Benazepril hydrochloride belongs to the class of drugs known as ACE inhibitors and is used in the treatment of congestive heart failure in dogs and also for treating chronic renal failure in cats. Benazepril hydrochloride is the trade name of generic lotensin HCT, which is a combination of lotensin and hydrochlorothiacide. The other names of generic lotensin include benazepril HCT and benazepril HCTZ. Benazepril Hydrochloride is a prescription medication, effective in the treatment of high blood pressure. This medication is known under the trade names of fortoker in the UK and lotensin in the USA. Administration of this medication is found to considerably reduce the blood pressure levels of dogs. Benazepril works as an inhibitor in the conversion of the hormone angiotensin I into angiotensin II, which in turn, constricts the blood vessels, thereby reducing the blood pressure. Benazepril dilates and relaxes the blood vessels thus enabling easier flow of blood through the blood vessels. It is available as tablets for oral administration. The ingredients include colloidal silico dioxide, crospovidone, hydrogenated castor oil, hypromellose, iron oxides, lactose, microcrystalline cellulose, polysorbate 80 etc.