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Acid Reducer Plus Antacid

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Active ingredients
  • Famotidine 10 mg
  • Calcium Carbonate 800 mg
  • Magnesium Hydroxide 165 mg
Other brand names
Drug classes
Calculi Dissolution Agent, Histamine-2 Receptor Antagonist, Osmotic Laxative
Dosage form
Tablet, Chewable
Route
Oral
Prescription status
OTC (over the counter)
Marketed in the U.S.
Since 2016
Label revision date
August 11, 2025
Active ingredients
  • Famotidine 10 mg
  • Calcium Carbonate 800 mg
  • Magnesium Hydroxide 165 mg
Other brand names
Drug classes
Calculi Dissolution Agent, Histamine-2 Receptor Antagonist, Osmotic Laxative
Dosage form
Tablet, Chewable
Route
Oral
Prescription status
OTC (over the counter)
CSA schedule
Not a scheduled drug
Marketed in the U.S.
Since 2016
Label revision date
August 11, 2025
Manufacturer
CVS Pharmacy
Registration number
ANDA077355
NDC root
59779-738

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Drug Overview

FAMOTIDINE 10mg/CALCIUM CARBONATE 800 mg/MAGNESIUM HYDROXIDE 165 mg tablets are chewable medications designed to help relieve heartburn associated with acid indigestion and sour stomach. This combination works as an acid reducer and antacid, providing quick relief from discomfort caused by excess stomach acid.

These tablets come in a pleasant berry flavor and are formulated to be taken easily, with just one tablet needed to alleviate heartburn symptoms. They contain ingredients similar to those found in Pepcid Complete, making them a convenient option for managing occasional digestive issues.

Uses

If you're experiencing heartburn, this medication can help relieve the discomfort associated with acid indigestion and sour stomach. It works effectively to ease the burning sensation that often comes with these digestive issues. Whether your heartburn is due to acid indigestion or other related causes, this treatment is designed to provide you with quick relief.

Dosage and Administration

When you need relief from symptoms, you can take this medication if you are an adult or a child aged 12 years and older. It's important to chew the tablet completely before swallowing it—do not swallow it whole. For effective relief, chew one tablet before swallowing. Remember, you should not take more than two chewable tablets in a 24-hour period.

If you are considering this medication for a child under 12 years old, it's best to consult a doctor first to ensure it's safe and appropriate for them.

What to Avoid

You should avoid using this medication if you have difficulty swallowing food, are experiencing vomiting with blood, or have bloody or black stools, as these symptoms may indicate a serious health issue. It's important to consult your doctor if you encounter any of these signs. Additionally, do not use this medication in combination with other acid reducers, as this can lead to complications. Always prioritize your health and safety by following these guidelines.

Side Effects

You should be aware of some important side effects and warnings associated with this medication. If you are allergic to famotidine or other acid reducers, do not use this product. Additionally, avoid using it if you have difficulty swallowing, are vomiting blood, or have bloody or black stools, as these could indicate a serious health issue that requires medical attention.

Before using this medication, consult your doctor if you have had heartburn for more than three months, experience heartburn with symptoms like lightheadedness or chest pain, or have unexplained weight loss, nausea, or stomach pain. If your heartburn persists or worsens, or if you find you need to use this product for more than 14 days, stop using it and seek medical advice.

Warnings and Precautions

You should not use this medication if you are allergic to famotidine or other acid reducers. Additionally, avoid using it if you have difficulty swallowing, are vomiting blood, or have bloody or black stools, as these could indicate a serious health issue. It's also important not to combine this medication with other acid reducers.

Before using this product, consult your doctor if you have experienced heartburn for more than three months, have heartburn accompanied by lightheadedness, sweating, or dizziness, or if you have chest pain, frequent wheezing, unexplained weight loss, nausea, vomiting, stomach pain, or kidney disease. If your heartburn persists or worsens, or if you need to use this medication for more than 14 days, stop using it and contact your doctor.

In case of an overdose, seek emergency medical help immediately or contact a Poison Control Center at 1-800-222-1222.

Overdose

If you suspect an overdose, it’s crucial to seek medical help immediately. You can contact a Poison Control Center at 1-800-222-1222 for guidance. Signs of an overdose can vary, but they may include unusual drowsiness, confusion, or difficulty breathing.

Always err on the side of caution—if you notice any concerning symptoms or if you’re unsure, don’t hesitate to get help right away. Your health and safety are the top priority.

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

When it comes to using this medication for children, it's important to follow specific guidelines. For adults and children aged 12 years and older, you should chew the tablet completely before swallowing it to help relieve symptoms. Remember, you should not take more than two chewable tablets in a 24-hour period.

If your child is under 12 years old, it's best to consult with a doctor before giving them this medication. This ensures that you get the right advice tailored to your child's needs. Always prioritize their safety and well-being by seeking professional guidance.

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 disease, it's important to consult your doctor before using this medication. Your healthcare provider can help determine if it's safe for you and if any adjustments to your dosage are necessary. Always prioritize open communication with your doctor regarding your kidney health to ensure the best care.

Hepatic Impairment

If you have liver problems, it's important to know that the drug insert does not provide specific information about dosage adjustments, special monitoring, or precautions for your condition. This means that there are no tailored guidelines for how this medication should be used if you have hepatic impairment (issues with liver function).

Before starting any new medication, including this one, you should discuss your liver health with your healthcare provider. They can help determine the best approach for your treatment and ensure your safety.

Drug Interactions

It's important to be aware that some over-the-counter medications, like antacids and acid reducers, can interact with certain prescription drugs you may be taking. These interactions can affect how well your medications work or increase the risk of side effects.

To ensure your safety and the effectiveness of your treatment, always discuss any medications, including over-the-counter products, with your healthcare provider. They can help you understand potential interactions and make any necessary adjustments to your treatment plan.

Storage and Handling

To ensure the best performance of your product, store it in a cool, dry place at a temperature between 20-25°C (68-77°F). It's important to keep it protected from moisture, as this can affect its effectiveness and safety.

When handling the product, always do so with clean hands and in a clean environment to maintain its integrity. Following these guidelines will help you use the product safely and effectively.

Additional Information

You should take this medication orally. If you are an adult or a child aged 12 years and older, remember to chew the tablet completely before swallowing it; do not swallow it whole. You should not take more than 2 chewable tablets in a 24-hour period. If the user is under 12 years old, consult a doctor for guidance.

If you are pregnant or breastfeeding, it's important to talk to a healthcare professional before using this medication. Always read the directions and warnings carefully before use, and keep the medication out of reach of children. In case of an overdose, seek medical help immediately or contact a Poison Control Center at 1-800-222-1222.

FAQ

What is FAMOTIDINE 10mg/CALCIUM CARBONATE 800 mg/MAGNESIUM HYDROXIDE 165 mg?

It is an acid reducer plus antacid that relieves heartburn associated with acid indigestion and sour stomach.

How should I take this medication?

Adults and children 12 years and over should chew 1 tablet completely before swallowing and not use more than 2 chewable tablets in 24 hours. Children under 12 years should ask a doctor.

What are the contraindications for this medication?

Do not use if you have trouble or pain swallowing food, vomiting with blood, or bloody or black stools, as these may indicate a serious condition. Also, do not use with other acid reducers.

What should I do if my heartburn continues or worsens?

You should stop using the medication and ask a doctor if your heartburn continues or worsens, or if you need to take this product for more than 14 days.

Are there any allergy alerts for this medication?

Yes, do not use if you are allergic to famotidine or other acid reducers.

What should I do in case of overdose?

In case of overdose, get medical help or contact a Poison Control Center right away at 1-800-222-1222.

Can I use this medication if I am pregnant or breastfeeding?

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

What flavor does this medication have?

The tablets have a berry flavor.

How should I store this medication?

Store at 20-25°C (68-77°F) and protect from moisture.

Packaging Info

Below are the non-prescription pack sizes of Acid Reducer Plus Antacid (famotidine, calcium carbonate and magnesium hydroxide). Columns show Packaging, Formulation Type, and Active Ingredient Strength.

Packaging configurations for Acid Reducer Plus Antacid.
Details

Drug Information (PDF)

This file contains official product information for Acid Reducer Plus Antacid, including active ingredients, dosage, warnings, and labeling as submitted by the manufacturer for OTC distribution.

View product document (PDF)

Description

FAMOTIDINE 10 mg, CALCIUM CARBONATE 800 mg, and MAGNESIUM HYDROXIDE 165 mg are combined in a chewable tablet formulation designed for the reduction of gastric acid and to provide antacid effects. Each tablet is flavored with berry to enhance palatability. The product is supplied in a container containing 50 chewable tablets, facilitating convenient dosing.

Uses and Indications

This drug is indicated for the relief of heartburn associated with acid indigestion and sour stomach. It effectively alleviates heartburn resulting from acid indigestion.

Dosage and Administration

Adults and children aged 12 years and older are instructed to chew 1 tablet completely before swallowing to relieve symptoms. It is essential that the tablet is not swallowed whole. The maximum recommended dosage is 2 chewable tablets within a 24-hour period.

For children under 12 years of age, it is advised to consult a physician before use.

Contraindications

Use is contraindicated in patients who experience difficulty or pain when swallowing food, vomiting with blood, or the presence of bloody or black stools, as these may indicate a serious underlying condition requiring medical evaluation. Additionally, concurrent use with other acid-reducing medications is contraindicated.

Warnings and Precautions

Patients should be advised of the following warnings and precautions prior to the use of this medication.

Allergy Alert This medication should not be used by individuals who are allergic to famotidine or other acid reducers.

Contraindications The medication is contraindicated in patients experiencing difficulty or pain when swallowing food, vomiting with blood, or the presence of bloody or black stools, as these symptoms may indicate a serious underlying condition. Such patients should seek medical attention promptly. Additionally, this medication should not be used concurrently with other acid reducers.

Pre-Use Consultation Healthcare professionals should recommend that patients consult a physician before using this medication if they have experienced heartburn for more than three months, as this may suggest a more serious condition. Patients should also seek medical advice if they experience heartburn accompanied by lightheadedness, sweating, or dizziness; chest pain or shoulder pain with shortness of breath, sweating, or pain radiating to the arms, neck, or shoulders; frequent chest pain; frequent wheezing, particularly in conjunction with heartburn; unexplained weight loss; nausea or vomiting; stomach pain; or have a history of kidney disease.

Discontinuation of Use Patients should be instructed to discontinue use and consult a healthcare provider if their heartburn persists or worsens, or if they find it necessary to use this product for more than 14 days.

Emergency Medical Assistance In the event of an overdose, patients should seek emergency medical assistance or contact a Poison Control Center immediately at 1-800-222-1222.

Side Effects

Patients should be aware of the potential adverse reactions associated with the use of this medication. Serious adverse reactions may occur, and patients are advised not to use the medication if they experience difficulty or pain when swallowing food, vomiting with blood, or the presence of bloody or black stools, as these symptoms may indicate a serious underlying condition that requires immediate medical attention.

Patients with a history of heartburn lasting more than three months, or those experiencing heartburn accompanied by lightheadedness, sweating, or dizziness, should consult a healthcare professional prior to use. Additionally, individuals presenting with chest pain or shoulder pain, particularly when accompanied by shortness of breath, sweating, or pain radiating to the arms, neck, or shoulders, should seek medical advice. Frequent chest pain, wheezing (especially in conjunction with heartburn), unexplained weight loss, nausea, vomiting, stomach pain, or a history of kidney disease are also conditions that warrant consultation with a healthcare provider before using this medication.

Patients are advised to discontinue use and consult a doctor if their heartburn persists or worsens, or if they find it necessary to use the product for more than 14 days. Furthermore, individuals should not use this medication concurrently with other acid reducers, as this may increase the risk of adverse effects.

It is crucial for patients to remain vigilant regarding these potential adverse reactions and to seek medical guidance as necessary.

Drug Interactions

Antacids and acid reducers may interact with certain prescription medications, potentially affecting their absorption and efficacy. It is advisable to monitor the therapeutic effects of these medications when co-administered with antacids or acid-reducing agents.

Healthcare professionals should consider adjusting the timing of administration to minimize interaction effects. For instance, it may be beneficial to separate the dosing of antacids or acid reducers from the prescription medications to enhance their absorption and therapeutic outcomes. Regular assessment of the patient's response to therapy is recommended to ensure optimal treatment efficacy.

Packaging & NDC

Below are the non-prescription pack sizes of Acid Reducer Plus Antacid (famotidine, calcium carbonate and magnesium hydroxide). Columns show Packaging, Formulation Type, and Active Ingredient Strength.

Packaging configurations for Acid Reducer Plus Antacid.
Details

Pediatric Use

Pediatric patients aged 12 years and older are advised not to swallow the tablet whole; instead, they should chew the tablet completely before swallowing to effectively relieve symptoms. The maximum recommended dosage for this age group is 2 chewable tablets within a 24-hour period.

For children under 12 years of age, it is recommended to consult a doctor before use.

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. Monitoring for potential adverse effects and therapeutic efficacy is recommended in this population.

Pregnancy

Pregnant patients and those who are breastfeeding should consult a healthcare professional prior to using this medication. It is essential to evaluate the potential risks and benefits associated with the use of this drug during pregnancy and lactation. Healthcare providers should consider the available data and individual patient circumstances when advising on the use of this medication in these populations.

Lactation

Lactating mothers are advised to consult a health professional prior to using this medication. There is currently no available data on the excretion of this drug 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 should consult a healthcare professional prior to use, particularly if they have a history of kidney disease. It is essential to assess renal function and consider potential dosing adjustments or monitoring requirements based on the degree of impairment.

Hepatic Impairment

Patients with hepatic impairment have not been specifically studied in relation to 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 prescribing information.

Overdosage

In the event of an overdose, it is imperative to seek immediate medical assistance or contact a Poison Control Center without delay. Healthcare professionals should advise patients or caregivers to call the Poison Control Center at 1-800-222-1222 for guidance.

Prompt intervention is crucial in managing overdose situations, as timely medical help can significantly influence outcomes. Symptoms of overdose may vary depending on the substance involved and the individual’s health status. Therefore, a thorough assessment and monitoring of the patient are essential.

Management procedures may include supportive care, symptomatic treatment, and specific antidotes if applicable. Healthcare providers should remain vigilant and prepared to implement appropriate interventions based on the clinical presentation of the patient.

Nonclinical Toxicology

No information is available regarding teratogenic or non-teratogenic effects. Additionally, there is no data provided concerning nonclinical toxicology, animal pharmacology, or toxicology.

Postmarketing Experience

No specific postmarketing experience details are available in the extracted data. As such, there are no additional adverse events or rare case reports to summarize.

Patient Counseling

Healthcare providers should advise patients to seek immediate medical assistance or contact a Poison Control Center at 1-800-222-1222 in the event of an overdose. Patients should be informed not to use the product if they experience difficulty or pain while swallowing food, vomiting blood, or passing bloody or black stools, as these symptoms may indicate a serious underlying condition that requires medical evaluation.

It is important to counsel patients against using this product in conjunction with other acid reducers. Providers should instruct patients to discontinue use and consult a doctor if their heartburn persists or worsens. Additionally, patients should be advised to stop using the product and seek medical advice if they find it necessary to take it for more than 14 days.

Patients should be encouraged to consult a doctor before using the product if they have experienced heartburn for over three months, as this may signal a more serious condition. They should also be advised to seek medical attention if they experience heartburn accompanied by lightheadedness, sweating, or dizziness, or if they have chest pain or shoulder pain along with shortness of breath, sweating, or pain radiating to the arms, neck, or shoulders.

Furthermore, patients should be instructed to consult a doctor if they frequently experience chest pain, wheezing (especially in conjunction with heartburn), unexplained weight loss, nausea, vomiting, or stomach pain. Those with a history of kidney disease should also be advised to seek medical guidance before using the product.

Lastly, healthcare providers should recommend that patients consult a doctor or pharmacist prior to use if they are currently taking any prescription medications, as antacids and acid reducers may interact with certain drugs.

Storage and Handling

The product is supplied in a configuration that includes specific NDC numbers. It should be stored at a temperature range of 20-25°C (68-77°F) to maintain its integrity. Additionally, it is essential to protect the product from moisture to ensure optimal quality and effectiveness. Proper handling and storage conditions are crucial for preserving the product's stability and efficacy.

Additional Clinical Information

The medication is administered orally, with specific instructions for different age groups. Adults and children aged 12 years and older should chew one tablet completely before swallowing, and should not exceed two chewable tablets within a 24-hour period. For children under 12 years, it is advised to consult a doctor prior to use.

Clinicians should counsel patients to seek advice from a health professional if they are pregnant or breastfeeding. Patients are also encouraged to read the directions and warnings carefully before use, keep the medication out of reach of children, and to seek immediate medical assistance or contact a Poison Control Center (1-800-222-1222) in the event of an overdose.

Drug Information (PDF)

This file contains official product information for Acid Reducer Plus Antacid, 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 Acid Reducer Plus Antacid, 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.

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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.