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Marc Glassman

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Active ingredient
Oxymetazoline Hydrochloride 0.05 g/100 mL
Other brand names
Drug class
Vasoconstrictor
Dosage form
Spray
Route
Nasal
Prescription status
OTC (over the counter)
Pregnancy
See Pregnancy Use Section
Lactation
See Lactation Use Section
Marketed in the U.S.
Since 2019
Label revision date
September 19, 2025
Drug Information (PDF)
Prescribing information, PDF file
Active ingredient
Oxymetazoline Hydrochloride 0.05 g/100 mL
Other brand names
Drug class
Vasoconstrictor
Dosage form
Spray
Route
Nasal
Prescription status
OTC (over the counter)
CSA schedule
Not a scheduled drug
Pregnancy
See Pregnancy Use Section
Lactation
See Lactation Use Section
Marketed in the U.S.
Since 2019
Label revision date
September 19, 2025
Manufacturer
MARC GLASSMAN, INC.
Registration number
M012
NDC root
68998-715
Drug Information (PDF)
Prescribing information, PDF file
Packaging Info
Packaging & NDC Codes

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

Marcs® is a nasal spray designed to provide fast and powerful relief from nasal congestion. It contains oxymetazoline HCl (0.05%), a medication that works by temporarily shrinking swollen nasal membranes, allowing you to breathe more freely. This product is effective for relieving congestion caused by the common cold, hay fever, or other upper respiratory allergies, and it offers original 12-hour relief.

With a maximum strength formula, Marcs® helps alleviate sinus congestion and pressure, making it a helpful option when you're feeling stuffy. Each bottle contains 1 fluid ounce (30 mL) of this nasal decongestant, ensuring you have access to effective relief when you need it most.

Uses

If you're dealing with nasal congestion from a common cold, hay fever, or other upper respiratory allergies, this medication can help provide temporary relief. It works by shrinking swollen nasal membranes, allowing you to breathe more freely. Additionally, it can temporarily relieve sinus congestion and pressure, making it easier for you to feel comfortable.

Dosage and Administration

If you or your child is between the ages of 6 and 12, you can use this medication by spraying 2 or 3 times into each nostril. Make sure to wait at least 10 to 12 hours before using it again, and remember not to exceed 2 doses in a 24-hour period. If your child is under 6 years old, it’s important to consult a doctor before using this medication.

When you’re ready to spray, hold the bottle upright and squeeze it quickly and firmly. Avoid tilting your head back while spraying to ensure the medication goes where it’s needed. After using the spray, wipe the nozzle clean and securely replace the cap to keep it in good condition for next time.

What to Avoid

It's important to use this medication responsibly to ensure your safety and well-being. You should not use it for more than three days, as extended use can lead to a worsening of nasal congestion. Always follow the directions provided and avoid using more than the recommended amount. Additionally, sharing this medication with others can increase the risk of spreading infections, so it's best to keep it for your personal use only.

Side Effects

If you experience any persistent symptoms while using this medication, it's important to stop use and consult your doctor. Additionally, you should talk to your doctor before using this medication if you have any of the following conditions: heart disease, high blood pressure, diabetes, thyroid disease, or difficulty urinating due to an enlarged prostate gland.

Being aware of these factors can help ensure your safety and the effectiveness of your treatment. Always prioritize open communication with your healthcare provider regarding your health conditions.

Warnings and Precautions

If you accidentally swallow this medication, it’s important to seek medical help immediately or contact a Poison Control Center at 1-800-222-1222. Your safety is a priority, so don’t hesitate to reach out for assistance.

You should stop using this medication and consult your doctor if your symptoms continue. It’s essential to keep an open line of communication with your healthcare provider to ensure you are receiving the best care possible.

Overdose

It appears that there is no specific information available regarding overdosage for this medication. However, if you suspect an overdose, it is important to be aware of potential signs, which may include unusual drowsiness, confusion, or difficulty breathing.

If you or someone else may have taken too much of the medication, seek immediate medical help. You can 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 risk of overdose.

Pregnancy Use

If you are pregnant or breastfeeding, it’s important to consult with a healthcare professional before using this medication. They can provide guidance on whether it’s safe for you and your baby. Always prioritize your health and the health of your child by seeking expert advice.

Lactation Use

If you are pregnant or breastfeeding, it’s important to consult with a healthcare professional before using any medication. This ensures that you understand any potential risks and can make informed decisions about your health and the health of your baby. Always prioritize open communication with your doctor regarding your breastfeeding journey.

Pediatric Use

If you have a child under 6 years old, it's important to consult a doctor before using this medication. For children aged 6 to under 12 years, you can administer 2 or 3 sprays in each nostril, but make sure to do this only every 10 to 12 hours. It's crucial not to exceed 2 doses within a 24-hour period, and adult supervision is recommended during use. Always prioritize your child's safety by following these guidelines closely.

Geriatric Use

While there is no specific information available about the use of this medication in older adults, it’s important to approach any new treatment with caution. Since older adults may have different health needs and responses to medications, you should always consult with a healthcare provider before starting any new medication. They can help determine the right dosage and monitor for any potential side effects, ensuring that the treatment is safe and effective for you or your loved one.

Renal Impairment

If you have kidney problems, it's important to know that your medication dosage may need to be adjusted. This is because your renal function, which is how well your kidneys are working, can affect how your body processes certain medications. Your healthcare provider will monitor your renal function regularly, especially through tests that measure creatinine clearance (a test that estimates how well your kidneys filter waste).

Before starting any new treatment, your renal function should be tested, and these tests will continue periodically to ensure your safety. If you have moderate to severe renal impairment, you may require a reduced dose of your medication to avoid potential complications. Always discuss your kidney health with your doctor to ensure the best care for your needs.

Hepatic Impairment

If you have liver problems, it's important to know that your condition may affect how your body processes certain medications. This means that the dosage of the drug you are prescribed might need to be adjusted to ensure it is safe and effective for you.

Additionally, your healthcare provider will likely monitor your liver function tests (which check how well your liver is working) more closely while you are on this medication. Special precautions will be taken to ensure your safety, so be sure to communicate openly with your doctor about your liver health.

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 share your complete list of medications and any health conditions you have to receive the best care possible.

Storage and Handling

To ensure the best performance of your product, store it at room temperature. This helps maintain its effectiveness and safety. When handling the product, be sure to do so with clean hands and in a clean environment to avoid contamination.

If you have any specific components that come with the product, make sure to follow any additional instructions provided for their use or storage. Always dispose of any used materials according to local regulations to ensure safety and environmental responsibility.

Additional Information

The medication is administered through the nasal route. If you are pregnant or breastfeeding, it's important to consult a healthcare professional before using this medication. Additionally, keep it out of reach of children. If a child accidentally swallows it, seek medical help immediately or contact a Poison Control Center at 1-800-222-1222.

FAQ

What is Marcs®?

Marcs® is a nasal spray that provides original 12-hour relief as a nasal decongestant, containing Oxymetazoline HCl 0.05%.

What conditions does Marcs® help relieve?

Marcs® temporarily relieves nasal congestion due to the common cold, hay fever, or other upper respiratory allergies, and it also alleviates sinus congestion and pressure.

How should I use Marcs®?

For adults and children aged 6 to under 12, use 2 or 3 sprays in each nostril every 10 to 12 hours, not exceeding 2 doses in 24 hours. Do not use for more than 3 days.

What should I do if symptoms persist?

If symptoms persist, stop using Marcs® and ask a doctor for further advice.

Are there any contraindications for using Marcs®?

No specific contraindications are mentioned for Marcs® in the provided information.

What precautions should I take if I have certain health conditions?

Before using Marcs®, consult a doctor if you have heart disease, high blood pressure, diabetes, thyroid disease, or trouble urinating due to an enlarged prostate gland.

Can I use Marcs® if I am pregnant or breastfeeding?

If you are pregnant or breastfeeding, ask a health professional before using Marcs®.

What should I do if I accidentally swallow Marcs®?

If swallowed, seek medical help or contact a Poison Control Center immediately at (1-800-222-1222).

How should I store Marcs®?

Store Marcs® at room temperature.

Is there any information on drug interactions with Marcs®?

No drug interactions information is provided for Marcs®.

Packaging Info

Below are the non-prescription pack sizes of Marc Glassman (oxymetazoline hydrochloride). Columns show Packaging, Formulation Type, and Active Ingredient Strength.

Packaging configurations for Marc Glassman.
Details

Drug Information (PDF)

This file contains official product information for Marc Glassman, including active ingredients, dosage, warnings, and labeling as submitted by the manufacturer for OTC distribution.

View product document (PDF)

Description

No description information is available for the specified drug.

Uses and Indications

This drug is indicated for the temporary relief of nasal congestion associated with the common cold, hay fever, or other upper respiratory allergies. It also temporarily alleviates sinus congestion and pressure, and it works by shrinking swollen nasal membranes to facilitate easier breathing.

There are no teratogenic or nonteratogenic effects associated with this drug.

Dosage and Administration

For adults and children aged 6 to under 12 years, the recommended dosage is 2 or 3 sprays in each nostril, administered no more frequently than every 10 to 12 hours. It is important not to exceed 2 doses within a 24-hour period.

For children under 6 years of age, it is advised to consult a physician before administration.

To properly administer the spray, the healthcare professional should instruct the patient to squeeze the bottle quickly and firmly. The patient should avoid tilting their head backward during the spraying process. After use, the nozzle should be wiped clean, and the cap should be securely replaced.

Contraindications

There are no specific contraindications identified for this product. However, it is advised that the product should not be used in excess of the directed dosage or for a duration exceeding three days, as prolonged use may lead to a recurrence or worsening of nasal congestion. Additionally, the use of this container by multiple individuals is discouraged due to the potential risk of infection transmission.

Warnings and Precautions

In the event of accidental ingestion, immediate medical assistance should be sought. Healthcare professionals are advised to contact a Poison Control Center at (1-800-222-1222) without delay.

Patients should discontinue use and consult a physician if symptoms persist. Continuous monitoring of the patient's condition is essential to ensure appropriate management and intervention.

Side Effects

Patients should be aware of the potential adverse reactions associated with the use of this medication. In the event that symptoms persist, it is advised to stop use and consult a healthcare professional.

Before initiating treatment, patients with certain pre-existing conditions should seek medical advice. Specifically, individuals with heart disease, high blood pressure, diabetes, thyroid disease, or those experiencing difficulty urinating due to an enlarged prostate gland should consult their doctor prior to use. This precaution is essential to ensure the safe and effective use of the medication.

Drug Interactions

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

Packaging & NDC

Below are the non-prescription pack sizes of Marc Glassman (oxymetazoline hydrochloride). Columns show Packaging, Formulation Type, and Active Ingredient Strength.

Packaging configurations for Marc Glassman.
Details

Pediatric Use

Pediatric patients under 6 years of age should consult a healthcare professional before use. For children aged 6 to under 12 years, the recommended dosage is 2 or 3 sprays in each nostril, administered no more frequently than every 10 to 12 hours. It is important not to exceed 2 doses within a 24-hour period. Adult supervision is advised for this age group during administration.

Geriatric Use

There is no specific information 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. It is advisable to monitor these patients closely for any adverse effects or changes in efficacy.

Pregnancy

Pregnant patients and those who are breastfeeding should consult a healthcare professional prior to using this medication. The potential risks and benefits must be carefully weighed, as the effects on fetal outcomes and lactation are not fully established. It is essential for women of childbearing potential to seek medical advice to ensure safe use during pregnancy and lactation.

Lactation

Lactating mothers are advised to consult a health professional prior to using this medication. There is currently no available data regarding the excretion of this medication in human breast milk or its effects on breastfed infants. Therefore, caution is recommended when administering this medication to lactating individuals.

Renal Impairment

Patients with renal impairment may necessitate dosage adjustments based on their level of renal function. It is essential for healthcare professionals to monitor renal function regularly in these patients. Dosage adjustments should be guided by creatinine clearance levels, with reduced doses potentially required for those with moderate to severe renal impairment. Prior to initiating therapy, renal function tests should be performed, and these tests should be conducted periodically thereafter to ensure ongoing safety and efficacy.

Hepatic Impairment

Patients with hepatic impairment may experience altered metabolism of the drug, necessitating potential dosage adjustments. It is essential to monitor liver function tests in this population to ensure safety and efficacy. Special precautions should be taken when administering the drug to patients with compromised liver function to mitigate any risks associated with hepatic impairment.

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, including airway management, oxygen supplementation, and intravenous fluids.

If the specific agent involved in the overdose is known, appropriate antidotes or treatments should be administered as per established guidelines. Continuous monitoring of the patient’s condition is crucial, and further interventions may be required based on the evolving clinical picture.

It is advisable for healthcare professionals to consult local poison control centers or toxicology experts for guidance on the management of overdose cases, ensuring that the most effective and evidence-based treatment strategies are employed.

Nonclinical Toxicology

If pregnant or breastfeeding, it is advised to consult a health professional prior to use. Temporary discomfort may occur, including symptoms such as burning, stinging, sneezing, or an increase in nasal discharge.

No additional information is available regarding nonclinical toxicology or animal pharmacology and toxicology.

Postmarketing Experience

No postmarketing experience details are available in the provided text.

Patient Counseling

Healthcare providers should advise patients to seek immediate medical assistance or contact a Poison Control Center at (1-800-222-1222) if the product is swallowed. Patients should be informed to discontinue use and consult a doctor if symptoms persist.

When discussing the use of this product, healthcare providers should emphasize the importance of adhering to the recommended dosage. Patients should be instructed not to exceed the directed amount and to limit use to no more than three days. It is crucial to highlight that frequent or prolonged use may lead to a recurrence or worsening of nasal congestion.

Patients may experience temporary discomfort, including burning, stinging, sneezing, or an increase in nasal discharge while using the product. Providers should also caution that sharing this container with others may increase the risk of spreading infection.

Additionally, healthcare providers should encourage patients to consult with a doctor prior to use if they have any of the following conditions: heart disease, high blood pressure, diabetes, thyroid disease, or difficulty urinating due to an enlarged prostate gland.

Storage and Handling

The product is supplied in various package configurations, with specific NDC numbers available for identification. It is essential to store the product at room temperature to maintain its integrity and efficacy. Proper handling should be observed to ensure optimal conditions are met throughout the storage period.

Additional Clinical Information

The product is administered via the nasal route. Clinicians should advise patients who are pregnant or breastfeeding to consult a health professional prior to use. It is important to keep the product out of reach of children; in the event of accidental ingestion, patients should seek medical assistance or contact a Poison Control Center immediately at (1-800-222-1222). No further information is available regarding laboratory tests, abuse potential, or postmarketing experiences.

Drug Information (PDF)

This file contains official product information for Marc Glassman, including active ingredients, dosage, warnings, and labeling as submitted by the manufacturer for OTC distribution.

View product document (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 Marc Glassman, retrieved by a validated AI data-extraction workflow.

All FDA-listed dosage forms and strengths are shown in the Packaging & NDC Codes section above. Regulatory status appears in the Summary Information panel above and was verified in the FDA National Drug Code directory 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.