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Green Guard Allergy 2 Relief

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Active ingredient
Phenylephrine Hydrochloride 5 mg
Other brand names
Drug class
alpha-1 Adrenergic Agonist
Dosage form
Tablet, Film Coated
Route
Oral
Prescription status
OTC (over the counter)
Pregnancy
See Pregnancy Use Section
Lactation
See Lactation Use Section
Marketed in the U.S.
Since 2008
Label revision date
September 8, 2025
Drug Information (PDF)
Prescribing information, PDF file
Active ingredient
Phenylephrine Hydrochloride 5 mg
Other brand names
Drug class
alpha-1 Adrenergic Agonist
Dosage form
Tablet, Film Coated
Route
Oral
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 2008
Label revision date
September 8, 2025
Manufacturer
Unifirst First Aid Corporation
Registration number
M012
NDC root
47682-017
Drug Information (PDF)
Prescribing information, PDF file
Packaging Info (3 NDCs)
Packaging & NDC Codes (3)

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

Green Guard Allergy 2 Relief is a nasal decongestant that contains phenylephrine HCl (hydrochloride) 5 mg. It is designed to temporarily relieve nasal congestion caused by the common cold, hay fever, or other upper respiratory allergies. Additionally, it helps alleviate sinus congestion and pressure, making it easier for you to breathe comfortably.

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 easing the swelling in your nasal passages, making it easier for you to breathe.

Additionally, if you're experiencing sinus congestion and pressure, this medication can also help alleviate those symptoms. It's designed to make you feel more comfortable when you're dealing with these common respiratory issues.

Dosage and Administration

If you are an adult or a child aged 12 years and older, you should take 2 tablets every 4 to 6 hours as needed. However, make sure not to exceed 12 tablets in a 24-hour period to avoid potential side effects.

For children under 12 years old, it’s important to consult a doctor before giving them this medication. This ensures that they receive the appropriate dosage and care tailored to their specific needs. Always follow these guidelines to use the medication safely and effectively.

What to Avoid

You should avoid using this product if you are currently taking a prescription monoamine oxidase inhibitor (MAOI), which is a type of medication used for depression, psychiatric conditions, or Parkinson's disease. Additionally, you should not use this product for at least two weeks after stopping an MAOI. If you're unsure whether your prescription includes an MAOI, please consult your doctor or pharmacist before using this product.

It's also important to follow the recommended dosage carefully. Do not exceed the suggested amount, as misuse can lead to serious health issues. Always prioritize your safety and well-being by adhering to these guidelines.

Side Effects

If you experience nervousness, dizziness, or sleeplessness while using this medication, it's important to stop taking it and consult your doctor. Additionally, if your symptoms do not improve within 7 days or if you develop a fever, seek medical advice promptly.

Before using this medication, make sure to talk to your doctor if you have any of the following conditions: heart disease, high blood pressure, thyroid disease, diabetes, or difficulty urinating due to an enlarged prostate gland. Your health history is important to ensure the safe use of this treatment.

Warnings and Precautions

It's important to keep this medication out of reach of children. If an overdose occurs, seek medical help or contact a Poison Control Center immediately. You should not use this product if you are currently taking a prescription monoamine oxidase inhibitor (MAOI) for depression, psychiatric conditions, or Parkinson's disease, or for two weeks after stopping an MAOI. If you're unsure whether your prescription includes an MAOI, please consult your doctor or pharmacist.

Before using this medication, talk to your doctor if you have any of the following conditions: heart disease, high blood pressure, thyroid disease, diabetes, or difficulty urinating due to an enlarged prostate gland. You should stop using the medication and contact your doctor if you experience nervousness, dizziness, or sleeplessness, or if your symptoms do not improve within seven days or are accompanied by a fever.

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 potential risks associated with taking more than the recommended dose. If you suspect an overdose, look for signs such as unusual drowsiness, confusion, or difficulty breathing.

In the event of an overdose, it is crucial to seek immediate medical help. You can contact your local emergency services or go to the nearest hospital. Always keep your medications in a safe place and follow the prescribed dosage to minimize the risk of an 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 are considering this medication for your child, it's important to know that it is not recommended for children under 12 years old without consulting a doctor first. Always reach out to a healthcare professional to discuss the best options for your child's health and 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 to using this medication safely and effectively, considering any unique health needs or conditions that may be present. Always prioritize open communication with your healthcare team to ensure the best outcomes.

Renal Impairment

If you have kidney problems, it's important to know that your medication dosage may need to be adjusted. This is particularly true if you have decreased creatinine clearance (a measure of how well your kidneys are filtering waste). Regular monitoring of your renal function tests is essential to ensure your kidneys are working properly and to help guide any necessary changes in your treatment.

Always discuss your kidney health with your healthcare provider, as they can determine the best approach for your specific situation and ensure that you receive the safest and most effective care.

Hepatic Impairment

If you have liver problems, it's important to know that there are no specific guidelines or dosage adjustments mentioned for your condition in the available information. This means that the standard recommendations apply, but you should always consult your healthcare provider for personalized advice. They can help determine the best approach for your treatment and monitor your liver function as needed.

Make sure to keep your doctor informed about your liver health, as they may want to conduct regular tests to ensure your safety while using any medication. Your well-being is a priority, so don't hesitate to ask questions or express any concerns you may have.

Drug Interactions

It's important to be cautious about the medications you take together. If you are currently using a prescription monoamine oxidase inhibitor (MAOI), or if you have stopped taking one within the last two weeks, you should avoid using this medication. Combining these can lead to serious interactions that may affect your health.

Always discuss any medications, including over-the-counter drugs and supplements, with your healthcare provider. They can help ensure that your treatment is safe and effective, taking into account any potential interactions.

Storage and Handling

To ensure the safety and effectiveness of your product, store it at room temperature, ideally between 59º-86º F (15º-30º C). It's important to keep the product in its tamper-evident sealed packets, which help ensure that the contents are safe and uncontaminated.

If you notice any opened or torn packets, do not use them, as this could compromise the product's integrity. Always handle the packets with care to maintain their sealed condition and protect the contents inside.

Additional Information

No further information is available.

FAQ

What is Green Guard Allergy 2 Relief?

Green Guard Allergy 2 Relief is a nasal decongestant that contains Phenylephrine HCl 5mg, designed to temporarily relieve nasal and sinus congestion.

What conditions does this medication relieve?

It temporarily relieves nasal congestion due to the common cold, hay fever, or other upper respiratory allergies, as well as sinus congestion and pressure.

What is the recommended dosage for adults and children over 12?

Adults and children 12 years and older should take 2 tablets every 4 to 6 hours, not exceeding 12 tablets in 24 hours.

What should children under 12 do?

Children under 12 years should ask a doctor before use.

Are there any contraindications for this medication?

Do not use if you are taking a prescription monoamine oxidase inhibitor (MAOI) or for 2 weeks after stopping an MAOI, as this may lead to serious interactions.

What should I do if I experience side effects?

Stop use and ask a doctor if you get nervous, dizzy, or sleepless, or if symptoms do not improve within 7 days or are accompanied by fever.

What precautions should I take before using this medication?

Ask a doctor before use if you have heart disease, high blood pressure, thyroid disease, diabetes, or trouble urinating due to an enlarged prostate gland.

Is it safe to use during pregnancy or breastfeeding?

If pregnant or breastfeeding, ask a health professional before use.

How should I store Green Guard Allergy 2 Relief?

Store at room temperature between 59º-86º F (15º-30º C) and keep out of reach of children.

Packaging Info

Below are the non-prescription pack sizes of Green Guard Allergy 2 Relief (phenylephrine hydrochloride). Columns show Packaging, Formulation Type, and Active Ingredient Strength.

Packaging configurations for Green Guard Allergy 2 Relief.
Details

Drug Information (PDF)

This file contains official product information for Green Guard Allergy 2 Relief, 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 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. Additionally, it provides temporary relief from sinus congestion and pressure.

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

Dosage and Administration

Adults and children aged 12 years and older are instructed to take 2 tablets every 4 to 6 hours as needed. The total dosage should not exceed 12 tablets within a 24-hour period. For children under 12 years of age, it is recommended to consult a physician for appropriate dosing guidance.

Contraindications

Use of this product is contraindicated in patients currently taking a prescription monoamine oxidase inhibitor (MAOI), which includes certain medications for depression, psychiatric or emotional conditions, or Parkinson's disease. Additionally, use is contraindicated for a period of 2 weeks following the discontinuation of an MAOI. Patients should consult a healthcare professional if uncertain whether their prescription medication contains an MAOI.

Exceeding the recommended dosage while using this product is also contraindicated.

Warnings and Precautions

It is imperative to keep this product out of reach of children. In the event of an overdose, immediate medical assistance should be sought, or contact a Poison Control Center without delay.

This product is contraindicated for individuals currently taking a prescription monoamine oxidase inhibitor (MAOI), which includes certain medications prescribed for depression, psychiatric or emotional conditions, or Parkinson's disease. Additionally, it should not be used for at least two weeks following the cessation of an MAOI. If there is uncertainty regarding the presence of an MAOI in a prescription medication, consultation with a healthcare professional, such as a doctor or pharmacist, is strongly advised.

Users should discontinue use and consult a healthcare provider if they experience symptoms such as nervousness, dizziness, or insomnia. Furthermore, if symptoms do not improve within seven days or are accompanied by fever, medical advice should be sought.

Prior to using this product, individuals with the following conditions should consult a healthcare professional: heart disease, high blood pressure, thyroid disease, diabetes, or difficulty urinating due to an enlarged prostate gland.

Side Effects

Patients should be advised to stop use and consult a doctor if they experience symptoms such as nervousness, dizziness, or sleeplessness. Additionally, if symptoms do not improve within 7 days or are accompanied by fever, medical advice should be sought.

It is important for patients to ask a doctor before using this product if they have any of the following conditions: heart disease, high blood pressure, thyroid disease, diabetes, or trouble urinating due to an enlarged prostate gland. These considerations are crucial to ensure the safe use of the medication and to mitigate potential adverse reactions.

Drug Interactions

The concomitant use of this medication with prescription monoamine oxidase inhibitors (MAOIs) is contraindicated. Patients should not take this medication while on MAOIs or for a period of two weeks following the discontinuation of an MAOI. The combination may result in serious interactions that could pose significant health risks. It is essential to monitor for any adverse effects in patients transitioning from MAOIs to this medication, ensuring a safe and effective treatment regimen.

Packaging & NDC

Below are the non-prescription pack sizes of Green Guard Allergy 2 Relief (phenylephrine hydrochloride). Columns show Packaging, Formulation Type, and Active Ingredient Strength.

Packaging configurations for Green Guard Allergy 2 Relief.
Details

Pediatric Use

Pediatric patients under 12 years of age should consult a healthcare professional before use. It is important to assess the appropriateness of treatment and dosage for this age group, as specific recommendations may vary based on individual health needs and conditions.

Geriatric Use

Elderly patients may not have specific information regarding the use of this medication, including dosage adjustments, safety concerns, or special precautions. Therefore, healthcare providers should exercise caution when prescribing this medication to geriatric patients. It is advisable to monitor these patients closely for any potential adverse effects or changes in efficacy, given the lack of targeted data for this population.

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 the safety of both the mother and the developing fetus.

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 require dosage adjustments to ensure safety and efficacy. It is essential to monitor renal function tests in these individuals to assess their kidney status. Additionally, a reduced dose should be considered for patients with decreased creatinine clearance to mitigate the risk of adverse effects associated with impaired renal function.

Hepatic Impairment

Patients with hepatic impairment have not been specifically studied in relation to the use of 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 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, altered mental status, or any unusual physiological responses.

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. Healthcare professionals should also consider contacting a poison control center for additional guidance on the management of overdose cases.

In summary, while specific overdosage information is not available, healthcare professionals should exercise caution, monitor for symptoms, and provide appropriate supportive care in the event of an overdose.

Nonclinical Toxicology

If pregnant or breastfeeding, it is advised to consult a health professional prior to use. No specific non-teratogenic effects have been identified in the available data. Additionally, there are no detailed findings regarding nonclinical toxicology or animal pharmacology and toxicology provided in the current information.

Postmarketing Experience

Postmarketing experience has identified the following adverse reactions reported voluntarily or through surveillance programs: nervousness, dizziness, and sleeplessness. These events have been documented in the context of ongoing safety monitoring.

Patient Counseling

Healthcare providers should advise patients to keep this medication out of reach of children. In the event of an overdose, patients should seek medical help or contact a Poison Control Center immediately.

Patients should be informed that this medication should not be used if they are currently taking a prescription monoamine oxidase inhibitor (MAOI) or within 2 weeks of stopping an MAOI. If patients are uncertain whether their prescription medication contains an MAOI, they should consult with their doctor or pharmacist prior to using this product.

Healthcare providers should instruct patients to discontinue use and consult a doctor if they experience symptoms such as nervousness, dizziness, or sleeplessness. Additionally, patients should be advised to stop using the medication and seek medical advice if their symptoms do not improve within 7 days or if they are accompanied by fever.

It is important to emphasize to patients the necessity of adhering to the recommended dosage and not exceeding it while using this product.

Patients should also be encouraged to consult their doctor before using this medication if they have any of the following conditions: heart disease, high blood pressure, thyroid disease, diabetes, or difficulty urinating due to an enlarged prostate gland.

Storage and Handling

The product is supplied in tamper-evident sealed packets to ensure integrity and safety. It is essential to store the packets at room temperature, specifically within the range of 59º to 86º F (15º to 30º C). Healthcare professionals are advised to refrain from using any packets that are opened or torn, as this may compromise the product's quality and efficacy.

Additional Clinical Information

No further data are available.

Drug Information (PDF)

This file contains official product information for Green Guard Allergy 2 Relief, 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 Green Guard Allergy 2 Relief, 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

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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.