Oyster Calcium

Generic name: Calcium Carbonate

Usage of Oyster Calcium

Calcium is a mineral that is found naturally in foods. Calcium is necessary for many normal functions of the body, especially bone formation and maintenance.

Oyster Calcium is used to prevent or to treat a calcium deficiency.

There are many brands and forms of Calcium carbonate available. Not all brands are listed on this leaflet.

Oyster Calcium may also be used for purposes not listed in this medication guide.

Oyster Calcium side effects

Get emergency medical help if you have signs of an allergic reaction: hives; difficulty breathing; swelling of your face, lips, tongue, or throat.

Oyster Calcium may cause serious side effects. Call your doctor at once if you have:

  • little or no urinating;
  • swelling, rapid weight gain; or
  • high levels of calcium in your blood--nausea, vomiting, constipation, increased thirst or urination, muscle weakness, bone pain, confusion, lack of energy, or feeling tired.
  • Common side effects of Oyster Calcium may include:

  • upset stomach, gas; or
  • constipation.
  • 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.

    Before taking Oyster Calcium

    Ask a doctor or pharmacist if it is safe for you to take Oyster Calcium if you have ever had:

  • kidney disease;
  • kidney stones;
  • cancer;
  • a parathyroid gland disorder; or
  • high levels of calcium in your blood.
  • Ask a doctor before using Oyster Calcium if you are pregnant or breast-feeding. Your dose needs may be different during pregnancy or while you are nursing.

    How to use Oyster Calcium

    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.

    Check the label of your Oyster Calcium product to see if it should be taken with or without food.

    Swallow the Oyster Calcium regular tablet with a full glass of water.

    The chewable tablet should be chewed before you swallow it.

    Shake the oral suspension (liquid) well just before you measure a dose. Measure liquid medicine with the dosing syringe provided, or with a special dose-measuring spoon or medicine cup. If you do not have a dose-measuring device, ask your pharmacist for one.

    Use the Oyster Calcium powder as directed. Allow the powder to dissolve completely, then consume the mixture.

    Oyster Calcium may be only part of a complete program of treatment that also includes dietary changes. Learn about the foods that contain calcium.

    Your Oyster Calcium dose may need to be adjusted as you make changes to your diet. Follow your doctor's instructions very closely.

    Store at room temperature away from moisture and heat. Do not freeze.


    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 other drugs will affect Oyster Calcium

    Calcium can make it harder for your body to absorb certain medicines. If you take other medications, take them at least 2 hours before or 4 or 6 hours after you take Oyster Calcium.

    Other drugs may interact with calcium carbonate, including prescription and over-the-counter medicines, vitamins, and herbal products. Tell your doctor about all your current medicines and any medicine you start or stop using.


    Every effort has been made to ensure that the information provided by Drugslib.com is accurate, up-to-date, and complete, but no guarantee is made to that effect. Drug information contained herein may be time sensitive. Drugslib.com information has been compiled for use by healthcare practitioners and consumers in the United States and therefore Drugslib.com does not warrant that uses outside of the United States are appropriate, unless specifically indicated otherwise. Drugslib.com's drug information does not endorse drugs, diagnose patients or recommend therapy. Drugslib.com'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. Drugslib.com does not assume any responsibility for any aspect of healthcare administered with the aid of information Drugslib.com 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.

    Popular Keywords