CATAPRES vs CATAPRES-TTS-1

Independent side-by-side comparison.

Rated against independent regulatory sources·Last updated August 17, 2026·How we rate

Possible drug interaction. CATAPRES and CATAPRES-TTS-1 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	CATAPRES	CATAPRES-TTS-1
Rating	72/100	New
Pharmacy pays	~$1.05 /30	~$1.05 /30
Type	RX	RX
Active ingredient	CLONIDINE HYDROCHLORIDE	CLONIDINE
Manufacturer	Boehringer Ingelheim	Lavipharm
Dosage forms	Tablet	Patch
Drug class	Central Alpha-2 Adrenergic Agonist	Central Alpha-2 Adrenergic Agonist
Boxed warning	None	None
Half-life	about 12 to 16 hours	about 12 to 16 hours
Treats	Attention Deficit Disorder with Hyperactivity, Diarrhea, Dysmenorrhea	Attention Deficit Disorder with Hyperactivity, Diarrhea, Dysmenorrhea

catapres catapres-tts-1

Rating

72/100

New

Pharmacy pays

~$1.05 /30

Type

Active ingredient

CLONIDINE HYDROCHLORIDE

CLONIDINE

Manufacturer

Boehringer Ingelheim

Lavipharm

Dosage forms

Tablet

Patch

Drug class

Central Alpha-2 Adrenergic Agonist

Boxed warning

None

Half-life

about 12 to 16 hours

Treats

Attention Deficit Disorder with Hyperactivity, Diarrhea, Dysmenorrhea

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Frequently asked questions

Which is cheaper, Catapres or Catapres-Tts-1?

Pharmacies pay about the same to acquire either one — roughly $1.05 for a 30-count supply, per the CMS NADAC survey. That is not what you will be charged: your price is set by your insurer and the pharmacy, not by what the drug cost them.

What is the difference between Catapres and Catapres-Tts-1?

Catapres contains Clonidine Hydrochloride, while Catapres-Tts-1 contains Clonidine — 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.