FDA-filed SPL labeling · retrieved through openFDA

Oxygen

Brand names Oxygen Compressed GasOxygen Refrigerated LiquidOxygen Size TMedical AirOxygen Size M +11 more
Rx/OTC Forms 4 Routes Respiratory (inhalation) · Nasal · Cutaneous; Respiratory (inhalation) · Cutaneous, Respiratory (inhalation) +2
Dr. Brian Staiger, PharmD, BCPS
Reviewed by Last reviewed Jul 10, 2026
🧬 Where this information comes from Click to expand

The clinical label records used on this page are FDA-filed Structured Product Labeling (SPL) retrieved through openFDA. We identified 220 clinical label sets within the page’s selected clinical scope after exact ingredient or ingredient-combination matching and applicable route/form matching. Forms, routes, brands, labelers, strengths, and NDC product-record counts are built separately from matching FDA National Drug Code Directory records. The linked DailyMed document is a representative official source for verification, not the page’s only clinical source. View the linked label on DailyMed →

At a glance
Linked label effectiveOct 23, 2024
Clinical labels in scope 220
AvailabilityRx/OTC
Earliest approval/marketing year 1938
FDA-listed product records 1,552
Boxed warningNone found in compared labels
How we combine label and product data →
No current FDA shortage listed · checked Sep 22, 2026

Oxygen: frequently asked questions

Common questions about Oxygen, answered from its official FDA-filed labeling.

Is Oxygen available over the counter?
Both — Oxygen is sold both over the counter and by prescription, according to its FDA labeling. Lower strengths or certain forms are often available without a prescription, while higher strengths or specialized forms still require one. Ask your pharmacist which version is right for you.
When was Oxygen first available?
Oxygen has been available in the United States since at least 1938, based on FDA approval history (Drugs@FDA) and product marketing records.
Who makes Oxygen?
Oxygen is supplied by 625 manufacturers listed in the FDA NDC Directory, including Anesthesia Service, Inc., MedCyl Services, Ltd., Messer Gas Puerto Rico, Inc.

💬 Answers drafted from Oxygen’s FDA-approved label information, summarized in plain language with AI, and reviewed by our pharmacy team before publication. Grounded in that labeling — nothing is made up. How we use AI →

🧰 Keep exploring

💊 How Oxygen comes

Oxygen is available in 4 forms. Different forms and brands can have different approved uses, doses, schedules, and directions. Follow the instructions for your exact product, and do not switch forms without guidance from your prescriber or pharmacist.

Inhaler

Inhaled · On the skin
Brands Medical Air Oxygen Compressed Oxygen Compressed Gas Oxygen Compressed UN 1072 Refrigerated UN 1073 Oxygen Nitrogen Mixture Oxygen Refrigerated Liquid Oxygen Size 400 Oxygen Size B Oxygen Size C Oxygen Size D Oxygen Size E Oxygen Size F Oxygen Size H Oxygen Size M Oxygen Size T
Available strengths 30 strengths
Show 24 more strengths Show fewer strengths
1,543 FDA-listed product records

Inhalation solution (nebulizer)

Inhaled
Available strengths 2 strengths
4 FDA-listed product records

Nasal gas

Inhaled · In the nose
Available strengths 2 strengths
4 FDA-listed product records

Topical cream, ointment or gel

On the skin
Available strengths 1 strength
1 FDA-listed product record

📊 Oxygen across the U.S. market

How Oxygen appears in the FDA’s National Drug Code Directory — including its dosage forms, strengths, brand names, manufacturers, and FDA-listed product records. These are directory records, not sales or prescription volume.

4
Dose forms
625
Manufacturers
26
Brand names
1,552
FDA-listed product records
1938
First marketed

FDA-listed product records by dose form (tablet variants merged) — FDA National Drug Code Directory. Record counts are not sales or prescription volume.

Anesthesia Service, Inc.12%
MedCyl Services, Ltd.6%
Messer Gas Puerto Rico, Inc4%
Roberts Oxygen Company, Inc.4%
Apria Healthcare LLC4%
Indiana Oxygen Company Inc4%
Other makers66%

Share of FDA-listed product records by manufacturer — FDA National Drug Code Directory. Record counts are not sales or prescription volume.

🔍 Compare Oxygen products

A representative set of FDA-listed product records for Oxygen — across manufacturers, strengths, and dosage forms, grouped by form with each product’s manufacturer and how the FDA approved it. The same medicine may be made and packaged by different companies, so a single drug can have many directory entries. (It’s also why a refill can look different — a new shape, color, or box — even though it contains the same medication.)

Showing 200 of 1,552 products — FDA National Drug Code Directory. See every product, package size and price: browse all 1,552 Oxygen NDCs →

RxNorm Concept Web — From Ingredient to Every Form and Strength

This page starts with one ingredient concept (IN). The branches below show its dose-form concepts (SCDF), then the available clinical drug and strength concepts (SCD). Combination products remain separate concepts with their own pages.

Ingredient (IN) Oxygen RxCUI 7806 1 dose form · 13 strengths
  1. Dose form (SCDF) Gas for Inhalation RxCUI 376784 In current FDA listings
    Clinical drug / strength (SCD) 20 % RxCUI 413101 21 % RxCUI 347856 60 % RxCUI 999548 97 % RxCUI 348345 99 % RxCUI 312172 99.1 % RxCUI 348017 99.2 % RxCUI 348831 99.5 % RxCUI 312173 99.6 % RxCUI 312174 99.7 % RxCUI 347093 99.8 % RxCUI 348381 99.9 % RxCUI 312175 100 % RxCUI 542304

Look up RxCUI 7806 in the RxCUI Atlas →

RxNorm is the U.S. National Library of Medicine’s normalized drug vocabulary. Its concept hierarchy can include forms that are not currently marketed; the status on each branch compares that concept with current FDA listings. RxCUIs identify vocabulary concepts, not individual packages or manufacturers.

🏷️ Sold under these brand names

Oxygen Compressed Gas Oxygen Refrigerated Liquid Oxygen Size T Medical Air Oxygen Size M Oxygen Size H Oxygen Size F Oxygen Size E Oxygen Size D Oxygen Compressed Oxygen Size C Oxygen Size B Oxygen Nitrogen Mixture Oxygen Size 400 Oxygen Refrigerated Liquid U.S.P Oxygen Compressed UN 1072 Refrigerated UN 1073

🏭 Manufacturers & labelers

Anesthesia Service, Inc. 27 MedCyl Services, Ltd. 14 Messer Gas Puerto Rico, Inc 9 Roberts Oxygen Company, Inc. 9 Apria Healthcare LLC 8 Indiana Oxygen Company Inc 8 Raimy Corporation 7 American Oxygen Company, Inc 6 Norco, Inc. 6 B & J WELDING SUPPLY, LTD. dba B & J Welding Supply 6 Dallas Life Support Systems Inc 6 Triweld Industries, Inc. 6 Strate Welding Supply Co., Inc. 6 BayCare Home Care, Inc. 6 O.E. Meyer Company 6 Oxygen Service Company, Inc 5 Atlas Welding Supply Company, Inc. 4 Empresas De Soldaduras 4 Helget Gas Products 4 Airweld, Inc. 4 Linde Puerto Rico B.V. 4 Pure-Ox, LLC 4 All Gas & Welding Supplies Co., Inc. 4 Indiana Oxygen Company, Inc. 4

…and 16 more on the FDA NDC directory.

RxNorm drug class

Oxygen belongs to the Medical gases class.

Drug family (ATC) Medical gases

Classified by RxNorm RxClass — the U.S. National Library of Medicine's standardized drug-classification service (Established Pharmacologic Class from the FDA, the ATC drug family from the WHO, and mechanism of action). Reference only, not medical advice.

🔬 Where this comes from

Core label, product, RxNorm, safety, and utilization data on this page come from the sources identified below. AI-written, editorial, and licensed sections are labeled separately.

📄
FDA-filed drug labels (SPL) Uses, dosing, warnings & side effects from SPL records retrieved through openFDA; the linked representative set can be verified on DailyMed. ✓ Linked label effective Oct 23, 2024
🏭
Forms, brands & labelersAggregated from ingredient-matched FDA National Drug Code Directory product records for Oxygen.
📈
Real-world reportsThe FDA Adverse Event Reporting System (FAERS), served through openFDA.
🚨
Recalls & shortagesopenFDA drug-enforcement reports and the FDA drug-shortage database.

How we combine label and product data

HelloPharmacist combines public FDA and NLM records; we don’t author the underlying clinical facts. We identified 220 FDA-filed SPL label sets within the page’s selected clinical scope after exact ingredient or ingredient-combination matching and applicable route/form matching. The representative label is the starting point for the displayed reference monograph; the 12 largest stored in-scope SPL records, which may include that representative, are compared section by section, and the longest available version of each section is retained. Forms, routes, brands, labelers, product-listed strengths, and product-record counts are aggregated separately from ingredient-matched FDA NDC Directory records; package records listed above are associated with the linked SPL; and the normalized concept hierarchy comes from NLM RxNorm.

For canonical ingredient pages, bounded product-attributed indication and administration excerpts may be added to the AI evidence, and the generator is instructed to preserve available product, brand, route, and form qualifiers instead of treating one label as universal. Where a section is identified as AI-written, its plain-language text is generated from bounded label evidence. New draft drug pages remain in the admin review queue before first publication. Indiana Oxygen Company, Inc. is the representative DailyMed label linked for verification and dates; it is not the sole source used for the page.

This is general education, not medical advice — always consult your doctor or pharmacist about your medications and any medical condition. For the exact wording of the linked representative label, view that label on DailyMed; some displayed composite sections may come from other in-scope SPL labels. Learn how we use AI and our data sources & update cadence.