FLOROPRYL vs ONYDA XR

Independent side-by-side comparison.

Rated against independent regulatory sources·Last updated August 18, 2026·How we rate

Possible drug interaction. FLOROPRYL and ONYDA XR 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	FLOROPRYL	ONYDA XR
Rating	70/100	72/100
Pharmacy pays	—	~$1.05 /30
Type	RX	RX
Active ingredient	ISOFLUROPHATE	CLONIDINE HYDROCHLORIDE
Manufacturer	Merck	Tris Pharma Inc
Dosage forms	Topical	Suspension, extended release
Drug class	—	Central Alpha-2 Adrenergic Agonist
Boxed warning	None	None
Half-life	—	about 12 to 16 hours
Treats	Glaucoma, Strabismus	Attention Deficit Disorder with Hyperactivity, Diarrhea, Dysmenorrhea

floropryl onyda xr

Rating

70/100

72/100

Pharmacy pays

—

~$1.05 /30

Type

Active ingredient

ISOFLUROPHATE

CLONIDINE HYDROCHLORIDE

Manufacturer

Merck

Tris Pharma Inc

Dosage forms

Topical

Suspension, extended release

Drug class

—

Central Alpha-2 Adrenergic Agonist

Boxed warning

None

Half-life

—

about 12 to 16 hours

Treats

Glaucoma, Strabismus

Attention Deficit Disorder with Hyperactivity, Diarrhea, Dysmenorrhea

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Frequently asked questions

Which is better-rated, Floropryl or Onyda XR?

By our independent rating, Onyda XR scores higher — 3.6 vs 3.5 out of 5 for Floropryl. Ratings are based on FDA regulatory (recall-safety) data.

What is the difference between Floropryl and Onyda XR?

Floropryl contains Isoflurophate, while Onyda XR contains Clonidine Hydrochloride — 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.