What should I watch for?
Taking this medicine is not a substitute for a well-balanced diet and exercise. Talk with your doctor or health care provider and follow a healthy lifestyle.
Do not take this medicine with high-fiber foods, large amounts of alcohol, or drinks containing caffeine. Do not take this medicine within 2 hours of any other medicines.
Interactions with Medications
Along with its needed effects, a dietary supplement may cause some unwanted effects. Alfacalcidol, calcifediol, calcitriol, dihydrotachysterol, and ergocalciferol do not usually cause any side effects when taken as directed. However, taking large amounts over a period of time may cause some unwanted effects that can be serious.
Check with your doctor immediately if any of the following side effects occur:
Check with your doctor as soon as possible if any of the following side effects occur:
Early symptoms of overdose
constipation (especially in children or adolescents)
dryness of mouth
increase in frequency of urination, especially at night, or in amount of urine
loss of appetite
nausea or vomiting (especially in children or adolescents)
unusual tiredness or weakness
Late symptoms of overdose
calcium deposits (hard lumps) in tissues outside of the bone
increased sensitivity of eyes to light or irritation of eyes
itching of skin
loss of appetite
loss of sex drive
mood or mental changes
nausea or vomiting
protein in the urine
redness or discharge of the eye, eyelid, or lining of the eyelid
Other side effects not listed may also occur in some patients. If you notice any other effects, check with your healthcare professional.
Call your doctor for medical advice about side effects. You may report side effects to the FDA at 1-800-FDA-1088.