Most Lisinopril tablets can be cut in half, they are not extended release nor do they have protective coating. You may want to check with your pharmacist to be certain.
A word of caution, cutting tablets in half may result is less accurate doses. However, for a medication like lisinopril, cutting the tablet should not cause any problems for most people.
Check with you health care provider before cutting your tablets. There may be a lower strength that can save you time.
When taking this blood pressure medication it is a good idea to monitor your pressure on a regular basis and take those reading with you to your appointments.