Nitrous oxide

Description

LifeGas is a medical gas consisting of nitrous oxide, designated by the chemical name NITROUS OXIDE UN1070. It has a CAS number of 10024-97-2 and is classified as a non-flammable gas with oxidizer properties (Oxidizer 5.1). This product is distributed by Linde Gas North America LLC, located at 575 Mountain Ave., Murray Hill, NJ 07974. LifeGas is available by prescription only (Rx only).

Uses and Indications

Nitrous Oxide is indicated for use as a medical gas to provide anesthetic effects during surgical and diagnostic procedures. It is administered as a diluent for oxygen to create respirable mixtures suitable for patient use.

There are no specific teratogenic or nonteratogenic effects associated with Nitrous Oxide.

Dosage and Administration

Administration of Nitrous Oxide is to be conducted exclusively by or under the supervision of a licensed practitioner who possesses experience in its use and administration. This practitioner must be well-versed in the indications, effects, dosages, methods, and frequency and duration of administration.

The recommended route of administration for Nitrous Oxide is rectal. When utilized as a diluent for oxygen to create respirable mixtures, it is imperative that the user ensures an adequate concentration of oxygen is maintained to sustain life.

Contraindications

Administration of Nitrous Oxide is contraindicated in situations where it may pose a hazard. It should only be used by or under the supervision of a licensed practitioner experienced in its administration, who is knowledgeable about its indications, effects, dosages, methods, frequency, duration, hazards, contraindications, side effects, and necessary precautions.

Specific contraindications include:

• Avoid breathing the gas directly.

• Prevent contact of the liquid with eyes, skin, or clothing.

• Keep oil and grease away from the administration area.

• Do not strike an arc or direct a laser beam onto the cylinder.

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 the administration of Nitrous Oxide. 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.

Hazards and Safety Precautions

Nitrous Oxide is classified as a high-pressure oxidizing liquid and gas, which can lead to rapid suffocation. Additionally, it may induce anesthetic effects and cause frostbite. To mitigate these risks, it is crucial to avoid inhalation of the gas. Adequate ventilation must be ensured during storage and use. It is essential to keep oil and grease away from the gas, and to utilize equipment that has been cleaned for oxygen service and is rated for the appropriate cylinder pressure. Care should be taken to prevent liquid from contacting the eyes, skin, or clothing. The temperature of the cylinder must not exceed 52°C (125°F). Valves should be opened slowly, closed after each use, and when the cylinder is empty. A backflow preventive device should be employed in the piping, and all handling should be conducted in accordance with the Material Safety Data Sheets (MSDS).

When Nitrous Oxide is utilized as a diluent for oxygen to create respirable mixtures, it is the user's responsibility to ensure that the oxygen concentration is sufficient to sustain life. During liquid withdrawal, protective equipment should be worn to prevent contact with the liquid. It is also critical to maintain distance from heat, flames, or sparks, and to avoid striking an arc or directing a laser beam at the cylinder. Cylinders must always be secured in an upright position and handled with adequate ventilation.

Emergency Response

In the event of inhalation, the individual should be removed to fresh air immediately. If the person is not breathing, artificial respiration should be administered. If breathing difficulties arise, supplemental oxygen should be provided, and a physician should be contacted without delay. In cases of frostbite, immediate medical treatment is necessary.

No specific laboratory tests have been identified for the safe use of Nitrous Oxide. Additionally, there are no outlined instructions for discontinuing use or contacting a physician in the absence of adverse effects.

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 and gas, which can lead to rapid suffocation and may cause anesthetic effects.

Among the adverse reactions observed, patients may experience anesthetic effects, which are a direct consequence of the drug's pharmacological properties. Additionally, there is a risk of frostbite associated with the use of Nitrous Oxide, particularly in cases of improper handling or exposure to the gas in its liquid form.

In the event of frostbite, it is imperative that patients obtain medical treatment immediately to mitigate potential complications. For those who may inhale Nitrous Oxide, it is crucial to remove them to fresh air. If the individual is not breathing, artificial respiration should be administered, and if breathing difficulties arise, supplemental oxygen should be provided. In all cases, contacting a physician is essential for further evaluation and management.

Drug Interactions

There are currently no specific drug interactions identified for the medication. Additionally, no interactions with laboratory tests have been reported. Therefore, no dosage adjustments or monitoring recommendations are necessary at this time. It is advisable for healthcare professionals to remain vigilant and consult updated resources as new data may emerge.

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.

Pediatric Use

Administration of Nitrous Oxide may pose hazards or be contraindicated in pediatric patients. It is essential that it be used only by or under the supervision of a licensed practitioner experienced in its use and administration, particularly within pediatric populations.

Safety and efficacy in children have not been established, necessitating special precautions during administration. Care should be taken due to the potential anesthetic effects and the risks associated with rapid suffocation in this demographic.

Geriatric Use

Elderly patients may not have specific dosage adjustments, safety concerns, or special precautions outlined in the drug insert for Nitrous Oxide. As such, healthcare providers should exercise caution when administering this agent to geriatric patients, given the lack of targeted clinical findings or recommendations for this population. It is advisable to monitor elderly patients closely for any adverse effects or complications that may arise during treatment, considering their unique physiological responses and potential comorbidities.

Pregnancy

Administration of Nitrous Oxide during pregnancy may pose risks and is generally considered hazardous or contraindicated. Healthcare professionals should exercise caution and ensure that Nitrous Oxide is used only by or under the supervision of a licensed practitioner experienced in its administration. Given the potential risks associated with its use, pregnant patients should be carefully evaluated, and alternative options should be considered to mitigate any potential adverse fetal outcomes.

Lactation

There is no specific information available regarding the use of Nitrous Oxide in nursing mothers or its effects on lactation. Consequently, the potential excretion of Nitrous Oxide in breast milk and its impact on breastfed infants remain undetermined. Healthcare professionals should exercise caution and consider the lack of data when advising lactating mothers on the use of this agent.

Renal Impairment

There is no specific information regarding renal impairment, dosage adjustments, special monitoring, or safety considerations for patients with reduced kidney function provided in the insert for Nitrous Oxide. Healthcare professionals should exercise caution and consider the lack of data when treating patients with renal impairment.

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 clinical judgment when considering the use of Nitrous Oxide in patients with compromised liver function, as individual patient factors may influence treatment decisions.

Overdosage

Administration of Nitrous Oxide may pose significant risks and is contraindicated in certain situations. It is imperative that this agent is utilized solely by or under the supervision of a licensed practitioner who possesses experience in its use and administration.

Potential Hazards

Nitrous Oxide is classified as a high-pressure oxidizing liquid and gas, which can lead to rapid suffocation if not handled properly. Additionally, exposure may result in anesthetic effects, and there is a risk of frostbite due to the properties of the gas.

Recommended Actions in Case of Overdosage

In the event of inhalation, immediate action is required. The affected individual should be removed to an area with fresh air. If the individual is not breathing, artificial respiration should be administered promptly. Should breathing difficulties arise, supplemental oxygen must be provided. It is crucial to contact a physician for further evaluation and management.

Frostbite Management

In instances of frostbite, immediate medical treatment is essential. Prompt intervention can mitigate potential complications associated with tissue damage.

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 understanding of the compound's potential effects in these areas.

Postmarketing Experience

Postmarketing experience has identified several adverse reactions associated with the use of Nitrous Oxide. Reported reactions include anesthetic effects, frostbite, and rapid suffocation. The administration of Nitrous Oxide may pose hazards or be contraindicated in certain situations.

It is recommended that Nitrous Oxide be used only by or under the supervision of a licensed practitioner experienced in its use and administration. Users must ensure that sufficient oxygen concentration is maintained to sustain life when Nitrous Oxide is utilized as a diluent for oxygen to create respirable mixtures.

Warnings regarding high-pressure oxidizing liquid and gas are noted, including the potential for vigorous combustion acceleration. First aid measures for inhalation or frostbite are provided, highlighting the necessity for immediate medical treatment in such cases.

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.

When Nitrous Oxide is utilized as a diluent for oxygen to create respirable mixtures, it is critical for patients to ensure that the oxygen concentration is sufficient to sustain life.

Providers must communicate the following warning to patients: Nitrous Oxide is a high-pressure oxidizing liquid and gas that can lead to rapid suffocation, may induce anesthetic effects, and can cause frostbite. Patients should be instructed to wear protective equipment to prevent contact with liquid Nitrous Oxide, which can cause harm to the eyes, skin, or clothing. They should also be cautioned to keep Nitrous Oxide away from heat, flames, or sparks, and to avoid contact with oil, grease, and other combustibles. Adequate ventilation is necessary during transport, storage, and use. Patients should be informed not to strike an arc or laser beam on the cylinder and to use equipment that has been cleaned for oxygen service and is rated for cylinder pressure. It is important to use a backflow preventive device in the piping and to ensure that the cylinder temperature does not exceed 52°C (125°F). Patients should always secure the cylinder in an upright position, close the valve after each use and when empty, and return the cylinder with a pressure of 25 psig and the cap secured, if applicable. They should also be advised to open the valve slowly.

In the event of frostbite, patients should seek medical treatment immediately. If Nitrous Oxide is inhaled, they should be removed to fresh air. If the patient is not breathing, artificial respiration should be administered. If breathing is difficult, oxygen should be provided, and a physician should be contacted promptly.

Storage and Handling

The product is supplied in a cylinder format, which must be handled with care to ensure safety and efficacy. The cylinder should be stored in an upright position and secured to prevent tipping. It is essential to maintain adequate ventilation in the storage area to minimize the risk of gas accumulation.

The maximum allowable temperature for the cylinder is 52°C (125°F). It is crucial to keep oil and grease away from the gas to prevent potential hazards. Equipment used with the gas must be specifically cleaned for oxygen use and rated for the cylinder pressure to ensure safe operation.

When using the cylinder, the valve should be opened slowly to avoid sudden pressure changes. A back flow preventive device must be installed in the piping to prevent any reverse flow of gas. After each use, the valve should be closed, and it is important to return the cylinder with a pressure of 25 psig, ensuring that the cylinder cap is secured if applicable. Care should be taken to avoid contact with liquid gas, as it can cause harm to the eyes, skin, or clothing.

Additional Clinical Information

The route of administration for the medication is rectal. Clinicians should counsel patients that the administration of Nitrous Oxide may pose hazards or be contraindicated. It is essential that it be used only by or under the supervision of a licensed practitioner experienced in its use, who is knowledgeable about the indications, effects, dosages, methods, frequency, duration of administration, and associated hazards, contraindications, side effects, and necessary precautions.

In the event of frostbite, patients should seek immediate medical treatment. If Nitrous Oxide is inhaled, the patient should be moved to fresh air. If the patient is not breathing, artificial respiration should be provided, and if breathing is difficult, oxygen should be administered. A physician should be contacted promptly.

FDA Insert (PDF)

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

View full prescribing information (PDF)