Benazepril hydrochloride is a white to off-white
crystalline powder, soluble ( > 100 mg/mL) in water, in ethanol, and in
methanol. Benazepril hydrochloride's chemical name is
zepine-1-acetic acid monohydrochloride; its structural formula is
Its empirical formula is C24H28N2O5•HCl,
and its molecular weight is 460.96.
Benazeprilat, the active metabolite of benazepril, is a
nonsulfhydryl angiotensin-converting enzyme inhibitor. Benazepril is converted
to benazeprilat by hepatic cleavage of the ester group.
Hydrochlorothiazide USP is a white, or practically white,
practically odorless, crystalline powder. It is slightly soluble in water;
freely soluble in sodium hydroxide solution, in n-butylamine, and in
dimethylformamide; sparingly soluble in methanol; and insoluble in ether, in chloroform,
and in dilute mineral acids. Hydrochlorothiazide's chemical name is
6-chloro-3,4-dihydro-2H-1,2,4-benzothiadiazine-7-sulfonamide 1,1-dioxide; its
structural formula is
Its empirical formula is C7H8ClN3O4S2,
and its molecular weight is 297.73. Hydrochloro thiazide is a thiazide
Lotensin HCT is a combination of benazepril hydrochloride
and hydrochlorothiazide USP. The tablets are formulated for oral administration
with a combination of 5, 10, or 20 mg of benazepril hydrochloride and 6.25,
12.5, or 25 mg of hydrochlorothiazide USP. The inactive ingredients of the
tablets are cellulose compounds, crospovidone, hydrogenated castor oil, iron
oxides (10/12.5-mg, 20/12.5-mg, and 20/25-mg tablets), lactose, polyethylene
glycol, talc, and titanium dioxide.
What are the possible side effects of hydrochlorothiazide and benazepril (Lotensin HCT)?
Get emergency medical help if you have any of these signs of an allergic reaction: hives; severe stomach pain; difficulty breathing; swelling of your face, lips, tongue, or throat.
Call your doctor at once if you have any of these serious side effects:
- eye pain, vision problems;
- high potassium (slow heart rate, weak pulse, muscle weakness, tingly feeling);
- fever, sore throat, and headache with a severe blistering, peeling, and red skin rash;
- easy bruising, unusual bleeding (nose, mouth, vagina, or rectum), purple or...
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What are the precautions when taking benazepril hcl and hctz (Lotensin Hct)?
Before taking benazepril with hydrochlorothiazide, tell your doctor or pharmacist if you are allergic to it; or to other ACE inhibitors (e.g., captopril, lisinopril); or if you have any other allergies (including an allergic reaction after exposure to certain membranes used for blood filtering). This product may contain inactive ingredients, which can cause allergic reactions or other problems. Talk to your pharmacist for more details.
This medication should not be used if you have certain medical conditions. Before using this medicine, consult your doctor or pharmacist if you have: urinary problems (inability to make urine or anuria), history of an allergic reaction which included swelling of the face/lips/tongue/throat (angioedema).
Before using this medication, tell...
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Last reviewed on RxList: 1/27/2012
This monograph has been modified to include the generic and brand name in many instances.