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Ampicillin 250 MG Oral Capsule — RxCUI 313800

RxNorm drug concept · Semantic clinical drug
RxCUI 313800 Semantic clinical drug · SCD ● Current RxNorm concept 3 FDA products 6 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

RxCUI313800
Official nameAmpicillin 250 MG Oral Capsule
Concept typeSemantic clinical drug (SCD)
RxNorm statusCurrent RxNorm concept
FDA products mapped3
Package NDCs mapped6
Reported Medicaid activity (SDUD)27,282 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 Ampicillin Injection: what it is, how it’s used, side effects, and interactions.

📗 Our plain-language guide HelloPharmacist
  • It treats serious bacterial infections, such as meningitis, bloodstream infections, heart valve infections, and respiratory, urinary and intestinal infections. It only works on bac...
  • A healthcare professional gives it into a muscle or a vein. For some serious infections, treatment starts in a vein and may later move to muscle injections or to ampicillin by mout...
  • Tell us before you get it. A past allergic reaction to any penicillin is a reason not to use it. People with penicillin allergy have also had severe reactions to cephalosporin anti...
  • Rashes, hives, nausea, vomiting, and diarrhea are the most commonly reported. Let your doctor know about any rash. Get emergency help for trouble breathing or swelling.
📖 Read our full Ampicillin Injection guide →

🕸️ Concept Web — How Ampicillin 250 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 Ampicillin 250 MG Oral Capsule RxCUI 313800

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.

    • Ampicillin 733
  2. Dose forms 6

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

    • Ampicillin Oral Capsule 370586
    • Ampicillin Oral Product 1153197
    • Ampicillin Pill 1153198
    • Oral Capsule 316965
    • Oral Product 1151131
    • Pill 1151133
  3. Clinical & branded drugs 1

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

    • Ampicillin 250 MG 328304

Showing up to 8 concepts per family — 8 of 8 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

  • Ampicillin 250 MG SCDC · 328304
  • Ampicillin Oral Capsule SCDF · 370586
  • Ampicillin Oral Product SCDG · 1153197
  • Ampicillin Pill SCDG · 1153198

📦 FDA Products & Package NDCs

3 products · 6 package NDCs
6 package NDCs map to RxCUI 313800 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
00781-2145-01 100 CAPSULE in 1 BOTTLE (0781-2145-01) Ampicillin Sandoz Inc 1995-08-29
00781-2145-05 500 CAPSULE in 1 BOTTLE (0781-2145-05) Ampicillin Sandoz Inc 1995-08-29
59651-0550-01 100 CAPSULE in 1 BOTTLE (59651-550-01) Ampicillin Aurobindo Pharma Limited 2023-10-31
59651-0550-05 500 CAPSULE in 1 BOTTLE (59651-550-05) Ampicillin Aurobindo Pharma Limited 2023-10-31
59651-0551-01 100 CAPSULE in 1 BOTTLE (59651-551-01) Ampicillin Aurobindo Pharma Limited 2023-10-31
59651-0551-05 500 CAPSULE in 1 BOTTLE (59651-551-05) Ampicillin Aurobindo Pharma Limited 2023-10-31
Observed labelers: Aurobindo Pharma Limited (4) · Sandoz 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.