For the Consumer. Applies to benazepril: oral tablet. Along with its needed effects, benazepril may cause some unwanted effects. Although not all of these side effects may occur, if they do occur they may need medical attention. How to use Benazepril HCL. Take this medication by mouth with or without food as directed by your doctor, usually once or twice daily. If you are using the suspension form of this medication. Elderly people may have more side effects from this drug. You should let your doctor know if you are allergic to any active or inactive ingredients in benazepril. benazepril (Lotensin) is a drug prescribed for the treatment of high blood pressure. Off label uses include congestive heart failure and diabetic neuropathy. Side effects, drug interactions, and pregnancy safety is included. SIDE EFFECTS. Because clinical trials are conducted under widely varying conditions, adverse reaction rates observed in the clinical studies of a drug cannot be directly compared to rates in the clinical studies of another drug and may not reflect the rates observed in practice. How to use AMLODIPINE BESYLATE-BENAZEPRIL. Read the Patient Information Leaflet if available from your pharmacist before you start taking this medicine. What form(s) does this medication come in? 5 mg Each light yellow, capsule-shaped, scored, film-coated tablet, with BE over 5 on one side, contains 5 mg of benazepril HCl. SIDE EFFECTS Clinical Trials Experience. Because clinical trials are conducted under widely varying conditions, adverse reaction rates observed in the clinical trials of a drug cannot be directly compared to rates in the clinical trials of another drug and may not reflect the rates observed in practice. Benazepril (Lotensin) is an oral medication used to treat high blood pressure. Learn about side effects, warnings, dosage, and more. Benazepril hydrochloride tablets, 5 mg are light yellow, round, biconvex, film-coated tablets imprinted with B1 in black ink on one side and plain on other side. Benazepril hydrochloride tablets, 10 mg are white to off-white, round, biconvex, film- coated tablets imprinted with B2 in black ink on one side and plain on other side.