29300-0379-01 | 100 CAPSULE, EXTENDED RELEASE in 1 BOTTLE (29300-379-01) | Phenytoin Sodium | Unichem Pharmaceuticals (USA), Inc. | 2022-11-12 |
| 29300-0379-05 | 500 CAPSULE, EXTENDED RELEASE in 1 BOTTLE (29300-379-05) | Phenytoin Sodium | Unichem Pharmaceuticals (USA), Inc. | 2022-11-12 |
| 29300-0379-10 | 1000 CAPSULE, EXTENDED RELEASE in 1 BOTTLE (29300-379-10) | Phenytoin Sodium | Unichem Pharmaceuticals (USA), Inc. | 2022-11-12 |
| 50090-3539-00 | 100 CAPSULE, EXTENDED RELEASE in 1 BOTTLE (50090-3539-0) | Phenytoin Sodium | A-S Medication Solutions | 2018-08-15 |
| 50090-3539-01 | 90 CAPSULE, EXTENDED RELEASE in 1 BOTTLE (50090-3539-1) | Phenytoin Sodium | A-S Medication Solutions | 2018-08-15 |
| 50090-5700-00 | 100 CAPSULE, EXTENDED RELEASE in 1 BOTTLE (50090-5700-0) | Phenytoin Sodium | A-S Medication Solutions | 2021-09-23 |
| 50090-5700-01 | 90 CAPSULE, EXTENDED RELEASE in 1 BOTTLE (50090-5700-1) | Phenytoin Sodium | A-S Medication Solutions | 2021-09-24 |
| 50268-0719-13 | 30 BLISTER PACK in 1 CARTON (50268-719-13) / 1 CAPSULE, EXT... | Phenytoin Sodium | AvPAK | 2026-03-03 |
| 51407-0982-01 | 100 CAPSULE, EXTENDED RELEASE in 1 BOTTLE (51407-982-01) | Phenytoin Sodium | Golden State Medical Supply, Inc. | 2025-05-07 |
| 51407-0982-10 | 1000 CAPSULE, EXTENDED RELEASE in 1 BOTTLE (51407-982-10) | Phenytoin Sodium | Golden State Medical Supply, Inc. | 2025-05-07 |
| 51672-4111-01 | 100 CAPSULE, EXTENDED RELEASE in 1 BOTTLE (51672-4111-1) | Phenytoin Sodium | Sun Pharmaceutical Industries, Inc. | 2006-09-05 |
| 51672-4111-03 | 1000 CAPSULE, EXTENDED RELEASE in 1 BOTTLE (51672-4111-3) | Phenytoin Sodium | Sun Pharmaceutical Industries, Inc. | 2006-09-05 |
| 51672-4111-06 | 30 CAPSULE, EXTENDED RELEASE in 1 BOTTLE (51672-4111-6) | Phenytoin Sodium | Sun Pharmaceutical Industries, Inc. | 2006-09-05 |
| 58151-0110-01 | 100 CAPSULE, EXTENDED RELEASE in 1 BOTTLE, PLASTIC (58151-11... | DILANTIN | Viatris Specialty LLC | 2024-12-06 |
| 58151-0110-10 | 1000 CAPSULE, EXTENDED RELEASE in 1 BOTTLE, PLASTIC (58151-1... | DILANTIN | Viatris Specialty LLC | 2025-04-09 |
| 58151-0110-88 | 100 BLISTER PACK in 1 CARTON (58151-110-88) / 1 CAPSULE, EX... | DILANTIN | Viatris Specialty LLC | 2024-12-06 |
| 58151-0118-01 | 100 CAPSULE, EXTENDED RELEASE in 1 BOTTLE, PLASTIC (58151-11... | DILANTIN | Viatris Specialty LLC | 2025-01-15 |
| 60687-0841-01 | 100 BLISTER PACK in 1 CARTON (60687-841-01) / 1 CAPSULE in... | Extended Phenytoin Sodium | American Health Packaging | 2025-02-06 |
| 61919-0815-30 | 30 CAPSULE in 1 BOTTLE (61919-815-30) | PHENYTOIN SODIUM | DIRECT RX | 2014-01-01 |
| 61919-0815-71 | 100 CAPSULE in 1 BOTTLE (61919-815-71) | PHENYTOIN SODIUM | DIRECT RX | 2014-01-01 |
| 61919-0815-72 | 120 CAPSULE in 1 BOTTLE (61919-815-72) | PHENYTOIN SODIUM | DIRECT RX | 2014-01-01 |
| 65162-0212-03 | 30 CAPSULE in 1 BOTTLE (65162-212-03) | Extended Phenytoin Sodium | Amneal Pharmaceuticals LLC | 2009-12-16 |
| 65162-0212-10 | 100 CAPSULE in 1 BOTTLE (65162-212-10) | Extended Phenytoin Sodium | Amneal Pharmaceuticals LLC | 2009-12-16 |
| 65162-0212-11 | 1000 CAPSULE in 1 BOTTLE (65162-212-11) | Extended Phenytoin Sodium | Amneal Pharmaceuticals LLC | 2009-12-16 |
| 65162-0212-50 | 500 CAPSULE in 1 BOTTLE (65162-212-50) | Extended Phenytoin Sodium | Amneal Pharmaceuticals LLC | 2009-12-16 |
| 65862-0692-01 | 100 CAPSULE in 1 BOTTLE (65862-692-01) | Extended Phenytoin Sodium | Aurobindo Pharma Limited | 2015-06-10 |
| 65862-0692-78 | 10 BLISTER PACK in 1 CARTON (65862-692-78) / 10 CAPSULE in... | Extended Phenytoin Sodium | Aurobindo Pharma Limited | 2015-06-10 |
| 65862-0692-99 | 1000 CAPSULE in 1 BOTTLE (65862-692-99) | Extended Phenytoin Sodium | Aurobindo Pharma Limited | 2015-06-10 |
| 67046-0585-03 | 30 CAPSULE, EXTENDED RELEASE in 1 BLISTER PACK (67046-0585-3... | Phenytoin Sodium | Coupler LLC | 2026-05-13 |
| 70518-0107-00 | 30 CAPSULE, EXTENDED RELEASE in 1 BLISTER PACK (70518-0107-0... | Phenytoin Sodium | REMEDYREPACK INC. | 2017-01-06 |
| 70518-2227-03 | 30 CAPSULE in 1 BLISTER PACK (70518-2227-3) | Extended Phenytoin Sodium | REMEDYREPACK INC. | 2024-06-29 |
| 70518-2293-00 | 30 CAPSULE, EXTENDED RELEASE in 1 BLISTER PACK (70518-2293-0... | Phenytoin Sodium | REMEDYREPACK INC. | 2019-09-03 |
| 70518-2293-01 | 100 POUCH in 1 BOX (70518-2293-1) / 1 CAPSULE, EXTENDED REL... | Phenytoin Sodium | REMEDYREPACK INC. | 2021-08-05 |
| 71610-0869-92 | 270 CAPSULE, EXTENDED RELEASE in 1 BOTTLE (71610-869-92) | Phenytoin Sodium | Aphena Pharma Solutions - Tennessee, LLC | 2024-12-11 |
| 71610-0869-94 | 360 CAPSULE, EXTENDED RELEASE in 1 BOTTLE (71610-869-94) | Phenytoin Sodium | Aphena Pharma Solutions - Tennessee, LLC | 2024-12-11 |
| 71610-0869-98 | 540 CAPSULE, EXTENDED RELEASE in 1 BOTTLE (71610-869-98) | Phenytoin Sodium | Aphena Pharma Solutions - Tennessee, LLC | 2024-12-11 |
| 71610-0934-92 | 270 CAPSULE, EXTENDED RELEASE in 1 BOTTLE (71610-934-92) | Phenytoin Sodium | Aphena Pharma Solutions - Tennessee, LLC | 2025-09-02 |
| 71610-0934-94 | 360 CAPSULE, EXTENDED RELEASE in 1 BOTTLE (71610-934-94) | Phenytoin Sodium | Aphena Pharma Solutions - Tennessee, LLC | 2025-08-06 |
| 71610-0934-98 | 540 CAPSULE, EXTENDED RELEASE in 1 BOTTLE (71610-934-98) | Phenytoin Sodium | Aphena Pharma Solutions - Tennessee, LLC | 2025-08-18 |
| 72162-1646-00 | 1000 CAPSULE, EXTENDED RELEASE in 1 BOTTLE (72162-1646-0) | Phenytoin Sodium | Bryant Ranch Prepack | 2017-07-24 |
| 72162-2514-00 | 1000 CAPSULE in 1 BOTTLE (72162-2514-0) | Extended Phenytoin Sodium | Bryant Ranch Prepack | 2025-06-09 |
| 72162-2514-01 | 100 CAPSULE in 1 BOTTLE (72162-2514-1) | Extended Phenytoin Sodium | Bryant Ranch Prepack | 2025-06-09 |
| 82804-0269-72 | 120 CAPSULE, EXTENDED RELEASE in 1 BOTTLE (82804-269-72) | Phenytoin Sodium | Proficient Rx LP | 2026-02-26 |
Observed labelers:
Aphena Pharma Solutions - Tennessee, LLC (6) ·
A-S Medication Solutions (4) ·
Amneal Pharmaceuticals LLC (4) ·
REMEDYREPACK INC. (4) ·
Viatris Specialty LLC (4) ·
Aurobindo Pharma Limited (3)
· +11 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.