What is Calcium Gluconate: Uses, Warnings & Interactions

Updated May 14, 2025  •  Published Jan 12, 2021

Calcium Gluconate overview

BRAND NAMES:

Generic Names:

  • Calcium Gluconate

Uses:

  • Treats too little calcium in the blood. Also treats black widow spider bites, lead colic, overdose of magnesium or certain heart medicines, and rickets. This medicine is also used for life support and life-threatening heart conditions.

Therapeutic Classes:

  • Antidote, Parenteral Mineral-Trace Mineral

Forms:

  • Injectable

How it’s taken:

  • By injection

What is Calcium Gluconate used for?

What form(s) does Calcium Gluconate come in

  • Injectable

What are common Calcium Gluconate doses?

  • Vial 10ML of 10%

  • Vial 50ML of 10%

  • Bottle 100 Tablets

How to take Calcium Gluconate

  • Injection routeYour doctor will prescribe your dose and schedule. This medicine is given through a needle placed in a vein.

  • Injection routeA nurse or other health provider will give you this medicine.

  • Injection routeA nurse or other health provider will give you this medicine.

  • Injection routeYour doctor will prescribe your dose and schedule. This medicine is given through a needle placed in a vein.

What to do if you miss a dose of Calcium Gluconate

Calcium Gluconate contraindications

  • This medicine is not right for everyone. Do not use it if you had an allergic reaction to calcium gluconate.

Calcium Gluconate warnings

  • Feeling of warmth, tingling, or confusion

  • Slow or irregular heartbeat

  • Lightheadedness or fainting

  • Tell your doctor if you are pregnant or breastfeeding, or if you have kidney disease or are on dialysis.

Calcium Gluconate interactions

  • Some medicines can affect how calcium gluconate works. Tell your doctor if you are taking digoxin or antibiotics.

Calcium Gluconate side effects

Serious Side Effects

  • Allergic reaction: Itching or hives, swelling in your face or hands, swelling or tingling in your mouth or throat, chest tightness, trouble breathing

  • Feeling of warmth, tingling, or confusion

  • Lightheadedness or fainting

  • Slow or irregular heartbeat

Less Serious Side Effects

  • Increase in how much or how often you urinate

  • Constipation, loss of appetite, nausea, vomiting, stomach pain

  • Redness, swelling, irritation, or infection on the skin where the injection is given

  • Dry mouth, thirst, chalky taste in your mouth

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