Flucytosine 500 MG Oral Capsule — RxCUI 197703
RxNorm drug concept · Semantic clinical drug
RxCUI 197703
Semantic clinical drug · SCD
● Current RxNorm concept 20 FDA products
26 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
RxCUI197703
Official nameFlucytosine 500 MG Oral Capsule
Concept typeSemantic clinical drug (SCD)
RxNorm statusCurrent RxNorm concept
FDA products mapped20
Package NDCs mapped26
Reported Medicaid activity (SDUD)355 prescriptions · 2 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 Flucytosine: what it is, how it’s used, side effects, and interactions.
📗 Our plain-language guide HelloPharmacist
- That's a great question. Flucytosine can work alone against some fungi, but the problem is that the fungus can develop resistance to it pretty quickly when it's used by itself. Pai...
- Why do I have to take flucytosine with another antifungal? Can't it work on its own?
- Yes — and this is one of the most practical tips for taking this medication. Instead of swallowing all your capsules at once, try taking a few at a time over about 15 minutes. Spre...
- The capsules are making me feel sick to my stomach. Is there anything I can do?
🕸️ Concept Web — How Flucytosine 500 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
Flucytosine 500 MG Oral Capsule
RxCUI 197703 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.
-
Flucytosine
4451IN
-
Flucytosine
-
Brand names 1
The same medicine's trade names. A brand name alone says nothing about strength or form.
-
Ancobon
227633BN
-
Ancobon
-
Dose forms 9
The ingredient poured into a form — tablet, solution, cream — still without one fixed strength.
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Flucytosine Oral Capsule
372211SCDF -
Flucytosine Oral Product
1160239SCDG -
Flucytosine Pill
1160240SCDG -
Flucytosine Oral Capsule [Ancobon]
366217SBDF -
Ancobon Oral Product
1175567SBDG -
Ancobon Pill
1175568SBDG -
Oral Capsule
316965DF -
Oral Product
1151131DFG - +1 more in this family
-
Flucytosine Oral Capsule
-
Clinical & branded drugs 3
Ingredient + strength + dose form. These are the concepts real FDA products actually carry.
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Flucytosine 500 MG
315941SCDC -
Flucytosine 500 MG Oral Capsule [Ancobon]
207127SBD -
Flucytosine 500 MG [Ancobon]
567918SBDC
-
Flucytosine 500 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
-
Flucytosine 500 MG
SCDC · 315941 -
Flucytosine Oral Capsule
SCDF · 372211 -
Flucytosine Oral Product
SCDG · 1160239 -
Flucytosine Pill
SCDG · 1160240
Brand-Name Concepts
-
Flucytosine 500 MG Oral Capsule [Ancobon]
SBD · 207127 -
Flucytosine 500 MG [Ancobon]
SBDC · 567918 -
Flucytosine Oral Capsule [Ancobon]
SBDF · 366217 -
Ancobon Oral Product
SBDG · 1175567 -
Ancobon Pill
SBDG · 1175568 -
Ancobon
BN · 227633
📦 FDA Products & Package NDCs
20 products · 26 package NDCs
26 package NDCs map to RxCUI 197703 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 |
|---|---|---|---|---|
| 00187-3554-10 | 100 CAPSULE in 1 BOTTLE (0187-3554-10) | ANCOBON | Bausch Health US LLC | 1971-11-26 |
| 00187-3555-10 | 100 CAPSULE in 1 BOTTLE (0187-3555-10) | ANCOBON | Bausch Health US LLC | 1971-11-26 |
| 00904-6834-07 | 30 BLISTER PACK in 1 CARTON (0904-6834-07) / 1 CAPSULE in 1... | Flucytosine | Major Pharmaceuticals | 2017-07-07 |
| 00904-6835-07 | 30 BLISTER PACK in 1 CARTON (0904-6835-07) / 1 CAPSULE in 1... | Flucytosine | Major Pharmaceuticals | 2017-07-07 |
| 23155-0860-01 | 100 CAPSULE in 1 BOTTLE (23155-860-01) | Flucytosine | Heritage Pharmaceuticals Inc. d/b/a Avet Pharmaceuticals Inc. | 2023-06-25 |
| 23155-0860-03 | 30 CAPSULE in 1 BOTTLE (23155-860-03) | Flucytosine | Heritage Pharmaceuticals Inc. d/b/a Avet Pharmaceuticals Inc. | 2023-06-25 |
| 23155-0861-01 | 100 CAPSULE in 1 BOTTLE (23155-861-01) | Flucytosine | Heritage Pharmaceuticals Inc. d/b/a Avet Pharmaceuticals Inc. | 2023-06-25 |
| 23155-0861-03 | 30 CAPSULE in 1 BOTTLE (23155-861-03) | Flucytosine | Heritage Pharmaceuticals Inc. d/b/a Avet Pharmaceuticals Inc. | 2023-06-25 |
| 40032-0770-01 | 100 CAPSULE in 1 BOTTLE (40032-770-01) | Flucytosine | Novel Laboratories, Inc. | 2017-07-07 |
| 40032-0770-03 | 30 CAPSULE in 1 BOTTLE (40032-770-03) | Flucytosine | Novel Laboratories, Inc. | 2017-07-07 |
| 40032-0771-01 | 100 CAPSULE in 1 BOTTLE (40032-771-01) | Flucytosine | Novel Laboratories, Inc. | 2017-07-07 |
| 40032-0771-03 | 30 CAPSULE in 1 BOTTLE (40032-771-03) | Flucytosine | Novel Laboratories, Inc. | 2017-07-07 |
| 42385-0983-01 | 100 CAPSULE in 1 BOTTLE (42385-983-01) | Flucytosine | Laurus Labs Limited | 2025-07-24 |
| 42385-0983-27 | 10 BLISTER PACK in 1 CARTON (42385-983-27) / 10 CAPSULE in... | Flucytosine | Laurus Labs Limited | 2025-07-24 |
| 42385-0984-01 | 100 CAPSULE in 1 BOTTLE (42385-984-01) | Flucytosine | Laurus Labs Limited | 2025-07-24 |
| 42385-0984-27 | 10 BLISTER PACK in 1 CARTON (42385-984-27) / 10 CAPSULE in... | Flucytosine | Laurus Labs Limited | 2025-07-24 |
| 42794-0009-08 | 30 CAPSULE in 1 BOTTLE (42794-009-08) | Flucytosine | Sigmapharm Laboratories, LLC | 2018-06-01 |
| 42794-0010-08 | 30 CAPSULE in 1 BOTTLE (42794-010-08) | Flucytosine | Sigmapharm Laboratories, LLC | 2018-06-01 |
| 43386-0770-01 | 100 CAPSULE in 1 BOTTLE (43386-770-01) | Flucytosine | Lupin Pharmaceuticals,Inc. | 2017-07-07 |
| 43386-0771-01 | 100 CAPSULE in 1 BOTTLE (43386-771-01) | Flucytosine | Lupin Pharmaceuticals,Inc. | 2017-07-07 |
| 50268-0331-12 | 20 BLISTER PACK in 1 BOX (50268-331-12) / 1 CAPSULE in 1 BL... | Flucytosine | AvPAK | 2021-04-12 |
| 50268-0332-12 | 20 BLISTER PACK in 1 BOX (50268-332-12) / 1 CAPSULE in 1 BL... | Flucytosine | AvPAK | 2021-04-12 |
| 59651-0331-01 | 100 CAPSULE in 1 BOTTLE (59651-331-01) | FLUCYTOSINE | Aurobindo Pharma Limited | 2020-05-01 |
| 59651-0332-01 | 100 CAPSULE in 1 BOTTLE (59651-332-01) | FLUCYTOSINE | Aurobindo Pharma Limited | 2020-05-01 |
| 60687-0599-21 | 30 BLISTER PACK in 1 BOX, UNIT-DOSE (60687-599-21) / 1 CAPS... | Flucytosine | American Health Packaging | 2021-12-17 |
| 60687-0610-21 | 30 BLISTER PACK in 1 BOX, UNIT-DOSE (60687-610-21) / 1 CAPS... | Flucytosine | American Health Packaging | 2021-12-03 |
Observed labelers:
Heritage Pharmaceuticals Inc. d/b/a Avet Pharmaceuticals Inc. (4) ·
Laurus Labs Limited (4) ·
Novel Laboratories, Inc. (4) ·
American Health Packaging (2) ·
Aurobindo Pharma Limited (2) ·
AvPAK (2)
· +4 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.