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Chlorothiazide 50 MG/ML Oral Suspension — RxCUI 309198

RxNorm drug concept · Semantic clinical drug
RxCUI 309198 Semantic clinical drug · SCD ● Current RxNorm concept 1 FDA product 1 package NDC 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

RxCUI309198
Official nameChlorothiazide 50 MG/ML Oral Suspension
Concept typeSemantic clinical drug (SCD)
RxNorm statusCurrent RxNorm concept
Also known aschlorothiazide 250 MG per 5 ML Oral Suspension; chlorothiazide 250 MG in 5 mL Oral Suspension
FDA products mapped1
Package NDCs mapped1
Reported Medicaid activity (SDUD)11,254 prescriptions · 43 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 Chlorothiazide: what it is, how it’s used, side effects, and interactions.

📗 Our plain-language guide HelloPharmacist
  • It's a water pill — it helps your kidneys flush out extra salt and fluid that's building up in your body. Depending on the form you're taking, it treats fluid retention (edema) fro...
  • What exactly is chlorothiazide supposed to do for me?
  • You'll take it by mouth, usually once or twice a day. Your doctor might also put you on an every-other-day or a few-days-per-week schedule — that actually helps prevent your electr...
  • How and when should I take the oral suspension (liquid)?
📖 Read our full Chlorothiazide guide →

🕸️ Concept Web — How Chlorothiazide 50 MG/ML Oral Suspension 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 Chlorothiazide 50 MG/ML Oral Suspension RxCUI 309198

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.

    • Chlorothiazide 2396
  2. Brand names 1

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

    • Diuril 216677
  3. Dose forms 9

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

    • Chlorothiazide Oral Suspension 371409
    • Chlorothiazide Oral Liquid Product 1153868
    • Chlorothiazide Oral Product 1153869
    • Chlorothiazide Oral Suspension [Diuril] 92479
    • Diuril Oral Liquid Product 1173159
    • Diuril Oral Product 1173160
    • Oral Suspension 316969
    • Oral Liquid Product 1151137
    • +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

  • Chlorothiazide 50 MG/ML SCDC · 315639
  • Chlorothiazide Oral Suspension SCDF · 371409
  • Chlorothiazide Oral Liquid Product SCDG · 1153868
  • Chlorothiazide Oral Product SCDG · 1153869

Brand-Name Concepts

  • Chlorothiazide 50 MG/ML Oral Suspension [Diuril] SBD · 213439
  • Chlorothiazide 50 MG/ML [Diuril] SBDC · 573328
  • Chlorothiazide Oral Suspension [Diuril] SBDF · 92479
  • Diuril Oral Liquid Product SBDG · 1173159
  • Diuril Oral Product SBDG · 1173160
  • Diuril BN · 216677

📦 FDA Products & Package NDCs

1 product · 1 package NDC
1 package NDC map to RxCUI 309198 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
65649-0311-12 1 BOTTLE in 1 CARTON (65649-311-12) / 237 mL in 1 BOTTLE DIURIL Salix Pharmaceuticals, Inc 1962-02-15
Observed labelers: Salix Pharmaceuticals, Inc (1) — 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.