Catapres
Catapres®
(clonidine hydrochloride, USP oral antihypertensive tablets of 0.1, 0.2 and 0.3 mg)
DRUG DESCRIPTION
Catapres® (clonidine hydrochloride, USP) is a centrally acting alpha-agonist hypotensive agent available as tablets for oral administration in three dosage strengths: 0.1 mg, 0.2 mg and 0.3 mg. The 0.1 mg tablet is equivalent to 0.087 mg of the free base.
The inactive ingredients are colloidal silicon dioxide, corn starch, dibasic calcium phosphate, FD&C Yellow No. 6, gelatin, glycerin, lactose, and magnesium stearate. The Catapres 0.1 mg tablet also contains FD&C Blue No.1 and FD&C Red No.3.
Clonidine hydrochloride is an imidazoline derivative and exists as a mesomeric compound. The chemical name is 2-(2,6-dichlorophenylamino)-2-imidazoline hydrochloride. The following is the structural formula:
![]() |
C9H9Cl2N3• HCl Mol. Wt. 266.56
Clonidine hydrochloride is an odorless, bitter, white, crystalline substance soluble in water and alcohol.
Generic Name: Clonidine
Soy for High Blood Pressure
About 65 million Americans have high blood pressure and more and more are turning to alternative therapies. Here, we look at soy. See more WebMD Videos »
Hypertension
Get tips on handling your hypertension.


