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Diroximel fumarate 231 MG Delayed Release Oral Capsule — RxCUI 2261788

RxNorm drug concept · Semantic clinical drug
RxCUI 2261788 Semantic clinical drug · SCD ● Current RxNorm concept 1 FDA product 2 package NDCs 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

RxCUI2261788
Official nameDiroximel fumarate 231 MG Delayed Release Oral Capsule
Concept typeSemantic clinical drug (SCD)
RxNorm statusCurrent RxNorm concept
FDA products mapped1
Package NDCs mapped2
Reported Medicaid activity (SDUD)6,829 prescriptions · 34 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 Diroximel Fumarate: what it is, how it’s used, side effects, and interactions.

📗 Our plain-language guide HelloPharmacist
  • Vumerity is for adults with relapsing forms of multiple sclerosis. That includes a first episode of MS-like symptoms, relapsing-remitting MS and active secondary progressive MS.
  • Take the capsules by mouth twice a day, as your prescriber directs. You start lower for the first week, then move to the full dose. Swallow them whole, and don't crush, chew or ope...
  • You can take it with food, but avoid high-fat, high-calorie meals or snacks. Keep alcohol away from it. If flushing bothers you, ask whether taking a non-enteric coated aspirin abo...
  • Flushing and stomach upset are the most common, including stomach pain, diarrhea and nausea. Some people also get itching or a rash. Tell your doctor if these are hard to handle, a...
📖 Read our full Diroximel Fumarate guide →

🕸️ Concept Web — How Diroximel fumarate 231 MG Delayed Release Oral C... 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 Diroximel fumarate 231 MG Delayed Release Oral Capsule RxCUI 2261788

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.

    • Diroximel fumarate 2261783
  2. Brand names 1

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

    • Vumerity 2261789
  3. Dose forms 9

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

    • Diroximel fumarate Delayed Release Oral Capsule 2261787
    • Diroximel fumarate Oral Product 2261785
    • Diroximel fumarate Pill 2261786
    • Diroximel fumarate Delayed Release Oral Capsule [Vumerity] 2261791
    • Vumerity Oral Product 2261792
    • Vumerity Pill 2261793
    • Delayed Release Oral Capsule 316995
    • Oral Product 1151131
    • +1 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 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

  • Diroximel fumarate 231 MG SCDC · 2261784
  • Diroximel fumarate Delayed Release Oral Capsule SCDF · 2261787
  • Diroximel fumarate Oral Product SCDG · 2261785
  • Diroximel fumarate Pill SCDG · 2261786

Brand-Name Concepts

📦 FDA Products & Package NDCs

1 product · 2 package NDCs
2 package NDCs map to RxCUI 2261788 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
64406-0020-03 1 BOTTLE, PLASTIC in 1 CARTON (64406-020-03) / 120 CAPSULE... Vumerity Biogen Inc. 2019-10-29
64406-0020-07 1 BOTTLE, PLASTIC in 1 CARTON (64406-020-07) / 14 CAPSULE i... Vumerity Biogen Inc. 2022-09-01
Observed labelers: Biogen Inc. (2) — 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.

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.