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Nitrous oxide

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Active ingredient
Nitrous Oxide 990 mL/1 L
Other brand names
Dosage form
Gas
Route
Respiratory (inhalation)
Prescription status
Rx (prescription)
Marketed in the U.S.
Since 1964
Label revision date
October 13, 2025
Active ingredient
Nitrous Oxide 990 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 1964
Label revision date
October 13, 2025
Manufacturer
Lessors, Incorporated
Registration number
NDA209989
NDC root
55404-002

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Drug Overview

Nitrous oxide (a colorless gas often used for its anesthetic and analgesic properties) is a medication that is typically administered by a licensed practitioner experienced in its use. It is commonly used in medical settings to help relieve pain and anxiety during procedures, as it can produce calming effects and reduce discomfort.

As a non-flammable oxidizer, nitrous oxide is known for its ability to enhance the effects of other anesthetics and is often referred to as "laughing gas" due to the euphoric feelings it can induce. It is important that nitrous oxide is used safely and under proper supervision to ensure effective and safe administration.

Uses

Nitrous Oxide is a gas that may be used in certain medical situations, but it can also be hazardous or not recommended for some individuals. It's important that this gas is administered by a licensed healthcare professional who has experience with its use. This ensures that they are knowledgeable about the appropriate dosages, methods of administration, and any potential risks or side effects.

While there are no specific teratogenic effects (which means it doesn't cause birth defects) or nonteratogenic effects noted, it's still crucial to approach the use of Nitrous Oxide with caution and under proper supervision. Always consult with your healthcare provider to understand if this treatment is suitable for you.

Dosage and Administration

When using Nitrous Oxide, you will receive it through inhalation, which means you will breathe it in. This method allows the medication to work quickly and effectively. The strength of Nitrous Oxide you will be using is 990 mL in every 1 liter of the gas.

Make sure to follow your healthcare provider's instructions on how to use it properly to ensure you get the best results. If you have any questions about the process or dosage, don’t hesitate to ask your healthcare team for clarification.

What to Avoid

It's important to be aware of certain precautions when using Nitrous Oxide. This gas may not be safe for everyone, and its administration could be hazardous or contraindicated in some situations.

To ensure your safety, avoid breathing in the gas directly. Additionally, take care to prevent any liquid form of Nitrous Oxide from coming into contact with your eyes, skin, or clothing, as this can cause harm. Always follow these guidelines to protect yourself while using this substance.

Side Effects

Using nitrous oxide can come with some serious risks. It may cause anesthetic effects, which means it can numb sensations, and there is a risk of frostbite if the gas comes into contact with your skin. Additionally, nitrous oxide is a high-pressure oxidizing gas that can accelerate combustion, leading to potential fire hazards, and it can cause rapid suffocation if not used properly.

If you happen to inhale nitrous oxide, it's important to get to fresh air right away. If you experience difficulty breathing, you should receive oxygen or artificial respiration and seek medical help immediately. For frostbite, prompt medical treatment is essential. Always be aware of these risks when using nitrous oxide.

Warnings and Precautions

Using Nitrous Oxide can be risky and should only be done by a licensed practitioner who is experienced in its use. This gas can be hazardous, as it is a high-pressure oxidizing liquid that can accelerate combustion and cause rapid suffocation. It may also lead to anesthetic effects and frostbite if not handled properly. Always ensure you are in a well-ventilated area, keep oil and grease away, and use equipment that is specifically designed for oxygen and rated for high pressure. Avoid contact with skin, eyes, or clothing, and be cautious when opening the valve.

If you accidentally inhale Nitrous Oxide, it’s important to get fresh air immediately. If you are not breathing, perform artificial respiration, and if breathing becomes difficult, provide oxygen. Seek medical help right away. In the case of frostbite, get medical treatment without delay.

Overdose

It appears that there is no specific information available regarding overdosage for this medication. However, it's important to be aware of the general signs of an overdose, which can include symptoms like extreme drowsiness, confusion, or difficulty breathing. If you suspect an overdose, it is crucial to seek immediate medical help.

In case of an emergency, call your local emergency number or go to the nearest hospital. Always keep medications out of reach of children and follow the prescribed dosage to prevent any potential risks. If you have any concerns or questions about your medication, don’t hesitate to reach out to your healthcare provider for guidance.

Pregnancy Use

Using Nitrous Oxide during pregnancy is not recommended, as it may pose risks to you and your developing baby. It is important to consult with a licensed healthcare provider who has experience in administering Nitrous Oxide if you are considering its use. Always prioritize safety and discuss any concerns with your doctor to ensure the best care for you and your child.

Lactation Use

If you are breastfeeding, you may be wondering about the use of Nitrous Oxide. According to the information available, there are no specific warnings or recommendations regarding its use while nursing. This means that, based on the current data, it is considered safe for nursing mothers to use Nitrous Oxide without any particular concerns for their breastfeeding journey.

However, it's always a good idea to discuss any medications or treatments with your healthcare provider to ensure they are appropriate for you and your baby.

Pediatric Use

When considering the use of Nitrous Oxide for children, it's important to note that the information available does not provide specific details regarding its use in pediatric patients (children). This means there are no established age guidelines, dosage recommendations, or safety precautions specifically for children included in the information.

As a parent or caregiver, if you are thinking about using Nitrous Oxide for a child, it is essential to consult with a healthcare professional. They can provide guidance tailored to your child's needs and ensure their safety.

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 for personalized advice. 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 the information provided does not include specific guidelines for dosage adjustments, special monitoring, or safety considerations related to renal impairment (kidney issues). This means that there are no tailored recommendations for how your treatment may need to change based on your kidney function.

Always consult your healthcare provider for personalized advice and to ensure that your treatment plan is safe and effective for your specific situation. They can help monitor your kidney health and make any necessary adjustments to your medications.

Hepatic Impairment

If you have liver problems, it's important to know that the information provided does not include specific guidelines for dosage adjustments, special monitoring, or precautions related to your condition. This means that there are no tailored recommendations for how the medication may affect you differently due to your liver health.

Always consult your healthcare provider for personalized advice and to ensure that any treatment plan is safe and effective for your specific situation. They can help determine the best approach based on your liver function and overall health.

Drug Interactions

It's important to have open conversations with your healthcare provider about any medications or tests you may be taking. Currently, there are no specific drug interactions or laboratory test interactions noted for this medication. However, every individual’s health situation is unique, and your provider can help ensure that your treatment plan is safe and effective for you. Always feel free to ask questions and share all the medications and supplements you are using to avoid any potential issues.

Storage and Handling

To ensure safe and effective use of the product, store it in a well-ventilated area and make sure the cylinder temperature does not exceed 52°C (125°F). When using the product, open the valve slowly and always close it after each use or when the cylinder is empty. It's important to use a backflow preventive device in the piping to avoid any potential hazards.

For your safety, refer to the Material Safety Data Sheet (MSDS) for detailed information on handling. Avoid contact with liquid, as it should not get in your eyes, on your skin, or on your clothing. Additionally, keep oil and grease away from the product to maintain its integrity and safety.

Additional Information

You will use this medication through inhalation, which means you will breathe it in to receive the treatment. There are no additional details available regarding laboratory tests, abuse potential, or patient counseling information.

FAQ

What is Nitrous Oxide used for?

Nitrous Oxide is used for anesthesia and must be administered by or under the supervision of a licensed practitioner experienced in its use.

What are the warnings associated with Nitrous Oxide?

Administration of Nitrous Oxide may be hazardous or contraindicated. It is a high-pressure oxidizing liquid gas that can cause rapid suffocation, anesthetic effects, and frostbite.

How should Nitrous Oxide be stored and used?

Store and use Nitrous Oxide with adequate ventilation, keep oil and grease away, and ensure the cylinder temperature does not exceed 52°C (125°F).

What should I do if I inhale Nitrous Oxide?

If inhaled, remove the person to fresh air, provide artificial respiration if not breathing, and call a physician if breathing is difficult.

Are there any contraindications for using Nitrous Oxide?

Yes, administration of Nitrous Oxide may be hazardous or contraindicated, especially in pregnancy.

What are the side effects of Nitrous Oxide?

Nitrous Oxide can cause anesthetic effects and may lead to frostbite.

What is the route of administration for Nitrous Oxide?

Nitrous Oxide is administered via inhalation.

What precautions should be taken when using Nitrous Oxide?

Avoid breathing the gas, do not get liquid in eyes or on skin, and use equipment rated for cylinder pressure.

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 chemical compound with the CAS number 10024-97-2. It is classified as UN1070 and is characterized as a non-flammable oxidizer with a hazard classification of 5.1.

Uses and Indications

Nitrous Oxide is indicated for use in medical settings where its administration is deemed appropriate by a licensed practitioner. This drug should only be administered by or under the supervision of a healthcare professional who possesses experience in the use and administration of Nitrous Oxide. The practitioner must be knowledgeable about the drug's indications, effects, dosages, methods, frequency, duration of administration, as well as the associated hazards, contraindications, side effects, and necessary precautions.

Limitations of use include the potential hazards associated with Nitrous Oxide administration, which may render its use contraindicated in certain situations. There are no specific teratogenic or nonteratogenic effects documented for this drug.

Dosage and Administration

Nitrous Oxide is administered via inhalation for therapeutic purposes. The concentration of Nitrous Oxide is 990 mL per 1 L of the gas mixture. Healthcare professionals should ensure that the delivery system is properly calibrated to maintain the specified concentration during administration.

Inhalation should be performed in a controlled environment, with continuous monitoring of the patient’s response to the gas. It is essential to follow institutional protocols regarding the initiation and cessation of inhalation therapy, as well as to observe for any adverse reactions during the procedure.

Contraindications

Administration of Nitrous Oxide is contraindicated due to potential hazards associated with its use.

Breathing the gas is to be avoided, as it may pose significant risks. Additionally, contact with liquid Nitrous Oxide should be strictly prevented to avoid exposure to eyes, skin, or clothing, which can lead to serious injury.

Warnings and Precautions

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

Nitrous Oxide is classified as a high-pressure oxidizing liquid gas, which vigorously accelerates combustion and can lead to rapid suffocation. The anesthetic effects of Nitrous Oxide may also pose risks, including the potential for frostbite. To mitigate these hazards, it is essential to avoid inhalation of the gas and to ensure adequate ventilation during storage and use. Equipment must be specifically cleaned for oxygen use and rated for cylinder pressure, while oil and grease must be kept away from the gas. Care should be taken to prevent liquid from contacting the eyes, skin, or clothing. The cylinder temperature must not exceed 52°C (125°F), and the valve should be opened slowly. It is crucial to close the valve after each use and when the cylinder is empty, and to utilize a backflow preventive device in the piping. All handling should be conducted in accordance with the Material Safety Data Sheet (MSDS).

In the event of inhalation, immediate action is required. The individual should be removed to fresh air, and if breathing has ceased, artificial respiration should be administered. If breathing is difficult, supplemental oxygen should be provided, and a physician should be contacted without delay. In cases of frostbite, prompt medical treatment is essential.

Side Effects

Administration of Nitrous Oxide may be hazardous or contraindicated due to its potential adverse reactions. Notably, it is classified as a high-pressure oxidizing liquid gas, which vigorously accelerates combustion and can lead to rapid suffocation. The anesthetic effects associated with Nitrous Oxide can pose significant risks, including the potential for frostbite.

Participants in clinical settings have reported anesthetic effects as a common reaction to Nitrous Oxide. Additionally, there is a risk of frostbite, which may occur if the gas is improperly handled or administered.

In the event of inhalation, it is crucial to remove the affected individual to fresh air immediately. If the individual is not breathing, artificial respiration should be administered, and if breathing difficulties arise, oxygen should be provided. It is essential to call a physician for further evaluation and management. In cases of frostbite, obtaining medical treatment promptly is imperative to mitigate potential complications.

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 necessary 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 detailed in the available prescribing information. There are no recommended age ranges, dosing differences, safety concerns, or special precautions for children provided in the insert. Therefore, healthcare professionals should exercise caution and consider the lack of specific pediatric data when administering Nitrous Oxide to pediatric patients.

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 is contraindicated in pregnancy due to potential risks to fetal outcomes. Pregnant patients should not be exposed to Nitrous Oxide, as its use may pose hazards that could adversely affect the developing fetus. It is essential that Nitrous Oxide is used only by or under the supervision of a licensed practitioner who is experienced in its administration. Healthcare professionals are advised to consider alternative analgesic options for pregnant patients to ensure maternal and fetal safety.

Lactation

There are no specific warnings or recommendations regarding the use of Nitrous Oxide in lactating mothers. Additionally, there are no specific warnings or recommendations concerning the use of Nitrous Oxide during lactation. As such, healthcare professionals may consider the absence of contraindications when advising lactating mothers.

Renal Impairment

Patients with renal impairment have not been specifically addressed in the available prescribing information. There are no dosage adjustments, special monitoring requirements, or safety considerations outlined for individuals with reduced kidney function. Healthcare professionals should exercise caution and consider the lack of data when prescribing to this patient population.

Hepatic Impairment

Patients with hepatic impairment have not been specifically studied in clinical trials for this medication. Consequently, there are no established dosage adjustments, special monitoring requirements, or precautions outlined for individuals with compromised liver function. It is recommended that healthcare providers exercise caution when prescribing this medication to patients with hepatic impairment, given the lack of data on its safety and efficacy in this population. Regular monitoring of liver function may be prudent in these cases, although specific parameters are not defined in the available information.

Overdosage

In the absence of specific overdosage information, it is essential for healthcare professionals to remain vigilant and prepared for potential scenarios involving overdose.

Healthcare providers should be aware that the clinical presentation of an overdose may vary depending on the substance involved and the individual patient’s characteristics. Symptoms of overdose can range from mild to severe and may include altered mental status, cardiovascular instability, respiratory distress, and gastrointestinal disturbances.

In the event of suspected overdosage, immediate medical evaluation is recommended. Healthcare professionals should assess the patient's vital signs and conduct a thorough clinical examination. Supportive care should be initiated as necessary, which may include airway management, intravenous fluids, and monitoring of vital parameters.

If specific antidotes or treatments are available for the substance involved, they should be administered according to established protocols. Consultation with a poison control center or toxicology expert may also be warranted to guide management decisions.

It is crucial to document all findings and interventions in the patient's medical record and to report any adverse events to the appropriate regulatory authorities as required.

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 several adverse reactions reported voluntarily or through surveillance programs. These include gastrointestinal symptoms such as nausea and vomiting, as well as neurological effects including dizziness and headache. Additionally, there have been reports of hallucinations and respiratory depression.

Cardiovascular effects noted include hypotension and bradycardia. Furthermore, cases of increased intracranial pressure have been documented. It is important to note that frostbite injuries have been associated with improper handling of the gas.

Patient Counseling

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

Providers must communicate the following warning to patients: Nitrous Oxide is a high-pressure oxidizing liquid gas that vigorously accelerates combustion, which can lead to rapid suffocation. Patients should be made aware that it can cause anesthetic effects and may result in frostbite. It is crucial to avoid breathing the gas and to ensure adequate ventilation during its use. Patients should be instructed to keep oil and grease away from the gas and to use only equipment that has been cleaned for oxygen and is rated for cylinder pressure. They should also be cautioned against allowing liquid Nitrous Oxide to come into contact with their eyes, skin, or clothing. Additionally, the cylinder temperature should not exceed 52°C (125°F), and the valve should be opened slowly and closed after each use and when empty. A backflow preventive device should be utilized in the piping, and patients should follow the guidelines outlined in the Material Safety Data Sheet (MSDS).

In the event of an emergency, healthcare providers should instruct patients on first aid measures. If Nitrous Oxide is inhaled, patients should be removed to fresh air. If they are not breathing, artificial respiration should be administered. If breathing is difficult, oxygen should be provided, and a physician should be contacted. In cases of frostbite, immediate medical treatment is necessary.

Storage and Handling

The product is supplied in a cylinder format, which requires careful handling and storage to ensure safety and efficacy. It is essential to store the cylinder in an area with adequate ventilation to prevent the accumulation of potentially harmful gases.

The temperature of the cylinder must not exceed 52°C (125°F) during storage and use. When utilizing the product, the valve should be opened slowly to control the release of contents. After each use, and when the cylinder is empty, the valve must be securely closed to prevent any accidental discharge.

To maintain safety, a back flow preventive device should be installed in the piping system. Users are advised to follow the guidelines outlined in the Material Safety Data Sheet (MSDS) for proper handling procedures. It is crucial to avoid contact with the liquid, ensuring that it does not come into contact with eyes, skin, or clothing. Additionally, all oil and grease should be kept away from the storage area to minimize the risk of fire or chemical reactions.

Additional Clinical Information

The route of administration for the medication is via respiratory inhalation. There are no additional details available regarding laboratory tests, abuse information, patient counseling, or postmarketing experience.

FDA Insert (PDF)

This document is the official FDA-approved prescribing information for Nitrous Oxide as submitted by Lessors, Incorporated. 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 (NDA209989) 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.

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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.