What is Mag-Tab SR: Uses, Warnings & Interactions

Updated May 14, 2025  •  Published Dec 30, 2020

Mag-Tab SR overview

BRAND NAMES:

  • CalMag Thins, Coral Calcium, Leader Magnesium, Mag-G, Magimin-Forte, Maginex, Magnacaps, Mag-Tab SR, MG Plus Protein, MP Magnesium, PharmAssure Magnesium, Phillips, Sundown Naturals Magnesium, Uro-Mag, Uro-Mag

Generic Names:

  • Magnesium Lactate

Uses:

  • Used as a mineral supplement to add to the magnesium in your daily diet.

Therapeutic Classes:

  • Antacid, Magnesium Containing, Calcium Supplement, Laxative, Hyperosmotic, Magnesium Supplement, Mineral Combination, Vitamin Combination, Adult Formula

Forms:

  • Powder for Suspension, Liquid Filled Capsule, Capsule, Powder, Liquid, Tablet, Packet, Long Acting Tablet

How it’s taken:

  • By mouth

What is Mag-Tab SR used for?

What form(s) does Mag-Tab SR come in

  • Powder for Suspension

  • Liquid Filled Capsule

  • Capsule

  • Powder

  • Liquid

  • Tablet

  • Packet

  • Long Acting Tablet

What are common Mag-Tab SR doses?

  • Bottle 60 Tablets Extended Release

  • Bottle 100 Tablets Extended Release

  • Tablet Extended Release 84 MG (7MEQ)

Common Mag-Tab SR prescriptions

  • Mag-Tab SR
    100 tablets extended release bottle

  • Mag-Tab SR
    60 tablets extended release bottle

  • Mag-Tab SR
    84 mg (7meq) tablet extended release

How to take Mag-Tab SR

  • Your doctor will tell you how much medicine to use. Do not use more than directed.

  • Follow the instructions on the medicine label if you are using this medicine without a prescription.

  • Drink at least six to eight (8 ounce) cups of liquid each day, unless your doctor tells you otherwise.

  • Measure the oral liquid medicine with a marked measuring spoon, oral syringe, or medicine cup.

  • Measure the oral liquid medicine with a marked measuring spoon, oral syringe, or medicine cup.

  • Drink at least six to eight (8 ounce) cups of liquid each day, unless your doctor tells you otherwise.

  • Your doctor will tell you how much medicine to use. Do not use more than directed.

  • Follow the instructions on the medicine label if you are using this medicine without a prescription.

What to do if you miss a dose of Mag-Tab SR

  • Take a dose as soon as you remember. If it is almost time for your next dose, wait until then and take a regular dose. Do not take extra medicine to make up for a missed dose.

  • Keep all medicine out of the reach of children. Never share your medicine with anyone.

  • Ask your pharmacist, doctor, or health caregiver about the best way to dispose of any outdated medicine or medicine no longer needed.

Mag-Tab SR contraindications

  • Unless your doctor tells you otherwise, there is no reason for you to not use this medicine.

Mag-Tab SR warnings

  • Make sure your doctor knows if you are pregnant or breast feeding, or if you have kidney disease.

Mag-Tab SR interactions

  • There are other medicines that may not work properly if you use them together with magnesium. Make sure your doctor knows about all other medicines you are using.

Mag-Tab SR side effects

Serious Side Effects

  • Nausea, diarrhea.

Less Serious Side Effects

  • Nausea, diarrhea.