Calcitriol (Injection)

Introduction

Calcitriol (kal-si-TRYE-ol)

Treats low blood calcium in kidney dialysis patients and other patients. Calcitriol is a form of vitamin D.

Brand Name(s)

There may be other brand names for this medicine.

When This Medicine Should Not Be Used

You should not use this medicine if you have ever had an allergic reaction to vitamin D.

How to Use This Medicine

Injectable

  • Your doctor will prescribe your exact dose and tell you how often it should be given. Keep all medicine out of the reach of children.
  • An IV injection is medicine that is put directly into your body through one of your veins.
  • This medicine should be given by a person trained to give IV medicine, such as a nurse. Sometimes you, a family member, or friend can be taught to give your medicine.

If a dose is missed:

  • This medicine needs to be given on a regular schedule. Take the missed dose as soon as you remember, then return to your normal schedule.
  • If you miss more than one dose, call your doctor for instructions.

How to Store and Dispose of This Medicine

  • If you have your treatments at home, you should be given a special container for the used needles. Keep it where children or pets cannot reach it.
  • Keep your medicine at room temperature, away from heat and direct light.

Drugs and Foods to Avoid

Ask your doctor or pharmacist before using any other medicine, including over-the-counter medicines, vitamins, and herbal products.

  • You should not use other forms of vitamin D while taking calcitriol.
  • You should not use antacids that contain magnesium (such as Mylanta® or Maalox®) without first checking with your doctor.

Warnings While Using This Medicine

  • If you are pregnant, breastfeeding, or have any other medical problems, check with your doctor before taking calcitriol.
  • If you are on dialysis, you may need to follow a special diet and take phosphate-binding medicine. Talk to your doctor about this.
  • If you are NOT on dialysis and taking calcitriol, be sure to drink plenty of liquids.

Possible Side Effects While Using This Medicine

Call your doctor right away if you notice any of these side effects:

  • Nausea and vomiting, long-lasting headache, constipation, sleepiness and weakness (early signs of high blood calcium)
  • Irregular heartbeat
  • Severe stomach pain
  • Bone pain
  • Cloudy or foaming urine

If you notice other side effects that you think are caused by this medicine, tell your doctor

Call your doctor for medical advice about side effects. You may report side effects to FDA at 1-800-FDA-1088

Version Info

  • Last Reviewed on 06/12/2013

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This page was last updated: June 18, 2013

         
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