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Generic Name: Magnesium Carbonate (mag NEE zee um KAR bo nate)
Brand Name: Magonate
Easy-to-read patient leaflet for Magonate (Magnesium Carbonate). Includes indications, proper use, special instructions, precautions, and possible side effects.
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Drug Information:
This is not a list of all drugs or health problems that interact with Magonate (magnesium carbonate). Tell your doctor and pharmacist about all of your drugs (prescription or OTC, natural products, vitamins) and health problems. You must check to make sure that it is safe for you to take Magonate (magnesium carbonate) with all of your drugs and health problems. Do not start, stop, or change the dose of any drug without checking with your doctor. Use Magonate (magnesium carbonate) as ordered by your doctor. Read all information given to you. Follow all instructions closely. Learn more

Magonate Side Effects

Magonate Side Effects

Note: This document contains side effect information about magnesium carbonate. Some of the dosage forms listed on this page may not apply to the brand name Magonate.

For the Consumer

Applies to magnesium carbonate: oral liquid

What are some side effects that I need to call my doctor about right away?

WARNING/CAUTION: Even though it may be rare, some people may have very bad and sometimes deadly side effects when taking a drug. Tell your doctor or get medical help right away if you have any of the following signs or symptoms that may be related to a very bad side effect:

  • Signs of an allergic reaction, like rash; hives; itching; red, swollen, blistered, or peeling skin with or without fever; wheezing; tightness in the chest or throat; trouble breathing, swallowing, or talking; unusual hoarseness; or swelling of the mouth, face, lips, tongue, or throat.
  • Severe diarrhea.

What are some other side effects of this drug?

All drugs may cause side effects. However, many people have no side effects or only have minor side effects. Call your doctor or get medical help if any of these side effects or any other side effects bother you or do not go away:

  • Diarrhea.

These are not all of the side effects that may occur. If you have questions about side effects, call your doctor. Call your doctor for medical advice about side effects.

You may report side effects to the FDA at 1-800-FDA-1088. You may also report side effects at http://www.fda.gov/medwatch.

For Healthcare Professionals

Applies to magnesium carbonate: compounding powder, oral capsule, oral liquid, oral suspension


Symptoms of magnesium toxicity include hypotension, nausea, vomiting, facial flushing, urinary retention, ileus, depression, and lethargy, which may progress to muscle weakness, dyspnea, extreme hypotension, arrhythmia, and cardiac arrest.


Frequency not reported: Hypotension, extreme hypotension, arrhythmia, cardiac arrest


Frequency not reported: Vomiting, nausea, ileus, abdominal cramping


Frequency not reported: Muscle weakness


Frequency not reported: Depression


Frequency not reported: Dyspnea


Frequency not reported: Lethargy


Frequency not reported: Facial flushing


Frequency not reported: Urinary retention

Editorial References and Review

Medically reviewed by BestRx Medical Team Last updated on 1/1/2020.

Source: Drugs.com Magonate