ADD CONDITION

items per page

Nitrous oxide

Last content change checked dailysee data sync status

Active ingredient
Nitrous Oxide 995 mL/1 L
Other brand names
Dosage form
Gas
Route
Respiratory (inhalation)
Prescription status
Rx (prescription)
Marketed in the U.S.
Since 2000
Label revision date
November 26, 2025
Active ingredient
Nitrous Oxide 995 mL/1 L
Other brand names
Dosage form
Gas
Route
Respiratory (inhalation)
Prescription status
Rx (prescription)
CSA schedule
Not a scheduled drug
Marketed in the U.S.
Since 2000
Label revision date
November 26, 2025
Manufacturer
Westair Gases & Equipment, Inc.
Registration number
NDA206009
NDC root
53440-003

If you are a healthcare professional or from the pharmaceutical industry please visit this version.

If you are a consumer or patient please visit this version.

Drug Overview

Nitrous oxide USP is a medication that is primarily used for its anesthetic and analgesic (pain-relieving) properties. It is often administered in medical settings under the supervision of a licensed practitioner who is experienced in its use. This gas is known for inducing a state of relaxation and euphoria, making it useful during certain medical procedures.

As an oxidizer, nitrous oxide can enhance the effects of other anesthetics and is typically delivered through a specialized system. It is important to note that its use requires careful handling and knowledge of its effects, dosages, and safety precautions to ensure a safe experience.

Uses

Nitrous Oxide is a gas that is used in medical settings, primarily for its anesthetic properties. It is important to note that the administration of Nitrous Oxide can be hazardous or not recommended in certain situations. Therefore, it should only be used by or under the supervision of a licensed healthcare professional who has experience with this gas. This professional will be knowledgeable about how to properly administer Nitrous Oxide, including understanding its effects, dosages, and any potential risks or side effects.

While there are no specific teratogenic effects (which means it does not cause birth defects) or nonteratogenic effects noted, it is crucial to approach the use of Nitrous Oxide with caution and under appropriate medical guidance.

Dosage and Administration

Using Nitrous Oxide can be risky, so it’s important that it is only administered by a licensed practitioner who has experience with this gas. This ensures that you receive the safest and most effective care.

Nitrous Oxide is given through inhalation, which means you will breathe it in. This method allows for quick effects, making it useful in various medical settings. Always follow your healthcare provider's instructions regarding its use to ensure your safety and well-being.

What to Avoid

It's important to be cautious when using Nitrous Oxide. You should not handle it until you have read and understood all safety precautions. Make sure to avoid breathing in the gas, and take care to prevent it from getting in your eyes, on your skin, or on your clothing.

If you have any concerns about the safety of using Nitrous Oxide, please consult with a healthcare professional for guidance. Your safety is the top priority.

Side Effects

Using nitrous oxide can come with some important side effects and risks. You may experience drowsiness or dizziness after its use. Additionally, nitrous oxide can displace oxygen, which could lead to rapid suffocation if not administered properly. There is also a risk of frostbite if the gas comes into contact with your skin.

It's crucial to understand that nitrous oxide is an oxidizer and can intensify fire, so safety precautions are necessary. Because of these potential hazards, it should only be used under the supervision of a qualified healthcare professional who is experienced in its administration.

Warnings and Precautions

Using Nitrous Oxide can be risky and should only be done under the supervision of a qualified healthcare professional who understands its proper use and potential dangers. This gas is an oxidizer, which means it can intensify fires, and it is stored under pressure, so it can explode if heated. Be aware that it may cause drowsiness or dizziness, and improper use can lead to rapid suffocation by displacing oxygen. Always handle it with care, keeping it away from flammable materials and ensuring that you are in a well-ventilated area.

If you inhale Nitrous Oxide and feel unwell, it’s important to move to fresh air and seek medical help immediately by calling a poison center or your doctor. If you experience frostbite from contact with the gas, do not rub the affected area; instead, gently thaw it with lukewarm water and seek medical attention right away. Always read and follow the safety guidelines provided before using Nitrous Oxide to ensure your safety.

Overdose

It appears that there is no specific information available regarding overdosage for this medication. However, it’s always important to be aware of the signs of an overdose, which can include unusual drowsiness, confusion, or difficulty breathing. If you suspect that you or someone else may have taken too much of a medication, it’s crucial to seek immediate medical help.

In case of an overdose, contact your local emergency services or go to the nearest hospital. Having the medication packaging or information on hand can help medical professionals provide the best care. Always remember that when it comes to medications, it’s better to be safe and get help if you have any concerns.

Pregnancy Use

Using Nitrous Oxide during pregnancy may pose risks to your developing baby. It is important to be aware that the administration of this gas can be hazardous or even contraindicated (not recommended) while you are pregnant. If you are expecting or planning to become pregnant, it is crucial to discuss any use of Nitrous Oxide with your healthcare provider to understand the potential risks to your fetus. Always prioritize your health and the health of your baby when considering any medical treatments.

Lactation Use

If you are breastfeeding, you may be wondering about the use of Nitrous Oxide. The information available indicates that there are no specific warnings or recommendations regarding its use for nursing mothers or during lactation (the period when you are breastfeeding). This means that, based on the current data, there are no known risks associated with using Nitrous Oxide while you are nursing.

However, it's always a good idea to consult with your healthcare provider about any medications or treatments you are considering while breastfeeding to ensure they are safe for you and your baby.

Pediatric Use

When it comes to using Nitrous Oxide in children, the information available does not specify any guidelines regarding age, dosage, or safety precautions. This means that there are no established recommendations for how this medication should be used in pediatric patients (children).

If you are considering Nitrous Oxide for your child, it is important to consult with a healthcare professional who can provide guidance based on your child's specific needs and circumstances. Always prioritize safety and ensure that any treatment is appropriate for your child's age and health condition.

Geriatric Use

When it comes to using this medication in older adults, there is no specific information available about dosage adjustments, safety concerns, or special precautions. This means that if you or a loved one is an older adult, it’s important to consult with a healthcare provider before starting the medication. They can help determine the best approach based on individual health needs and any other medications being taken. Always prioritize open communication with your healthcare team to ensure safe and effective treatment.

Renal Impairment

If you have kidney problems, it's important to know that there is no specific information available regarding dosage adjustments, special monitoring, or safety considerations for using Nitrous Oxide. This means that the insert does not provide guidelines tailored for patients with renal impairment.

Always consult your healthcare provider for personalized advice and to ensure that any treatment is safe and appropriate for your condition. They can help you understand how to manage your health effectively while considering your kidney issues.

Hepatic Impairment

If you have liver problems, it's important to know that the drug insert for Nitrous Oxide does not provide specific information about dosage adjustments, special monitoring, or precautions for your condition. This means that there are no established guidelines for how Nitrous Oxide should be used in patients with liver impairment.

Before using Nitrous Oxide, you should discuss your liver health with your healthcare provider to ensure it is safe for you. They can provide personalized advice and monitor your condition as needed.

Drug Interactions

It's important to have open conversations with your healthcare provider about any medications or tests you may be taking. While there are no specific drug interactions or laboratory test interactions noted for this medication, your healthcare provider can help ensure that everything you are taking works well together and is safe for you.

Always feel free to ask questions and share your complete list of medications and any lab tests you may be undergoing. This way, you can receive the best possible care tailored to your needs.

Storage and Handling

To ensure safe storage and handling of your product, keep it away from clothing and other flammable materials. Always store and use it outdoors or in a well-ventilated area to prevent the buildup of harmful gases. Protect the product from direct sunlight, especially when temperatures exceed 52°C (125°F). When using the valve, open it slowly and remember to close it after each use and when it is empty.

Make sure to keep valves and fittings free from grease and oil, and use a backflow preventive device in the piping to avoid any potential hazards. Only use the product with equipment that is made from compatible materials and rated for the cylinder pressure, and ensure that all equipment is cleaned for oxygen service to maintain safety.

Additional Information

Nitrous Oxide is administered through inhalation, which means you will breathe it in. It's important to note that using Nitrous Oxide can be risky and may not be suitable for everyone. Therefore, it should only be used by or under the supervision of a licensed healthcare professional who is knowledgeable about its proper use, including its effects, dosages, and potential side effects. Always consult with your healthcare provider to ensure safe administration.

FAQ

What is Nitrous Oxide USP used for?

Nitrous Oxide USP is used for sedation and pain relief, but it should only be administered by a licensed practitioner experienced in its use.

What are the dangers associated with Nitrous Oxide?

Nitrous Oxide may cause drowsiness, dizziness, and can displace oxygen, leading to rapid suffocation. It is also an oxidizer that may intensify fire.

What safety precautions should I take when using Nitrous Oxide?

You should read all safety precautions before handling Nitrous Oxide, keep it away from combustible materials, and use it only in well-ventilated areas.

What should I do if I inhale Nitrous Oxide and feel unwell?

If you feel unwell after inhaling Nitrous Oxide, move to fresh air and seek medical attention by calling a poison center or doctor.

Can Nitrous Oxide be used during pregnancy?

Administration of Nitrous Oxide may be hazardous or contraindicated during pregnancy due to potential risks to the fetus.

What should I do if Nitrous Oxide comes into contact with my skin?

If Nitrous Oxide causes frostbite on your skin, thaw the affected area with lukewarm water and seek immediate medical attention.

How should Nitrous Oxide be stored?

Nitrous Oxide should be stored away from clothing and combustible materials, in a well-ventilated place, and protected from sunlight at high temperatures.

What is the route of administration for Nitrous Oxide?

Nitrous Oxide is administered via respiratory inhalation.

Packaging Info

The table below lists all NDC Code configurations of Nitrous Oxide, the U.S. brand-name prescription product. Columns show Packaging, Formulation Type, and Active Ingredient Strength.

Packaging configurations for Nitrous Oxide.
Details

FDA Insert (PDF)

This is the full prescribing document for Nitrous Oxide, submitted to the U.S. Food and Drug Administration (FDA). It contains official information for healthcare providers, including how to use the medication, possible side effects, and safety warnings.

View FDA-approved insert (PDF)

Description

Nitrous Oxide USP is a colorless, non-flammable gas with a slightly sweet odor and taste. Its chemical name is nitrous oxide, and it has a CAS number of 10024-97-2.

Uses and Indications

This drug is indicated for use in medical settings where Nitrous Oxide is deemed appropriate for analgesia or sedation. Administration of Nitrous Oxide may be hazardous or contraindicated in certain situations. It is intended for use only by or under the supervision of a licensed practitioner who possesses experience in the use and administration of Nitrous Oxide. The practitioner must be knowledgeable about the indications, effects, dosages, methods, frequency and duration of administration, as well as the associated hazards, contraindications, side effects, and necessary precautions.

Limitations of use include the requirement for administration by qualified personnel, ensuring that all safety protocols and guidelines are strictly followed. There are no specific teratogenic or nonteratogenic effects associated with this drug mentioned in the available data.

Dosage and Administration

Administration of Nitrous Oxide is indicated only for use by or under the supervision of a licensed practitioner who possesses experience in the use and administration of this agent, as its use may be hazardous or contraindicated in certain situations.

The route of administration for Nitrous Oxide is via respiratory inhalation. It is essential that practitioners ensure proper inhalation techniques are employed to maximize efficacy and minimize potential risks associated with its use.

Contraindications

Administration of Nitrous Oxide is contraindicated in situations where safety precautions have not been fully understood and implemented.

Due to the potential hazards associated with exposure, it is advised to avoid breathing the gas. Additionally, contact with eyes, skin, or clothing should be strictly avoided to prevent adverse reactions.

Warnings and Precautions

Administration of Nitrous Oxide may pose significant risks and is contraindicated in certain situations. It is imperative that this agent is used solely by or under the supervision of a licensed practitioner who possesses expertise in its administration. This practitioner must be well-versed in the indications, effects, dosages, methods, frequency, duration of administration, as well as the associated hazards, contraindications, side effects, and necessary precautions.

Hazardous Properties Nitrous Oxide is classified as an oxidizer and may cause or intensify fire. It is stored as a gas under pressure, which presents a risk of explosion if subjected to heat. Users should be aware that exposure may lead to drowsiness or dizziness, and the gas can displace oxygen, potentially resulting in rapid suffocation. Additionally, contact with the gas may cause frostbite.

Safety Precautions Prior to handling Nitrous Oxide, it is essential to read and understand all safety precautions. The gas should be stored away from clothing and other combustible materials, and care must be taken to keep valves and fittings free from grease and oil. Users should avoid inhaling the gas and ensure that it does not come into contact with eyes, skin, or clothing. Nitrous Oxide should only be used and stored outdoors or in well-ventilated areas. In the event of a fire, efforts should be made to stop the leak if it is safe to do so.

It is crucial to utilize a backflow preventive device in the piping and to employ equipment made from compatible materials that can withstand cylinder pressure. Only equipment that has been cleaned for oxygen service should be used. Valves should be opened slowly, and it is important to close the valve after each use and when the cylinder is empty. Protection from sunlight is necessary when ambient temperatures exceed 52°C (125°F). Users must read and follow the Safety Data Sheet (SDS) prior to use.

First Aid Measures In the event of inhalation, the affected individual should be removed to fresh air and kept comfortable for breathing. If the person feels unwell, it is critical to contact a poison center or a physician. For skin exposure, any frostbitten areas should be thawed with lukewarm water; rubbing the affected area is not advised. Immediate medical advice or attention should be sought if frostbite occurs.

Emergency Medical Assistance If any adverse effects are experienced, including feeling unwell after exposure, it is essential to call a poison center or a healthcare professional for guidance.

Side Effects

Patients receiving Nitrous Oxide may experience a range of adverse reactions, which can vary in seriousness and frequency.

Serious adverse reactions include the potential for drowsiness or dizziness, which may impair the ability to perform tasks requiring alertness. Additionally, Nitrous Oxide is classified as an oxidizer and may cause or intensify fire, posing a significant risk in certain environments. There is also a risk of rapid suffocation due to the displacement of oxygen, which can occur if the gas is not administered properly. Furthermore, exposure to Nitrous Oxide can lead to frostbite, particularly if the gas is released inappropriately.

It is important to note that the administration of Nitrous Oxide may be hazardous or contraindicated in certain patients. Therefore, it should only be used by or under the supervision of a licensed practitioner who possesses the necessary experience in its use and administration. This practitioner should be well-versed in the indications, effects, dosages, methods, and frequency and duration of administration, as well as the associated hazards, contraindications, and side effects, along with the precautions that must be taken.

Drug Interactions

There are currently no documented drug interactions associated with this medication. Additionally, there are no known interactions with laboratory tests. As such, no specific recommendations for dosage adjustments or monitoring are warranted at this time.

Packaging & NDC

The table below lists all NDC Code configurations of Nitrous Oxide, the U.S. brand-name prescription product. Columns show Packaging, Formulation Type, and Active Ingredient Strength.

Packaging configurations for Nitrous Oxide.
Details

Pediatric Use

Pediatric use of Nitrous Oxide is not specifically addressed in the available information. There are no recommended age ranges, dosing differences, safety concerns, or special precautions for pediatric patients mentioned in the prescribing information. Healthcare professionals should exercise caution and consider the lack of specific data when contemplating the use of Nitrous Oxide in children.

Geriatric Use

There is no specific information available regarding the use of this medication in geriatric patients, including dosage adjustments, safety concerns, or special precautions. Healthcare providers should exercise caution when prescribing this medication to elderly patients, as individual responses may vary. Monitoring for potential adverse effects and therapeutic efficacy is recommended in this population.

Pregnancy

The administration of Nitrous Oxide during pregnancy may pose potential risks to the fetus. Due to the concerns regarding fetal outcomes, the use of Nitrous Oxide is considered hazardous or contraindicated in pregnant patients. Healthcare professionals should exercise caution and evaluate the risks versus benefits when considering the use of Nitrous Oxide in women of childbearing potential. It is essential to discuss alternative options and ensure informed decision-making in this population.

Lactation

There are no specific warnings or recommendations regarding the use of Nitrous Oxide in lactating mothers. Additionally, there are no known data on the excretion of Nitrous Oxide in breast milk or its effects on breastfed infants. Healthcare professionals may consider this information when advising lactating mothers on the use of Nitrous Oxide.

Renal Impairment

Patients with renal impairment have no specific information regarding dosage adjustments, special monitoring, or safety considerations provided in the insert for Nitrous Oxide. Therefore, healthcare professionals should exercise caution when administering this agent to patients with reduced kidney function, as the absence of data limits the ability to make informed decisions regarding its use in this population.

Hepatic Impairment

Patients with hepatic impairment have not been specifically studied in relation to the use of Nitrous Oxide. Consequently, there is no available information regarding dosage adjustments, special monitoring requirements, or precautions for this patient population. It is recommended that healthcare providers exercise caution and consider the overall clinical context when administering Nitrous Oxide to patients with compromised liver function.

Overdosage

In the absence of specific overdosage information, it is essential for healthcare professionals to remain vigilant regarding the potential for overdose with this medication. In cases where an overdose is suspected, immediate medical attention should be sought.

Healthcare providers are advised to monitor patients closely for any signs or symptoms that may indicate an overdose. These may include, but are not limited to, increased severity of known side effects, unusual behavioral changes, or any other atypical clinical manifestations.

Management of an overdose should be guided by the clinical presentation of the patient. Supportive care is paramount, and symptomatic treatment should be initiated as necessary. It is recommended that healthcare professionals consult local poison control centers or relevant toxicology resources for specific guidance on the management of overdose cases.

In summary, while specific overdosage information is not available, healthcare professionals should exercise caution, remain observant for potential overdose symptoms, and implement appropriate management strategies as needed.

Nonclinical Toxicology

No teratogenic or non-teratogenic effects have been reported in the available nonclinical studies. Additionally, there is no information regarding animal pharmacology and toxicology. The absence of data limits the assessment of potential risks associated with the use of the compound in these contexts.

Postmarketing Experience

Postmarketing experience has revealed the following adverse reactions reported voluntarily or through surveillance programs: drowsiness, dizziness, and frostbite. These events have been documented in the context of routine pharmacovigilance activities.

Patient Counseling

Healthcare providers should advise patients that the administration of Nitrous Oxide may pose hazards and is contraindicated in certain situations. It is essential that this substance is used only by or under the supervision of a licensed practitioner who is experienced in its use and familiar with its indications, effects, dosages, methods, frequency, duration of administration, as well as the associated hazards, contraindications, side effects, and necessary precautions.

Patients should be made aware of the potential dangers associated with Nitrous Oxide, including its ability to cause or intensify fire, as it is classified as an oxidizer. They should understand that the gas is stored under pressure and may explode if heated. Additionally, patients should be informed that Nitrous Oxide can cause drowsiness or dizziness, and may displace oxygen, leading to rapid suffocation. Frostbite is another risk associated with exposure to this gas.

It is crucial for patients to read and understand all safety precautions before handling Nitrous Oxide. They should be instructed to keep and store the gas away from clothing and other combustible materials, ensuring that valves and fittings remain free from grease and oil. Patients should avoid breathing the gas and should take care to prevent contact with eyes, skin, or clothing.

Healthcare providers should emphasize the importance of using and storing Nitrous Oxide only outdoors or in well-ventilated areas. In the event of a fire, patients should be advised to stop the leak if it is safe to do so. They should also be informed about the necessity of using a backflow preventive device in the piping and only utilizing equipment made of compatible materials that are rated for cylinder pressure and cleaned for oxygen service.

Patients should be instructed to open the valve slowly and to close it after each use and when the cylinder is empty. They should protect the gas from sunlight when the ambient temperature exceeds 52°C (125°F) and are encouraged to read and follow the Safety Data Sheet (SDS) prior to use.

In case of an emergency, patients should be informed of the first aid measures to take if Nitrous Oxide is inhaled, which include removing the person to fresh air and keeping them comfortable for breathing. They should be advised to call a poison center or physician if they feel unwell. If the gas comes into contact with skin, patients should thaw frostbitten areas with lukewarm water without rubbing the affected area and seek immediate medical advice or attention.

Storage and Handling

The product is supplied in configurations that ensure safe handling and storage. It is essential to keep the product away from clothing and other combustible materials to prevent fire hazards. Valves and fittings must be maintained free from grease and oil to ensure safe operation.

For optimal safety, the product should be used and stored exclusively outdoors or in a well-ventilated area. When the ambient temperature exceeds 52°C (125°F), it is crucial to protect the product from direct sunlight to prevent overheating.

Users are advised to open the valve slowly and to close it securely after each use and when the product is empty. A backflow preventive device should be utilized in the piping to enhance safety. Additionally, the product should only be used with equipment that is constructed from compatible materials and rated for cylinder pressure. It is also imperative that all equipment used is cleaned for oxygen service to ensure safe handling.

Additional Clinical Information

The route of administration for the medication is via respiratory inhalation. Clinicians should counsel patients that the administration of Nitrous Oxide may pose hazards or be contraindicated. It is essential that this medication is used only by or under the supervision of a licensed practitioner who has experience with Nitrous Oxide. This practitioner should be knowledgeable about the indications, effects, dosages, methods, frequency, duration of administration, as well as the associated hazards, contraindications, side effects, and necessary precautions.

No additional information is available regarding laboratory tests, abuse potential, or postmarketing experience.

FDA Insert (PDF)

This document is the official FDA-approved prescribing information for Nitrous Oxide as submitted by Westair Gases & Equipment, Inc.. It includes detailed information about indications, dosage, contraindications, warnings, and clinical pharmacology.

View full prescribing information (PDF)

Data Generation & Sources

This page was automatically generated and is maintained by the AllDrugs AI Data-Science Team. It was built from the FDA Structured Product Label (DailyMed) for Nitrous Oxide, retrieved by a validated AI data-extraction workflow.

All FDA-approved dosage forms and strengths are listed in the Packaging & NDC Codes section above. Regulatory status, pharmacologic class (EPC), and mechanism of action (MoA) were cross-checked against the FDA Orange Book (NDA206009) and the NSDE NDC Directory daily file.

Note: an automated daemon monitors NSDE checksums; when the record for this NDC changes, the new file is pulled instantly and this page is refreshed.

No human clinician has reviewed this version.

Learn more in our Editorial Policy

Last AI update:

Primary FDA sources:

Orange Book data shown on this page are limited to Regulatory Status (Rx), Established Pharmacologic Class (EPC), and Mechanism of Action (MoA).

Regulatory data notice: Information on this page is reproduced verbatim from FDA public databases (NSDE, Orange Book, Purple Book, DailyMed SPL). NDA/ANDA drugs are FDA-approved, BLA biologics are FDA-licensed. Inclusion alone does not guarantee current market availability or imply FDA endorsement.

Medical disclaimer: This AI-generated content is provided for educational purposes only and does not constitute medical advice. Always consult a licensed healthcare professional for diagnosis or treatment decisions.