cholecalciferol (vitamin D3)

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cholecalciferol (vitamin D3)

Pronunciation:KOE le kal SIF e role
Brand:D 1000 IU, D3-5, D3-50, Delta D3, Vitamin D3

What is the most important information I should know about cholecalciferol?

donotDo not use this medication if you have ever had an allergic reaction to vitamin D, or if you have high levels of calcium or vitamin D in your blood, or if you have any condition that makes it hard for your body to absorb nutrients from food (malabsorption).

Before taking cholecalciferol, tell your doctor if you are allergic to any drugs, or if you have heart disease, kidney disease, or an electrolyte imbalance.

donotDo not take other vitamin or mineral supplements unless your doctor has told you to.

Avoid using calcium supplements or antacids without your doctor's advice. Use only the specific type of supplement or antacid your doctor recommends. Tell your doctor about all your prescription and over-the-counter medications, vitamins, minerals, herbal products, and drugs prescribed by other doctors. Do not start a new medication without telling your doctor.

emtSeek emergency medical attention if you think you have used too much of this medicine. An overdose of vitamin D can cause serious or life-threatening side effects.

Overdose symptoms may include headache, weakness, drowsiness, dry mouth, nausea, vomiting, constipation, muscle or bone pain, metallic taste in the mouth, weight loss, itchy skin, changes in heart rate, loss of interest in sex, confusion, unusual thoughts or behavior, severe pain in your upper stomach spreading to your back, or fainting.

What is cholecalciferol?

Cholecalciferol is a vitamin D3. Vitamin D is important for the absorption of calcium from the stomach and for the functioning of calcium in the body.

Cholecalciferol is used to treat or prevent many conditions caused by a lack of vitamin D, especially conditions of the skin or bones.

Cholecalciferol may also be used for other purposes not listed in this medication guide.

What should I discuss with my healthcare provider before taking cholecalciferol?

donotDo not use this medication if you have ever had an allergic reaction to vitamin D, or if you have:
  • high levels of calcium in your blood (hypercalcemia);
  • high levels of vitamin D in your body (hypervitaminosis D); or
  • any condition that makes it hard for your body to absorb nutrients from food (malabsorption).

If you have any of these other conditions, you may need a dose adjustment or special tests to safely use cholecalciferol:

  • heart disease;
  • kidney disease; or
  • an electrolyte imbalance.

Your cholecalciferol dose needs may change if you are pregnant or breast-feeding. Tell your doctor if you are pregnant or plan to become pregnant during treatment, or if you are breast-feeding a baby.

How should I take cholecalciferol?

Take this medication exactly as directed on the label, or as prescribed by your doctor. Do not take it in larger amounts or for longer than recommended.

Your doctor may occasionally change your dose to make sure you get the best results from this medication.

Measure liquid medicine with a special dose-measuring spoon or cup, not a regular table spoon. If you do not have a dose-measuring device, ask your pharmacist for one.

Cholecalciferol is only part of a complete program of treatment that may also include a special diet. It is very important to follow the diet plan created for you by your doctor or nutrition counselor. You should become very familiar with the list of foods you must eat or avoid to help control your condition.

rtStore this medication at room temperature away from moisture, light, and heat.

What happens if I miss a dose?

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

What happens if I overdose?

emtSeek emergency medical attention if you think you have used too much of this medicine. An overdose of vitamin D can cause serious or life-threatening side effects.

Overdose symptoms may include headache, weakness, drowsiness, dry mouth, nausea, vomiting, constipation, muscle or bone pain, metallic taste in the mouth, weight loss, itchy skin, changes in heart rate, loss of interest in sex, confusion, unusual thoughts or behavior, severe pain in your upper stomach spreading to your back, or fainting.

What should I avoid while taking cholecalciferol?

donotDo not take other vitamin or mineral supplements unless your doctor has told you to.

Avoid using calcium supplements or antacids without your doctor's advice. Use only the specific type of supplement or antacid your doctor recommends.

What are the possible side effects of cholecalciferol?

emtGet emergency medical help if you have any of these signs of an allergic reaction: hives; difficulty breathing; swelling of your face, lips, tongue, or throat.
donotStop taking cholecalciferol and call your doctor at once if you have a serious side effect such as:
  • thinking problems, changes in behavior, feeling irritable;
  • urinating more than usual;
  • chest pain, feeling short of breath; or
  • early signs of vitamin D overdose (weakness, metallic taste in your mouth, weight loss, muscle or bone pain, constipation, nausea, and vomiting).

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 cholecalciferol?

Before taking cholecalciferol, tell your doctor if you are taking any of the following medicines:

  • seizure medication;
  • cholestyramine (Prevalite, Questran);
  • colestipol (Colestid);
  • steroids (prednisone and others);
  • digoxin (digitalis, Lanoxin); or
  • a diuretic (water pill) such as chlorothiazide (Diuril), hydrochlorothiazide (HCTZ, HydroDiuril, Hyzaar, Lopressor, Vasoretic, Zestoretic), chlorthalidone (Hygroton, Thalitone), indapamide (Lozol), metolazone (Mykrox, Zaroxolyn), and others.

This list is not complete and there may be other drugs that can interact with cholecalciferol. Tell your doctor about all your prescription and over-the-counter medications, vitamins, minerals, herbal products, and drugs prescribed by other doctors. Do not start a new medication without telling your doctor.

Where can I get more information?

Your pharmacist can provide more information about cholecalciferol.


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.

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