Vitamin D and Related Compounds (Systemic)
Side Effects of This Dietary SupplementAlong 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 effects occur:
Late symptoms of severe overdose
Check with your health care professional as soon as possible if any of
the following effects occur:
Early symptoms of overdose
Bone pain; constipation (especially
in children or adolescents); diarrhea; drowsiness; dryness of mouth; headache (continuing); increased thirst; increase in frequency of urination, especially
at night, or in amount of urine; irregular heartbeat; itching skin; loss of
appetite; metallic taste; muscle pain; nausea or vomiting (especially in children
or adolescents); unusual tiredness or weakness
Late symptoms of overdose
Bone pain; calcium deposits (hard lumps)
in tissues outside of the bone; cloudy urine; drowsiness; increased sensitivity of
eyes to light or irritation of eyes; itching of skin; loss of appetite; loss
of sex drive; mood or mental changes; muscle pain; nausea or vomiting; protein in the urine; redness or discharge
of the eye, eyelid, or lining of the eyelid; runny
nose; weight loss
Other side effects not listed above may also occur in
some individuals. If you notice any other effects, check with your health
care professional.
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