What is this medication?

VITAMIN D (VAHY tuh min D) prevents and treats low vitamin D levels in your body. It works by increasing the amount of calcium absorbed by your body. Vitamin D and calcium help build and maintain the health of your bones. Vitamin D also plays an important role in supporting your immune system and brain health.

This medicine may be used for other purposes; ask your health care provider or pharmacist if you have questions.

COMMON BRAND NAME(S): DECARA, Deltalin, Dialyvite, Dialyvite Vitamin D, Drisdol, Ergo D, Happy Sunshine Vitamin D3, MAXIMUM D3, PureMark Naturals Vitamin D, Super Happy SUNSHINE Vitamin D3, Thera-D 2000, Thera-D 4000, Thera-D Rapid Repletion, THERA-D SPORT

What should I tell my care team before I take this medication?

They need to know if you have any of the following conditions:

How should I use this medication?

Take this medication by mouth with water. Take it as directed on the label at the same time every day. Take it with a meal or snack; for best results, take it with foods that contain fat (i.e., milk, yogurt, cheese). Do not use it more often than directed.

Talk to your care team about the use of this medication in children. Special care may be needed.

Overdosage: If you think you have taken too much of this medicine contact a poison control center or emergency room at once.

NOTE: This medicine is only for you. Do not share this medicine with others.

What if I miss a dose?

If you miss a dose, take it as soon as you can. If it is almost time for your next dose, take only that dose. Do not take double or extra doses.

What may interact with this medication?

This list may not describe all possible interactions. Give your health care provider a list of all the medicines, herbs, non-prescription drugs, or dietary supplements you use. Also tell them if you smoke, drink alcohol, or use illegal drugs. Some items may interact with your medicine.

What should I watch for while using this medication?

Visit your care team for regular checks on your progress. You may need blood work done while you are taking this medication. Tell your care team if your symptoms do not start to get better or if they get worse.

Do not take any non-prescription medications that have vitamin D, phosphorus, magnesium, or calcium including antacids while taking this medication, unless your care team says you can. The extra supplements can cause side effects.

What side effects may I notice from receiving this medication?

Side effects that you should report to your care team as soon as possible:

Side effects that usually do not require medical attention (report these to your care team if they continue or are bothersome):

This list may not describe all possible side effects. Call your doctor for medical advice about side effects. You may report side effects to FDA at 1-800-FDA-1088.

Where should I keep my medication?

Keep out of the reach of children and pets.

Store at room temperature between 15 and 30 degrees C (59 and 86 degrees F). Protect from light. Get rid of any unused medication after the expiration date.

To get rid of medications that are no longer needed or have expired:

NOTE: This sheet is a summary. It may not cover all possible information. If you have questions about this medicine, talk to your doctor, pharmacist, or health care provider.

Copyright ©2022 Elsevier Inc. All Rights Reserved. Terms of Use.

Cleveland Clinic is a non-profit academic medical center. Advertising on our site helps support our mission. We do not endorse non-Cleveland Clinic products or services. Policy