Home › NDC Lookup › RxCUI directory › RxCUI 2178077

Tiopronin 100 MG Delayed Release Oral Tablet [Thiola] — RxCUI 2178077

RxNorm drug concept · Semantic branded drug
RxCUI 2178077 Semantic branded drug · SBD ● Current RxNorm concept 2 FDA products 2 package NDCs Snapshot Jul 14, 2026

This page is curated, coded, and maintained by

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

RxCUI2178077
Official nameTiopronin 100 MG Delayed Release Oral Tablet [Thiola]
Concept typeSemantic branded drug (SBD)
RxNorm statusCurrent RxNorm concept
Also known asThiola 100 MG Delayed Release Oral Tablet; THIOLA EC 100 MG Delayed Release Oral Tablet
FDA products mapped2
Package NDCs mapped2
Reported Medicaid activity (SDUD)565 prescriptions · 9 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 Tiopronin: what it is, how it’s used, side effects, and interactions.

📗 Our plain-language guide HelloPharmacist
  • Tiopronin is used to prevent kidney stones made of cystine — a substance that builds up in people with a rare inherited condition called cystinuria. If your body produces too much...
  • It depends on which product you have. Thiola tablets and Tiopronin regular tablets should be taken at least 1 hour before or 2 hours after meals. Thiola EC and Tiopronin delayed-re...
  • How should I take my tiopronin — with or without food?
  • The most common ones are nausea, loose stools, mouth sores, rash, fatigue, fever, and joint pain. A reduced sense of taste can also happen, but it often gets better on its own. The...
📖 Read our full Tiopronin guide →

🕸️ Concept Web — How Tiopronin 100 MG Delayed Release Oral Tablet [Th... 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 Tiopronin 100 MG Delayed Release Oral Tablet [Thiola] RxCUI 2178077

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.

    • Tiopronin 6765
  2. Brand names 1

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

    • Thiola 227253
  3. Dose forms 9

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

    • Tiopronin Delayed Release Oral Tablet 2178074
    • Tiopronin Oral Product 1162106
    • Tiopronin Pill 1162107
    • Tiopronin Delayed Release Oral Tablet [Thiola] 2178076
    • Thiola Oral Product 1177864
    • Thiola Pill 1177865
    • Delayed Release Oral Tablet 10312
    • 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

Brand-Name Concepts

  • Tiopronin 100 MG [Thiola] SBDC · 568573
  • Tiopronin Delayed Release Oral Tablet [Thiola] SBDF · 2178076
  • Thiola Oral Product SBDG · 1177864
  • Thiola Pill SBDG · 1177865
  • Thiola BN · 227253

📦 FDA Products & Package NDCs

2 products · 2 package NDCs
2 package NDCs map to RxCUI 2178077 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
00178-0901-90 90 TABLET, DELAYED RELEASE in 1 BOTTLE (0178-0901-90) Thiola EC Mission Pharmacal Company 2019-06-28
00178-0902-01 300 TABLET, DELAYED RELEASE in 1 BOTTLE (0178-0902-01) Thiola EC Mission Pharmacal Company 2019-06-28
Observed labelers: Mission Pharmacal Company (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.