DRISDOL vs NATPARA

Independent side-by-side comparison.

Rated against independent regulatory sources·Last updated June 7, 2026·How we rate

Possible drug interaction. DRISDOL and NATPARA are different prescription medicines. Combining or switching between them can cause interactions — talk to a pharmacist or prescriber before making changes. This page is not medical advice.

Attribute	DRISDOL	NATPARA
Rating	New	New
Pharmacy pays	~$3.48 /30	—
Type	RX	RX
Active ingredient	ERGOCALCIFEROL	PARATHYROID HORMONE
Manufacturer	Esjay Pharma	Nps Pharms Inc
Dosage forms	Capsule	Injectable
Drug class	Provitamin D2 Compound	—
Boxed warning	None	None
Treats	Hypoparathyroidism, Rickets, Hypophosphatemia	Hypocalcemia, Hypoparathyroidism

drisdol natpara

Rating

New

Pharmacy pays

~$3.48 /30

—

Type

Active ingredient

ERGOCALCIFEROL

PARATHYROID HORMONE

Manufacturer

Esjay Pharma

Nps Pharms Inc

Dosage forms

Capsule

Injectable

Drug class

Provitamin D2 Compound

—

Boxed warning

None

Treats

Hypoparathyroidism, Rickets, Hypophosphatemia

Hypocalcemia, Hypoparathyroidism

Frequently asked questions

What is the difference between Drisdol and Natpara?

Drisdol contains Ergocalciferol, while Natpara contains Parathyroid Hormone — they have different active ingredients.

Ratings are based on FDA regulatory (recall-safety) data. This comparison is for general reference only — not medical advice. Always consult a licensed professional before choosing or switching a medication.