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Medications and Drugs

Brand Names: D 1000 IU, D3-5, D3-50, Delta D3, Vitamin D3

Generic Name: cholecalciferol (vitamin D3) (Pronunciation: KOE le kal SIF e role)

What is cholecalciferol (D 1000 IU, D3-5, D3-50, Delta D3, Vitamin D3)?

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 are the possible side effects of cholecalciferol (D 1000 IU, D3-5, D3-50, Delta D3, Vitamin D3)?

Get 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.

Stop 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 is the most important information I should know about cholecalciferol (D 1000 IU, D3-5, D3-50, Delta D3, Vitamin D3)?

Do 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.

Do 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.

Seek 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.



Report Problems to the Food and Drug Administration

You are encouraged to report negative side effects of prescription drugs to the FDA. Visit the FDA MedWatch website or call 1-800-FDA-1088.

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