Listril 25 Tablet 15s is prescribed to treat high blood pressure heart failure and improve survival after a heart attack Lisinopril an ACE inhibitor relaxes blood vessels lowering blood pressure and reducing the hearts workload By inhibiting the ACE enzyme it prevents the production of a substance that tightens blood vessels It is important to follow the prescribed dosage and advice from a healthcare professional when using this medication If any adverse effects or concerns arise promptly consult a healthcare provider