Comparing Calcitriol vs Zemplar
Calcitriol |
Zemplarparicalcitol |
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Prescribed for Hypoparathyroidism, Hypocalcemia, Renal Osteodystrophy, Rickets. May also be prescribed off label for Secondary Hyperparathyroidism. |
Prescribed for Secondary Hyperparathyroidism. Zemplar may also be used for purposes not listed in this medication guide. |
Choose a suggestion belowSecondary Hyperparathyroidism
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Prescription only |
Prescription only |
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Ratings & ReviewsRecent helpful reviews |
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7.6
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N/A |
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Drug Class |
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Side Effects |
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Commonly reported side effects include: hypercalcemia, hypercalciuria, and increased serum creatinine. See the full calcitriol side effects document. |
See the full Zemplar side effects document. |
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Pricing and Coupons* Prices are without insurance |
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Generic Availability |
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Yes (this medicine) |
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Dosage Form(s) Available |
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Brand Names |
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| Rocaltrol |
N/A |
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Half LifeThe half-life of a drug is the time taken for the plasma concentration of a drug to reduce to half its original value. |
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8 hours |
15 hours |
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CSA Schedule**View glossary of terms. |
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Not a controlled drug
Is not subject to the Controlled Substances Act. |
Not a controlled drug
Is not subject to the Controlled Substances Act. |
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Pregnancy Category |
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Category C
Risk cannot be ruled out
See the full Pregnancy Warnings document. |
Category C
Risk cannot be ruled out
See the full Pregnancy Warnings document. |
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FDA Alerts |
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N/A |
N/A |
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Drug Interactions |
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A total of 170 drugs are known to interact with calcitriol:
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A total of 211 drugs are known to interact with Zemplar:
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Alcohol/Food/Lifestyle Interactions |
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No results found - however, this does not necessarily mean no warnings exist. Always consult with your doctor or pharmacist. |
No results found - however, this does not necessarily mean no warnings exist. Always consult with your doctor or pharmacist. |
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Disease Interactions |
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First Approval Date |
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August 17, 1978 |
May 26, 2005 |
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WADA ClassView World Anti-Doping Agency classifications. |
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N/A |
N/A |
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More Information |
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Consumer Resources |
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Professional Resources |
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Related Treatment Guide |
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** The Controlled Substances Act (CSA) schedule information displayed applies to substances regulated under federal law. There may be variations in CSA schedules between individual states.
Further information
Always consult your healthcare provider to ensure the information displayed on this page applies to your personal circumstances.
For Hypoparathyroidism I have been taking calcitriol for 8 months now. We eventually built it up until I am taking 1.25 mcg a day with 1500 - 2000 mg of calcium. It has worked very well compared to when I started out with only 25 mcg a day. I still have minor tetany problems but nothing and extra dose of calcium once in a while won't fix. The reason I didn't give it a 10 is because a lot of other medicines that different doctors gave me completely screwed me up. I see an endocrinologist for my thyroid and hypocalcemia...an ENT prescribed prilosec for reflux which messed me up and I had to stop taking it. My Gyn gave me a drug one dose one time before a uterine biopsy and plummedted my blood calcium levels for over a week...