Calcitriol (By mouth)
Treats low calcium. This medicine is a form of vitamin D.
RocaltrolThere may be other brand names for this medicine.
When This Medicine Should Not Be Used:This medicine is not right for everyone. Do not use it if you had an allergic reaction to calcitriol or to vitamin D.
How to Use This Medicine:
Liquid Filled Capsule, Liquid
- Take your medicine as directed. Your dose may need to be changed several times to find what works best for you.
- Measure the oral liquid medicine with a marked measuring spoon, oral syringe, or medicine cup.
- Missed dose: Take a dose as soon as you remember. If it is almost time for your next dose, wait until then and take a regular dose. Do not take extra medicine to make up for a missed dose.
- Store the medicine in a closed container at room temperature, away from heat, moisture, 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.
- Do not take vitamins, calcium supplements, or other forms of vitamin D while you are taking calcitriol. If you are on dialysis, do not take antacids that contain magnesium while you are taking calcitriol.
- Some medicines can affect how calcitriol works. Tell your doctor if you are taking any of the following:
- Diuretics (water pills), such as hydrochlorothiazide (HCTZ)
- Phenytoin or phenobarbital
- Steroids, such as hydrocortisone, methylprednisolone, prednisone
Warnings While Using This Medicine:
- Tell your doctor if you are pregnant, breastfeeding, or have any medical problems.
- Do not use more calcitriol than your doctor ordered. Too much of this medicine may cause a dangerous amount of calcium to build up in your body.
- If you are not on dialysis, drink extra liquids to prevent dehydration. Ask your doctor how much liquid to drink each day.
- Keep all medicine out of the reach of children. Never share your medicine with anyone.
Possible Side Effects While Using This Medicine:
Call your doctor right away if you notice any of these side effects:
- Allergic reaction: Itching or hives, swelling in your face or hands, swelling or tingling in your mouth or throat, chest tightness, trouble breathing
- Bone or muscle pain
- Cloudy or foaming urine
- Irregular heartbeat
- Nausea and vomiting, long-lasting headache, constipation, sleepiness, weakness
- Severe stomach pain, metallic taste in your mouth
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
Last Updated: 3/4/2018
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