Generic Name: magnesium lactate (mag NEE zee um LAK tate)
Brand Name: Mag-Tab SR
Medically reviewed on December 9, 2016
What is Mag-Tab SR?
Mag-Tab SR is a naturally occurring mineral that is needed in the body to support the function of the heart, nervous system, and digestive system.
Mag-Tab SR is used as a mineral supplement to treat magnesium deficiency.
Mag-Tab SR may also be used for purposes not listed in this medication guide.
Follow all directions on your medicine label and package. Ask a doctor or pharmacist if it is safe for you to take Mag-Tab SR if you have other medical conditions.
Before taking this medicine
You should not use Mag-Tab SR if you are allergic to it.
Ask a doctor or pharmacist if it is safe for you to take this medicine if you have other medical conditions, especially:
if you are allergic to animals, food dyes, or other medicines;
Ask a doctor before using this medicine if you are pregnant or breast-feeding. Your dose needs may be different during pregnancy or while you are nursing.
Your dose needs may be different during pregnancy or while you are breast-feeding.
Do not give this medicine to a child without medical advice.
How should I take Mag-Tab SR?
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.
Mag-Tab SR may be taken with food if it upsets your stomach or causes diarrhea.
Take the medicine at the same time each day.
Do not crush or chew an extended-release tablet. Swallow it whole. To make swallowing easier, you may break the tablet in half.
Mag-Tab SR may be only part of a complete program of treatment that also includes a special diet. Follow the diet plan created for you by your doctor or nutrition counselor. Get familiar with the list of foods you should eat to make sure you get enough magnesium in your diet. This may include green leafy vegetables, peas, beans, nuts, and whole grain cereals.
The recommended dietary allowance of magnesium increases with age. Follow your healthcare provider's instructions. You may also consult the Office of Dietary Supplements of the National Institutes of Health, or the U.S. Department of Agriculture (USDA) Nutrient Database (formerly "Recommended Daily Allowances") listings for more information.
Use Mag-Tab SR regularly to get the most benefit. Get your prescription refilled before you run out of medicine completely.
Do not share Mag-Tab SR with another person.
Store at room temperature away from moisture, heat, and light. Keep the bottle tightly closed when not in use.
What happens if I miss a dose?
Take the missed dose as soon as you remember. Skip the missed dose if it is almost time for your next scheduled dose. Do not take 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 Mag-Tab SR?
Avoid eating foods that are high in fat. High-fat foods can make it harder for your body to absorb Mag-Tab SR.
Do not take any other vitamin or mineral supplements that contain magnesium unless your doctor has told you to.
Mag-Tab SR 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.
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 Mag-Tab SR?
Other drugs may interact with magnesium lactate, including prescription and over-the-counter medicines, vitamins, and herbal products. Tell each of your health care providers about all medicines you use now and any medicine you start or stop using.
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.
Always consult your healthcare provider to ensure the information displayed on this page applies to your personal circumstances.
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