Calcium Chloride

    • What type of medicine is this?

    • Calcium chloride is in a class of medications called Antidotes. Antidotes are used as a remedy to prevent something harmful.

    • What is the medicine used for?

    • Calcium chloride is a prescription medication that treats symptoms of abnormally low levels of calcium in your body causing muscle spasm (hypocalcemic tetany). It can be given by injection into a vein to top up supplies of calcium if they are running low. Our bodies contain a large amount of calcium. Our bones are mainly calcium salts and we need calcium to make our heart and other muscles work properly. There should always be a certain amount of calcium in your blood. If the level becomes too high or too low you can become very ill (e.g. causing abnormal heartbeats). Calcium chloride is also used in the emergency treatment of high potassium and magnesium levels in the blood.

    • How to take this medicine?

    • Calcium chloride use is mostly given as an injection into a vein.  As calcium chloride is only used in medical emergencies, the injection may be given by paramedical personnel such as ambulance or nursing staff, or by a healthcare professional in a hospital.

    • What are the side-effects?

    • The following are unpleasant effects that you may experience while using Calcium Chloride:

      • A general feeling of weakness.
      • A feeling of heaviness and hot flushes.
      • A chalky or bad taste in your mouth.
      • Inflammation of the site of the injection.
      • A tingling feeling in the skin.

      More severe side-effects can occur occasionally. Tell your healthcare provider as soon as possible if you experience any of the following:

      • Allergic reactions such as a rash or peeling skin.
      • A heart rate and rhythm that feels upsetting.
      • Back pain and belly pain.


    • What to know before taking this medicine?

    • Before you take this medicine, if possible, you should tell your doctor if you:

      • Have any breathing problems.
      • Have any heart disease.
      • Have any kidney problems.
      • Have high blood pressure.
      • Have ever had an allergic reaction to calcium chloride.
      • Are taking any medicines and what they are (eg. digoxin, verapamil)
      • Are pregnant, or planning to become pregnant.
      • Are breast feeding.