Generic Name: calcium carbonate and magnesium chloride (KAL see um KAR boe nate and mag NEE see um KLOR ide)
Brand Name: Mag64, MagDelay, Slow-Mag
What is Slow-Mag (calcium carbonate and magnesium chloride)?
Calcium and magnesium are naturally occurring minerals that are necessary for many systems in the body.
Calcium is needed for bone formation and maintenance. Magnesium helps maintain muscle function and normal heart rhythm.
Calcium carbonate and magnesium chloride is a combination medicine used as a supplement. This medicine is given when your diet does not provide enough of these minerals, or when they are lost through perspiration.
Calcium carbonate and magnesium chloride may also be used for purposes not listed in this medication guide.
What is the most important information I should know about Slow-Mag (calcium carbonate and magnesium chloride)?
Follow all directions on your medicine label and package. Tell each of your healthcare providers about all your medical conditions, allergies, and all medicines you use.
What should I discuss with my healthcare provider before taking Slow-Mag (calcium carbonate and magnesium chloride)?
You should not use this medicine if you have ever had an allergic reaction to an antacid or vitamin/mineral supplement that contains calcium carbonate or magnesium chloride.
Ask a doctor or pharmacist if it is safe for you to use this medicine if you have other medical conditions, especially:
history of kidney stones;
heart disease; or
a blockage in your intestines.
It is not known whether calcium carbonate and magnesium chloride will harm an unborn baby. Do not use this medicine without a doctor's advice if you are pregnant.
It is not known whether calcium carbonate and magnesium chloride passes into breast milk or if it could harm a nursing baby. Do not use this medicine without a doctor's advice if you are breast-feeding a baby.
Your dose needs may be different during pregnancy or while you are nursing.
How should I take Slow-Mag (calcium carbonate and magnesium chloride)?
Use exactly as directed on the label, or as prescribed by your doctor. Do not use in larger or smaller amounts or for longer than recommended.
Do not crush, chew, or break a delayed-release or an enteric coated tablet. Swallow it whole. The enteric coated pill has a special coating to protect your stomach. Breaking the pill will damage this coating.
Store at room temperature away from moisture and heat.
What happens if I miss a dose?
Since calcium carbonate and magnesium chloride is used when needed, you may not be on a dosing schedule. If you are on a schedule, use the missed dose as soon as you remember. Skip the missed dose if it is almost time for your next scheduled dose. Do not use extra medicine to make up the missed dose.
What happens if I overdose?
Seek emergency medical attention or call the Poison Help line at 1-800-222-1222.
What should I avoid while taking Slow-Mag (calcium carbonate and magnesium chloride)?
Avoid taking other medicines at the same time you take calcium carbonate and magnesium chloride. Calcium carbonate can make it harder for your body to absorb certain drugs, making them less effective. Take your other medicines at least 2 hours before or 2 hours after you take calcium carbonate and magnesium chloride.
Slow-Mag (calcium carbonate and magnesium chloride) side effects
Get emergency medical help if you have signs of an allergic reaction: hives; difficult breathing; swelling of your face, lips, tongue, or throat.
Stop using calcium carbonate and magnesium chloride and call your doctor at once if you have:
nausea, vomiting, stomach pain, loss of appetite, increased thirst or urination;
muscle pain or weakness, joint pain;
confusion, feeling tired or restless; or
slow heart rate, drowsiness, feeling light-headed.
Common side effects may include:
This is not a complete list of side effects and others may occur. Call your doctor for medical advice about side effects. You may report side effects to FDA at 1-800-FDA-1088.
See also: Side effects (in more detail)
What other drugs will affect Slow-Mag (calcium carbonate and magnesium chloride)?
Tell your doctor about all your current medicines and any you start or stop using, especially:
heart or blood pressure medicine; or
medicine to treat osteoporosis or Paget's disease of bone--Actonel, Boniva, Fosamax, Reclast, Zometa, and others.
This list is not complete. Other drugs may interact with calcium carbonate and magnesium chloride, including prescription and over-the-counter medicines, vitamins, and herbal products. Not all possible interactions are listed in this medication guide.
Where can I get more information?
- Your pharmacist can provide more information about calcium carbonate and magnesium chloride.
- Remember, keep this and all other medicines out of the reach of children, never share your medicines with others, and use this medication only for the indication prescribed.
- Disclaimer: Every effort has been made to ensure that the information provided by Cerner Multum, Inc. ('Multum') is accurate, up-to-date, and complete, but no guarantee is made to that effect. Drug information contained herein may be time sensitive. Multum information has been compiled for use by healthcare practitioners and consumers in the United States and therefore Multum does not warrant that uses outside of the United States are appropriate, unless specifically indicated otherwise. Multum's drug information does not endorse drugs, diagnose patients or recommend therapy. Multum's drug information is an informational resource designed to assist licensed healthcare practitioners in caring for their patients and/or to serve consumers viewing this service as a supplement to, and not a substitute for, the expertise, skill, knowledge and judgment of healthcare practitioners. The absence of a warning for a given drug or drug combination in no way should be construed to indicate that the drug or drug combination is safe, effective or appropriate for any given patient. Multum does not assume any responsibility for any aspect of healthcare administered with the aid of information Multum provides. The information contained herein is not intended to cover all possible uses, directions, precautions, warnings, drug interactions, allergic reactions, or adverse effects. If you have questions about the drugs you are taking, check with your doctor, nurse or pharmacist.
Copyright 1996-2012 Cerner Multum, Inc. Version: 2.01.
Date modified: October 14, 2016
Last reviewed: August 10, 2016