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(benazepril hydrochloride) Tablets
When pregnancy is detected, discontinue Lotensin as soon as possible.
Drugs that act directly on the renin-angiotensin system can cause injury and death to the developing fetus. See WARNINGS: Fetal Toxicity
Benazepril hydrochloride is a white to off-white crystalline powder, soluble ( > 100 mg/mL) in water, in ethanol, and in methanol. Its chemical name is benazepril 3-[[1-(ethoxy-carbonyl)-3-phenyl-(1S)propyl]amino]-2,3,4,5-tetrahydro-2-oxo-1H-1-(3S)-benzazepine-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 non-sulfhydryl angiotensin-converting enzyme inhibitor. Benazepril is converted to benazeprilat by hepatic cleavage of the ester group.
Lotensin is supplied as tablets containing 5 mg, 10 mg, 20 mg, and 40 mg of benazepril hydrochloride for oral administration. The inactive ingredients are colloidal silicon dioxide, crospovidone, hydrogenated castor oil (5-mg, 10-mg, and 20-mg tablets), hypromellose, iron oxides, lactose, magnesium stearate (40-mg tablets), microcrystalline cellulose, polysorbate 80, propylene glycol (5-mg and 40-mg tablets), starch, talc, and titanium dioxide.
What are the possible side effects of benazepril (Lotensin)?
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.
You may be more likely to have an allergic reaction to benazepril if you are African-American.
Call your doctor at once if you have:
- a light-headed feeling, like you might pass out;
- little or no urinating;
- swelling or rapid weight gain;
- fever, chills, body aches, flu symptoms;
- pale or yellowed skin, dark colored urine, fever, confusion or...
What are the precautions when taking benazepril (Lotensin)?
Before taking benazepril, tell your doctor or pharmacist if you are allergic to it; or to other ACE inhibitors (such as lisinopril); or if you have any other allergies. This product may contain inactive ingredients, which can cause allergic reactions or other problems. Talk to your pharmacist for more details.
Before using this medication, tell your doctor or pharmacist your medical history, especially of: history of an allergic reaction which included swelling of the face/lips/tongue/throat (angioedema), blood filtering procedures (such as LDL apheresis, dialysis), high level of potassium in the blood, collagen vascular disease (such as lupus, scleroderma).
This drug may make you dizzy or drowsy. Do not drive, use machinery, or do any activity that requires alertness...
Last reviewed on RxList: 2/10/2015
This monograph has been modified to include the generic and brand name in many instances.
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