Generic name: calcium and vitamin D combination (KAL see um and VYE ta min D)
Brand name: Calcitrate with D, Caltrate 600+D Soft Chews, Citracal + D, Os-Cal Extra D3, Oystercal-D, UpCal D
Drug class: Vitamin and mineral combinations
What is Oystercal-D?
Calcium is a mineral that is necessary for many functions of the body, especially bone formation and maintenance. Vitamin D helps the body absorb calcium.
Oystercal-D is used to treat or prevent a calcium deficiency.
There are many brands and forms of calcium and vitamin D combination available. Not all brands are listed on this leaflet.
Oystercal-D may also be used for purposes not listed in this medication guide.
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.
Before taking this medicine
Ask a doctor or pharmacist if Oystercal-D is safe to use if you have:
high levels of calcium in your blood;
circulation problems; or
a parathyroid gland disorder.
Ask a doctor before using this product if you are pregnant or breast-feeding. Your dose needs may be different during pregnancy or while you are nursing.
How should I take Oystercal-D?
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 Oystercal-D product to see if it should be taken with or without food.
Take the regular tablet with a full glass of water.
The chewable tablet must be chewed before you swallow it.
Do not crush, chew, or break an extended-release tablet. Swallow it whole.
Calcium and vitamin D may be only part of a complete program of treatment that also includes dietary changes. Learn about the foods that contain calcium and vitamin D.
Your supplement 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.
What happens if I miss a dose?
Take the medicine as soon as you can, but skip the missed dose if it is almost time for your next dose. Do not take two doses at one time.
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 Oystercal-D?
Ask a doctor or pharmacist before taking any multivitamins, mineral supplements, or antacids while you are taking Oystercal-D.
Oystercal-D 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.
Call your doctor at once if you have signs of too much calcium in your body, such as:
increased thirst or urination;
muscle weakness, bone pain; or
confusion, lack of energy, or feeling tired.
Common side effects may include:
weakness, drowsiness, headache;
dry mouth, or a metallic taste in your mouth; or
muscle or bone pain.
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.
What other drugs will affect Oystercal-D?
Calcium can make it harder for your body to absorb certain medicines, and some medicines can make it harder for your body to absorb vitamin D. If you take other medications, take them at least 2 hours before or 4 to 6 hours after you take Oystercal-D.
Other drugs may affect Oystercal-D, 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.
More about Oystercal-D (calcium / vitamin d)
- Side Effects
- Dosage Information
- Drug Interactions
- En Español
- Drug class: vitamin and mineral combinations
Related treatment guides
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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