FDA-filed SPL labeling · retrieved through openFDA

Nitrogen

Brand name Nitrogen Oxygen Mix
Rx Forms 2 Routes Respiratory (inhalation) · Cutaneous; Respiratory (inhalation) · Cutaneous, Respiratory (inhalation)
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 136 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 13, 2025
Clinical labels in scope ⓘ136
AvailabilityRx
Earliest approval/marketing year ⓘ1949
FDA-listed product records ⓘ422
Boxed warningNone found in compared labels
How we combine label and product data →
✓No current FDA shortage listed · checked Sep 21, 2026

❓ Nitrogen: frequently asked questions

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

Is Nitrogen available over the counter? ▾
Nitrogen is dispensed by prescription according to its FDA labeling, so it isn't sold over the counter. Your prescriber and pharmacist will determine if it's appropriate for you.
When was Nitrogen first available? ▾
Nitrogen has been available in the United States since at least 1949, based on FDA approval history (Drugs@FDA) and product marketing records.
Who makes Nitrogen? ▾
Nitrogen is supplied by 159 manufacturers listed in the FDA NDC Directory, including Messer Gas Puerto Rico, Inc, Fullerton Welding Supply, NexAir, LLC.

💬 Answers drafted from Nitrogen’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 →

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💊 How Nitrogen comes

Nitrogen is available in 2 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.

Inhalation solution (nebulizer)

Inhaled
Available strengths 2 strengths
990 mL/L 997 mL/L
9 FDA-listed product records ⓘ

📊 Nitrogen across the U.S. market

How Nitrogen 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.

2
Dose forms ⓘ
159
Manufacturers
4
Brand names
422
FDA-listed product records ⓘ
1949
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.

Messer Gas Puerto Rico, Inc6%
Fullerton Welding Supply4%
NexAir, LLC4%
Airgas Usa, Llc4%
Roberts Oxygen Company, Inc4%
A & B Welding Supply Co.3%
Other makers74%

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

🔍 Compare Nitrogen products

A representative set of FDA-listed product records for Nitrogen — 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 422 products — FDA National Drug Code Directory. See every product, package size and price: browse all 422 Nitrogen 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) Nitrogen RxCUI 7456 2 dose forms · 8 strengths
  1. Dose form (SCDF) Gas for Inhalation RxCUI 385092 In current FDA listings
    Clinical drug / strength (SCD) 90 % RxCUI 347106 99 % RxCUI 311998 99.1 % RxCUI 1986437 99.2 % RxCUI 348624 99.5 % RxCUI 347021 99.7 % RxCUI 407856 99.9 % RxCUI 348987
  2. Dose form (SCDF) Topical Liquefied Gas RxCUI 1788944 No current FDA listing
    Clinical drug / strength (SCD) 99 % RxCUI 1788949

Look up RxCUI 7456 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

Nitrogen Oxygen Mix

🏭 Manufacturers & labelers

Messer Gas Puerto Rico, Inc 9 Fullerton Welding Supply 6 NexAir, LLC 6 Airgas Usa, Llc 6 Roberts Oxygen Company, Inc 6 A & B Welding Supply Co. 4 Indiana Oxygen Company Inc 4 Linde Inc. 4 Raimy Corporation 4 Linde Puerto Rico B.V. 4 Bill Munn Supply, Inc. 3 Boggs Gases div. Boggs Fire Equipment 3 Young Welding Supply, Inc 3 C & C Oxygen Company 3 DJB Gas Services, Inc 3 Central Welding Supply Company 3 B & J Welding Supply, LTD. dba B & J Welding Supply 3 801576526 3 Atlas Welding Supply Company, Inc. 3 Clinical 1 Home Medical, Inc. 3 Cee-kay Supply, Inc. 3 Aspen Air U.S., LLC 3 Fresno Oxygen & Welding Suppliers Inc 3 Arcet Equipment Company dba Arc3 Gases North 3

…and 16 more on the FDA NDC directory.

RxNorm drug class

Nitrogen 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 13, 2025
🏭
Forms, brands & labelersAggregated from ingredient-matched FDA National Drug Code Directory product records for Nitrogen.
📈
Real-world reportsThe FDA Adverse Event Reporting System (FAERS), served through openFDA.
🚨
Recalls & shortagesopenFDA drug-enforcement reports and the FDA drug-shortage database.
🧾 Clinical label set — FDA-filed SPL labels retained for Nitrogen after exact ingredient or ingredient-combination matching and applicable route/form matching
Clinical labels in scope
136
NDC products indexed
422
Distinct labelers/manufacturers represented
159
Linked representative label ⓘ
Airtec Gases, LLC
Linked label effective
Oct 13, 2025
Linked SPL Set ID
250f5a9d-9186-459d-bf44-a437d0692405
Linked SPL Document ID
41105f9b-64d8-a094-e063-6394a90a77df
Open the linked representative label on DailyMed ↗

How we combine label and product data

HelloPharmacist combines public FDA and NLM records; we don’t author the underlying clinical facts. We identified 136 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. Airtec Gases, LLC 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.