Before taking this medication, tell your doctor if you have any allergies. This product may contain inactive ingredients, which can cause allergic reactions or other problems. Talk to your pharmacist for more details.
This medication should not be used if you have certain medical conditions. Before using this medicine, consult your doctor or pharmacist if you have:
- high calcium/vitamin D levels (hypercalcemia/hypervitaminosis D)
- difficulty absorbing nutrition from food (malabsorption syndrome)
Before using this medication, tell your doctor or pharmacist your medical history, especially of:
- heart/blood vessel disease
- kidney stones
- kidney disease
- certain immune system disorder (sarcoidosis)
- liver disease
- certain bowel diseases (Crohn's disease, Whipple's disease)
- little or no stomach acid (achlorhydria)
- low levels of bile
- untreated phosphate imbalance
Chewable tablets may contain sugar or aspartame. Caution is advised if you have diabetes, phenylketonuria (PKU), or any other condition that requires you to limit/avoid these substances in your diet. Ask your doctor or pharmacist about using this product safely.
Tell your doctor if you are pregnant before using this medication. During pregnancy, doses of vitamin D greater than the recommended dietary allowance should be used only when clearly needed. Discuss the risks and benefits with your doctor.
This medication passes into breast milk. Consult your doctor before breast-feeding.
Constipation or stomach upset may occur. If any of these effects persist or worsen, tell your doctor or pharmacist promptly.
If your doctor has directed you to use this medication, remember that he or she has judged that the benefit to you is greater than the risk of side effects. Many people using this medication do not have serious side effects.
Tell your doctor immediately if any of these unlikely but serious side effects occur:
- loss of appetite
- unusual weight loss
- mental/mood changes
- change in the amount of urine
- bone/muscle pain
- increased thirst
- increased urination
- fast/pounding heartbeat
A very serious allergic reaction to this drug is rare. However, seek immediate medical attention if you notice any symptoms of a serious allergic reaction, including:
- itching/swelling (especially of the face/tongue/throat)
- severe dizziness
- trouble breathing
This is not a complete list of possible side effects. If you notice other effects not listed above, contact your doctor or pharmacist.
In the US -
Call your doctor for medical advice about side effects. You may report side effects to FDA at 1-800-FDA-1088.
In Canada - Call your doctor for medical advice about side effects. You may report side effects to Health Canada at 1-866-234-2345.