Canine blood pressure disease and heart problems can be treated or moderated by Enalapril for dogs. Enalapril is a prescription medicine that is effective at lowering elevated blood pressure and addressing other problems related to constricted arteries and blood vessels. Enalapril maleate for dogs is an effective drug that treats heart failure, high blood pressure, and sometimes kidney disease. Like any drug, it can create unwanted side effects. Most are minor and temporary, but it's important to recognize and act on more serious reactions like fainting or bleeding. Commonly reported side effects of enalapril include: increased blood urea nitrogen and increased serum creatinine. Other side effects include: hypotension. See below for a comprehensive list of adverse effects. Side effects other than those listed here may also occur. Talk to your veterinarian about any side effect that seems unusual or bothersome to the animal. Talk to your veterinarian about any side effect that seems unusual or bothersome to the animal. SIDE EFFECTS. VASOTEC has been evaluated for safety in more than 10,000 patients, including over 1000 patients treated for one year or more. VASOTEC has been found to be generally well tolerated in controlled clinical trials involving 2987 patients. Enalapril maleate is a medication that's used to control certain types of heart problems in dogs. Most pets suffering from mild to severe heart failure benefit from this medication. Enalapril is an ace inhibitor used to treat minor to severe heart failure in dogs and cats. Come to petMD for a complete list of pet medications and prescriptions. For people taking enalapril, a cough is one of the common side effects that may occur. Like other angiotensin-converting enzyme (ACE) inhibitors, taking enalapril can result in a chronic dry cough. Enalapril is an ACE inhibitor. ACE stands for angiotensin converting enzyme. Enalapril is used to treat high blood pressure (hypertension) in adults and children who are at least 1 month old. Side Effects Of Enalapril For Dogs (Picture Credit: Getty Images) There are several potential side effects that have been observed in dogs that take enalapril that range from mild to serious.