Comparing Calcitriol vs Zemplar

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Calcitriol

Zemplar paricalcitol

Prescribed for Hypoparathyroidism, Hypocalcemia, Rickets, Renal Osteodystrophy. 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.

Prescription only

Ratings & Reviews

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Drug Class

Vitamins

Vitamins

Side Effects

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.

Pricing and Coupons

* Prices are without insurance

Quantity	100 each
Dosage	0.25 mcg
Per Unit^*	$0.46
Cost^*	$45.79

View all calcitriol prices

Quantity	25 mL
Dosage	5 mcg/mL
Per Unit^*	$16.20
Cost^*	$404.92

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Generic Availability

Yes (this medicine)

Yes

Dosage Form(s) Available

Injectable solution
Oral capsule
Oral liquid

Intravenous solution
Oral capsule

Brand Names

Rocaltrol

N/A

Half Life

The half-life of a drug is the time taken for the plasma concentration of a drug to reduce to half its original value.

8 hours

15 hours

CSA Schedule**

View glossary of terms.

Not a controlled drug

Is not subject to the Controlled Substances Act.

Not a controlled drug

Is not subject to the Controlled Substances Act.

Pregnancy Category

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.

Drug Interactions

A total of 63 drugs are known to interact with calcitriol:

8 major drug interactions (47 brand and generic names)
54 moderate drug interactions (197 brand and generic names)
1 minor drug interactions (3 brand and generic names)

A total of 112 drugs are known to interact with Zemplar:

12 major drug interactions (60 brand and generic names)
100 moderate drug interactions (318 brand and generic names)

Alcohol/Food/Lifestyle Interactions

No known alcohol/food interactions. This does not necessarily mean no interactions exist. Always consult your healthcare provider.

Disease Interactions

First Approval Date

August 17, 1978

May 26, 2005

WADA Class

View World Anti-Doping Agency classifications.

N/A

More Information

** 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.

Medical Disclaimer