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Clorpres

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Clorpres

CLORPRES
(clonidine hydrochloride and chlorthalidone) Tablet 0.1 mg/15 mg, 0.2 mg/15 mg
and 0.3 mg/15 mg

DRUG DESCRIPTION

CLORPRES (clonidine hydrochloride and chlorthalidone) ® is a combination of clonidine hydrochloride (a centrally acting antihypertensive agent) and chlorthalidone (a diuretic).

CLORPRES (clonidine hydrochloride and chlorthalidone) ® is available as tablets for oral administration in three dosage strengths: 0.1 mg/15 mg, 0.2 mg/15 mg and 0.3 mg/15 mg of clonidine hydrochloride/chlorthalidone, respectively.

The inactive ingredients are ammonium chloride, colloidal silicon dioxide, croscarmellose sodium (Type A), magnesium stearate, microcrystalline cellulose, sodium lauryl sulfate, D&C yellow #10.

Clonidine Hydrochloride

Clonidine hydrochloride is an imidazoline derivative and exists as a mesomeric compound. The chemical name is 2-[(2,6-dichlorophenyl)imino]imidazoline monohydrochloride. The following are the structural formula, molecular formula and molecular weight:

Clonidine Hydrochloride Structural Formula Illustration

Clonidine hydrochloride is an odorless, bitter, white crystalline substance soluble in water and alcohol.

Chlorthalidon

Chlorthalidone is a monosulfamyl diuretic that differs chemically from thiazide diuretics in that a double ring system is incorporated in its structure. It is 2-chloro-5-(1-hydroxy-3-oxo-1-isoindolinyl) benzenesulfonamide with the following structural formula, molecular formula and molecular weight:

Chlorthalidon Structural Formula Illustration

Chlorthalidone is practically insoluble in water, in ether and in chloroform; soluble in methanol; slightly soluble in alcohol.

What are the possible side effects of clonidine and chlorthalidone (Clorpres)?

Get emergency medical help if you have any of these signs of an allergic reaction: hives; difficulty breathing; swelling of your face, lips, tongue, or throat.

Call your doctor at once if you have a serious side effect such as:

  • dry mouth, increased thirst, drowsiness, restless feeling, nausea, vomiting, increased urination, muscle pain or weakness, fast heart rate, feeling light-headed, fainting, or seizure (convulsions);
  • easy bruising or bleeding, unusual weakness;
  • red or purple spots on your skin;
  • confusion,...

Read All Potential Side Effects and See Pictures of Clorpres »

Last reviewed on RxList: 5/28/2009
This monograph has been modified to include the generic and brand name in many instances.

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Report Problems to the Food and Drug Administration

 

You are encouraged to report negative side effects of prescription drugs to the FDA. Visit the FDA MedWatch website or call 1-800-FDA-1088.


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