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Antacid

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Active ingredients
  • Dimethicone 40 mg/10 mL
  • Aluminum Hydroxide 400 mg/10 mL
  • Magnesium Hydroxide 400 mg/10 mL
Other brand names
Drug classes
Calculi Dissolution Agent, Osmotic Laxative
Dosage form
Liquid
Route
Oral
Prescription status
OTC (over the counter)
Pregnancy
See Pregnancy Use Section
Lactation
See Lactation Use Section
Marketed in the U.S.
Since 2021
Label revision date
November 24, 2025
Drug Information (PDF)
Prescribing information, PDF file
Active ingredients
  • Dimethicone 40 mg/10 mL
  • Aluminum Hydroxide 400 mg/10 mL
  • Magnesium Hydroxide 400 mg/10 mL
Other brand names
Drug classes
Calculi Dissolution Agent, Osmotic Laxative
Dosage form
Liquid
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 2021
Label revision date
November 24, 2025
Manufacturer
Rugby Laboratories
Registration number
part332
NDC root
0536-1293
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

Rugby is a regular strength antacid liquid designed to help relieve discomfort from various digestive issues. It contains a combination of aluminum hydroxide and magnesium hydroxide, which work together to neutralize stomach acid, and simethicone, which helps reduce gas. This medication is effective for alleviating symptoms such as acid indigestion, heartburn, sour stomach, and the pressure and bloating associated with upset stomach and gas.

With a small alcohol content of 0.2% v/v, Rugby provides a soothing option for those experiencing digestive discomfort. If you're looking for relief from these common symptoms, Rugby may be a suitable choice to consider.

Uses

If you're experiencing discomfort from acid indigestion, heartburn, or a sour stomach, this medication can help relieve those symptoms. It’s also effective for upset stomach and gas that often accompany these issues, as well as the pressure and bloating that can make you feel uncomfortable.

You can trust that this medication does not have any teratogenic effects, meaning it does not cause developmental problems in a fetus. This makes it a safer option for those who may be pregnant or planning to become pregnant.

Dosage and Administration

Before using this medication, make sure to shake the bottle well. For adults and children aged 12 years and older, the recommended dose is between 10 milliliters (mL) and 20 mL, taken four times a day. However, it's important to follow your doctor's specific instructions if they provide different guidance.

If you have a child under 12 years old, please consult a doctor before administering this medication to ensure it’s safe and appropriate for their age and condition. Always remember to measure the dose accurately to ensure effective treatment.

What to Avoid

It's important to be aware of certain guidelines when using this medication. If your symptoms persist for more than two weeks, you should stop using the product and consult your doctor. This is crucial to ensure your health and safety.

Currently, there are no specific contraindications, controlled substance classifications, or concerns regarding abuse, misuse, or dependence associated with this medication. However, always prioritize your well-being by following the recommended usage instructions.

Side Effects

It's important to be aware of potential side effects when using this product. You should not exceed 80 mL in a 24-hour period or use the maximum dosage for more than two weeks without consulting your doctor. If your symptoms persist for more than two weeks, stop using the product and seek medical advice.

Before using this product, talk to your doctor if you have kidney disease or are on a magnesium-restricted diet, as these conditions may affect your safety. Additionally, if you are currently taking any prescription medications, consult with your doctor or pharmacist, as antacids can interact with certain drugs.

Warnings and Precautions

It's important to use this product safely. Do not exceed 80 mL in a 24-hour period, and avoid using the maximum dosage for more than two weeks unless your doctor advises you to do so. If your symptoms persist for more than two weeks, stop using the product and consult your doctor.

Before using this product, please check with your doctor if you have kidney disease or are on a magnesium-restricted diet. Additionally, if you are currently taking any prescription medications, it's wise to talk to your doctor or pharmacist, as antacids can interact with certain drugs. If you experience any severe reactions or have concerns, seek emergency medical help right away.

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 that you or someone else may have taken too much of a medication, it’s crucial to seek immediate medical help.

In case of an overdose, you should contact your local emergency services or go to the nearest hospital right away. Always keep the medication packaging on hand, as it can provide important information to healthcare professionals. Remember, it's better to be safe and get checked out if you have any concerns about an overdose.

Pregnancy Use

While the information provided does not specify any particular safety concerns or dosage modifications for pregnant individuals, it is always important to consult with your healthcare provider before taking any medication during pregnancy. They can offer personalized advice based on your health and circumstances.

Since there are no special precautions mentioned regarding use during pregnancy, maintaining open communication with your doctor about any medications you are considering is essential. This ensures that you receive the best care for both you and your baby.

Lactation Use

If you are breastfeeding, you can feel reassured that there are no specific warnings or recommendations regarding the use of this product while nursing. Additionally, there is no information available about whether this product is excreted in breast milk or any potential risks to your infant. Always consult with your healthcare provider if you have any concerns or questions about medications while breastfeeding.

Pediatric Use

If you have a child under 12 years old, it's important to consult a doctor before using this medication. For adults and children aged 12 years and older, the recommended dosage is between 10 mL to 20 mL taken four times a day, or as directed by a healthcare professional.

Always remember to keep this medication out of reach of children to 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 is safe and effective for your specific condition. They can help you understand how your kidney health may affect your medication and what steps to take for your safety.

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 may affect you if you have hepatic impairment (liver issues).

Always consult your healthcare provider for personalized advice and to discuss any concerns regarding your liver health and how it may relate to your treatment. They can help ensure that you receive the safest and most effective care.

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 recent lab tests to avoid any potential issues. Your health and safety should always come first.

Storage and Handling

To ensure the best performance of your product, store it at a controlled room temperature between 20ºC and 25ºC (68ºF to 77ºF). It's important to keep it away from freezing temperatures, as freezing can damage the product.

When handling the product, make sure to do so in a clean environment to maintain its integrity. Always follow any additional safety instructions provided with the product to ensure safe and effective use.

Additional Information

You will take this medication orally. There are no additional details available regarding laboratory tests, abuse potential, patient counseling, or postmarketing experiences. If you have any questions or concerns about your treatment, be sure to discuss them with your healthcare provider.

FAQ

What is Rugby?

Rugby is a regular strength antacid liquid that contains aluminum hydroxide, magnesium hydroxide, and simethicone.

What symptoms does Rugby relieve?

Rugby relieves acid indigestion, heartburn, sour stomach, upset stomach, gas, pressure, and bloating.

What is the recommended dosage for adults and children 12 years and older?

Adults and children 12 years and older should take 10 mL to 20 mL four times a day, or as directed by a doctor.

What should I do if my symptoms last more than two weeks?

You should stop using Rugby and ask a doctor if your symptoms last more than two weeks.

Are there any warnings associated with Rugby?

Do not take more than 80 mL in a 24-hour period or use the maximum dosage for more than 2 weeks without a doctor's advice.

Can I use Rugby if I have kidney disease?

You should ask a doctor before using Rugby if you have kidney disease or are on a magnesium-restricted diet.

Is Rugby safe to use during pregnancy?

The provided information does not specify any safety concerns regarding the use of Rugby during pregnancy.

What should I do if I am taking prescription drugs?

You should consult a doctor or pharmacist before using Rugby, as antacids may interact with certain prescription drugs.

How should Rugby be stored?

Store Rugby at controlled room temperature between 20ºC-25ºC (68º-77ºF) and do not freeze.

What is the alcohol content in Rugby?

Rugby contains 0.2% v/v alcohol.

Packaging Info

Below are the non-prescription pack sizes of Antacid (aluminum hydroxide, magnesium hydroxide, simethicone). Columns show Packaging, Formulation Type, and Active Ingredient Strength.

Packaging configurations for Antacid.
Details

Drug Information (PDF)

This file contains official product information for Antacid, 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 relief of symptoms associated with acid indigestion, heartburn, sour stomach, and upset stomach, including gas, pressure, and bloating.

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

Dosage and Administration

Healthcare professionals are advised to instruct patients to shake the product well before use.

For adults and children aged 12 years and older, the recommended dosage is 10 mL to 20 mL administered four times a day, or as directed by a physician.

For children under 12 years of age, it is essential to consult a doctor for appropriate dosing recommendations.

Contraindications

There are no specific contraindications identified for this product. However, it is advised to discontinue use and consult a healthcare professional if symptoms persist for more than two weeks.

Warnings and Precautions

Patients should not exceed a maximum dosage of 80 mL within a 24-hour period or use this product for more than two weeks without the guidance and supervision of a healthcare professional. Adherence to this dosage recommendation is critical to avoid potential adverse effects.

If symptoms persist beyond two weeks, it is imperative to discontinue use and consult a healthcare provider for further evaluation and management.

Prior to initiating treatment, individuals should seek medical advice if they have a history of kidney disease or are on a magnesium-restricted diet, as these conditions may influence the safety and efficacy of the product. Additionally, patients currently taking prescription medications should consult with a healthcare professional or pharmacist before use, as antacids may interact with certain prescription drugs, potentially altering their effectiveness or increasing the risk of side effects.

No specific laboratory tests are recommended for monitoring during the use of this product; however, ongoing assessment of the patient's condition and medication interactions is advised.

Side Effects

Patients should be aware of the potential adverse reactions associated with the use of this product. Serious adverse reactions may occur if the maximum dosage of 80 mL is exceeded within a 24-hour period or if the product is used for more than two weeks without the advice and supervision of a healthcare professional.

Participants are advised to discontinue use and consult a doctor if symptoms persist for more than two weeks. Additionally, individuals with kidney disease or those on a magnesium-restricted diet should seek medical advice before using this product.

It is also important for patients to inform their healthcare provider or pharmacist if they are currently taking any prescription medications, as antacids may interact with certain drugs.

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 Antacid (aluminum hydroxide, magnesium hydroxide, simethicone). Columns show Packaging, Formulation Type, and Active Ingredient Strength.

Packaging configurations for Antacid.
Details

Pediatric Use

Pediatric patients under 12 years of age should consult a healthcare professional before use. For adolescents and adults aged 12 years and older, the recommended dosage is 10 mL to 20 mL taken four times a day, or as directed by a physician. It is important to keep this medication out of reach of children to ensure safety.

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 adverse effects or changes in therapeutic response, given the lack of targeted data for this population.

Pregnancy

The available data regarding the use of this medication during pregnancy do not indicate specific safety concerns. There are no dosage modifications recommended for pregnant individuals, nor are there any special precautions outlined for use during pregnancy. Healthcare professionals should consider the absence of detailed risk data when prescribing this medication to pregnant patients and weigh the potential benefits against any unknown risks. As always, it is advisable to monitor fetal outcomes and provide appropriate counseling to women of childbearing potential regarding the use of this medication during pregnancy.

Lactation

There are no specific warnings or recommendations regarding the use of this product in nursing mothers. Additionally, there is no information available about the potential for excretion in breast milk or any associated risks to breastfed infants during lactation.

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 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, altered mental status, cardiovascular instability, or gastrointestinal disturbances.

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. It is recommended that healthcare professionals consult local poison control centers or toxicology experts for further guidance on the management of overdose cases.

In summary, while specific overdosage information is not available, healthcare professionals should exercise caution, remain alert to potential overdose symptoms, and implement appropriate management strategies as needed.

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 compound in these areas.

Postmarketing Experience

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

Patient Counseling

Healthcare providers should advise patients to keep the medication out of reach of children to prevent accidental ingestion. Patients should be instructed to stop using the medication and consult their doctor if symptoms persist for more than two weeks, as this may indicate a need for further evaluation.

It is important for patients to seek medical advice before using the medication if they have kidney disease or are on a magnesium-restricted diet, as these conditions may affect the safety and efficacy of the treatment. Additionally, patients should be encouraged to discuss their current medications with their healthcare provider or pharmacist, particularly if they are taking prescription drugs, as antacids may interact with certain medications. This precaution helps ensure safe and effective use of the product.

Storage and Handling

The product is supplied in various package configurations, with specific NDC numbers available upon request. It should be stored at a controlled room temperature of 20ºC to 25ºC (68ºF to 77ºF). Freezing is not permitted, as it may compromise the integrity of the product. Proper handling and storage conditions are essential to maintain the product's efficacy and safety.

Additional Clinical Information

The medication is administered orally. There are no additional details available regarding laboratory tests, abuse information, patient counseling, or postmarketing experience.

Drug Information (PDF)

This file contains official product information for 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 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.

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.