CYSTARAN vs PROCYSBI

Independent side-by-side comparison.

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

Possible drug interaction. CYSTARAN and PROCYSBI 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	CYSTARAN	PROCYSBI
Rating	New	New
Pharmacy pays	—	—
Type	RX	RX
Active ingredient	CYSTEAMINE HYDROCHLORIDE	CYSTEAMINE BITARTRATE
Manufacturer	Leadiant Biosci Inc	Horizon
Dosage forms	Solution	Capsule, Oral pellets, Powder, delayed release
Drug class	Cystine Depleting Agent	Cystine Depleting Agent
Boxed warning	None	None
Treats	Cystinosis	Cystinosis

cystaran procysbi

Rating

New

Pharmacy pays

—

Type

Active ingredient

CYSTEAMINE HYDROCHLORIDE

CYSTEAMINE BITARTRATE

Manufacturer

Leadiant Biosci Inc

Horizon

Dosage forms

Solution

Capsule, Oral pellets, Powder, delayed release

Drug class

Cystine Depleting Agent

Boxed warning

None

Treats

Cystinosis

Frequently asked questions

What is the difference between Cystaran and Procysbi?

Cystaran contains Cysteamine Hydrochloride, while Procysbi contains Cysteamine Bitartrate — 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.