Two years ago I was prescribed Drisdol--50,000 units two pills at a time every two weeks. I had flu like symptoms and fatigue--so bad it left me bedridden for a day. Now my doctor has changed the amount I should take--but my Vitamin D level has not changed. How much is too much Drisdol?
Here is the info I found for Drisdol:
THE RANGE BETWEEN THERAPEUTIC AND TOXIC DOSES IS NARROW.
Vitamin D Resistant Rickets: 12,000 to 500,000 IU units daily.
Hypoparathyroidism: 50,000 to 200,000 IU units daily concomitantly with calcium lactate 4 g, six times per day.
DOSAGE MUST BE INDIVIDUALIZED UNDER CLOSE MEDICAL SUPERVISION.
Calcium intake should be adequate. Blood calcium and phosphorus determinations must be made every 2 weeks or more frequently if necessary.
X-rays of the bones should be taken every month until condition is corrected and stabilized.
- Drisdol Information for Consumers
- Drisdol Information for Healthcare Professionals (includes dosage details)
- Side Effects of Drisdol (detailed)
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