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Phenytoin 50 MG Chewable Tablet [Dilantin] — RxCUI 1313887

RxNorm drug concept · Semantic branded drug
RxCUI 1313887 Semantic branded drug · SBD ● Current RxNorm concept 1 FDA product 1 package NDC Snapshot Jul 14, 2026

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Compiled from public NLM RxNorm and FDA (openFDA NDC directory) data sources. Editorial policy

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

RxCUI1313887
Official namePhenytoin 50 MG Chewable Tablet [Dilantin]
Concept typeSemantic branded drug (SBD)
RxNorm statusCurrent RxNorm concept
Also known asDilantin 50 MG Chewable Tablet; Dilantin INFATABS 50 MG Chewable Tablet; DPH 50 MG Chewable Tablet [Dilantin]
FDA products mapped1
Package NDCs mapped1
Reported Medicaid activity (SDUD)1,288 prescriptions · 18 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?
📖 Read our full Phenytoin Injection guide →

🕸️ Concept Web — How Phenytoin 50 MG Chewable Tablet [Dilantin] 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 50 MG Chewable Tablet [Dilantin] RxCUI 1313887

Every web starts here: one RxCUI, one fixed meaning in the RxNorm vocabulary.

  1. Ingredients 1

    The active substance itself — no strength, form, or brand attached yet.

    • Phenytoin 8183
  2. Brand names 1

    The same medicine's trade names. A brand name alone says nothing about strength or form.

    • Dilantin 202740
  3. Dose forms 12

    The ingredient poured into a form — tablet, solution, cream — still without one fixed strength.

    • Phenytoin Chewable Tablet 373433
    • Phenytoin Chewable Product 1295421
    • Phenytoin Oral Product 1158167
    • Phenytoin Pill 1158169
    • Phenytoin Chewable Tablet [Dilantin] 617306
    • Dilantin Chewable Product 1296809
    • Dilantin Oral Product 1168862
    • Dilantin Pill 1168863
    • +4 more in this family
  4. Clinical & branded drugs 3

    Ingredient + strength + dose form. These are the concepts real FDA products actually carry.

Showing up to 8 concepts per family — 13 of 17 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 50 MG Chewable Tablet SCD · 1313885
  • Phenytoin 50 MG SCDC · 316513
  • Phenytoin Chewable Tablet SCDF · 373433
  • Phenytoin Chewable Product SCDG · 1295421
  • Phenytoin Oral Product SCDG · 1158167
  • Phenytoin Pill SCDG · 1158169

Brand-Name Concepts

  • Phenytoin 50 MG [Dilantin] SBDC · 1313886
  • Phenytoin Chewable Tablet [Dilantin] SBDF · 617306
  • Dilantin Chewable Product SBDG · 1296809
  • Dilantin Oral Product SBDG · 1168862
  • Dilantin Pill SBDG · 1168863
  • Dilantin BN · 202740

📦 FDA Products & Package NDCs

1 product · 1 package NDC
1 package NDC map to RxCUI 1313887 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
00071-0007-24 100 TABLET, CHEWABLE in 1 BOTTLE (0071-0007-24) Dilantin Infatabs Parke-Davis Div of Pfizer Inc 1979-02-26
Observed labelers: Parke-Davis Div of Pfizer Inc (1) — this is the FDA-listed mapping footprint, not sales, inventory, availability, or market share.

💲 Pricing (NADAC)

NADAC is CMS's National Average Drug Acquisition Cost — roughly what pharmacies pay to buy the drug. It is an acquisition benchmark, not your copay.
Per ea · median
$1.5737
Range $1.5737–$1.5737 · middle 50% $1.5737–$1.5737 · 1 NDCs
Latest compatible distributions from the CMS NADAC file · dataset watermark 2026-07-10. Prices vary by package and pharmacy; a distribution is shown instead of one misleading number. Rows the dataset is silent on carry no price. No zero-cost conclusion should be drawn.

🗃️ 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.

Machine-readable JSON

Reference information about drug-concept identifiers and public regulatory data — not medical advice. Talk to your pharmacist or prescriber about your own medication.