Uses of Calcitriol Injection Solution:

• It is used to control low blood calcium levels in certain patients.
• It is used to treat high parathyroid hormone levels in certain patients.
• It may be given to you for other reasons. Talk with the doctor.

What do I need to tell my doctor BEFORE I take Calcitriol Injection Solution?

• If you have an allergy to calcitriol or any other part of calcitriol injection solution.
• If you are allergic to calcitriol injection solution; any part of calcitriol injection solution; or any other drugs, foods, or substances. Tell your doctor about the allergy and what signs you had.
• If you have any of these health problems: High calcium levels or too much vitamin D in the body.
• If you are breast-feeding. Do not breast-feed while you take calcitriol injection solution.

This is not a list of all drugs or health problems that interact with calcitriol injection solution.

Tell your doctor and pharmacist about all of your drugs (prescription or OTC, natural products, vitamins) and health problems. You must check to make sure that it is safe for you to take calcitriol injection solution with all of your drugs and health problems. Do not start, stop, or change the dose of any drug without checking with your doctor.

What are some things I need to know or do while I take Calcitriol Injection Solution?

• Tell all of your health care providers that you take calcitriol injection solution. This includes your doctors, nurses, pharmacists, and dentists.
• Have blood work checked as you have been told by the doctor. Talk with the doctor.
• Talk with your doctor about whether you may need to take calcium while taking calcitriol injection solution.
• Too much vitamin D in the body may cause problems. Do not take more of calcitriol injection solution than what your doctor told you to take. Be sure you know the signs of too much vitamin D in the body. If you have questions, talk with your doctor.
• If you are taking other sources of vitamin D, talk with your doctor.
• If you are also taking a product that has magnesium in it, talk with your doctor. This includes some types of antacids.
• Talk with your doctor to see if you need to drink extra fluids while you take calcitriol injection solution.
• Follow the diet plan that your doctor told you about.
• Tell your doctor if you are pregnant or plan on getting pregnant. You will need to talk about the benefits and risks of using calcitriol injection solution while you are pregnant.

How is this medicine (Calcitriol Injection Solution) best taken?

Use calcitriol injection solution as ordered by your doctor. Read all information given to you. Follow all instructions closely.

• It is given as a shot into a vein.

What do I do if I miss a dose?

• Call your doctor to find out what to do.

What are some side effects that I need to call my doctor about right away?

WARNING/CAUTION: Even though it may be rare, some people may have very bad and sometimes deadly side effects when taking a drug. Tell your doctor or get medical help right away if you have any of the following signs or symptoms that may be related to a very bad side effect:

• Signs of an allergic reaction, like rash; hives; itching; red, swollen, blistered, or peeling skin with or without fever; wheezing; tightness in the chest or throat; trouble breathing, swallowing, or talking; unusual hoarseness; or swelling of the mouth, face, lips, tongue, or throat.
• Signs of high calcium levels like weakness, confusion, feeling tired, headache, upset stomach and throwing up, constipation, or bone pain.

What are some other side effects of Calcitriol Injection Solution?

All drugs may cause side effects. However, many people have no side effects or only have minor side effects. Call your doctor or get medical help if you have any side effects that bother you or do not go away.

These are not all of the side effects that may occur. If you have questions about side effects, call your doctor. Call your doctor for medical advice about side effects.

You may report side effects to the FDA at 1-800-332-1088. You may also report side effects at https://www.fda.gov/medwatch.

If OVERDOSE is suspected:

If you think there has been an overdose, call your poison control center or get medical care right away. Be ready to tell or show what was taken, how much, and when it happened.

How do I store and/or throw out Calcitriol Injection Solution?

• If you need to store calcitriol injection solution at home, talk with your doctor, nurse, or pharmacist about how to store it.

Consumer Information Use and Disclaimer

• If your symptoms or health problems do not get better or if they become worse, call your doctor.
• Do not share your drugs with others and do not take anyone else's drugs.
• Keep all drugs in a safe place. Keep all drugs out of the reach of children and pets.
• Throw away unused or expired drugs. Do not flush down a toilet or pour down a drain unless you are told to do so. Check with your pharmacist if you have questions about the best way to throw out drugs. There may be drug take-back programs in your area.
• Some drugs may have another patient information leaflet. Check with your pharmacist. If you have any questions about calcitriol injection solution, please talk with your doctor, nurse, pharmacist, or other health care provider.
• If you think there has been an overdose, call your poison control center or get medical care right away. Be ready to tell or show what was taken, how much, and when it happened.