For most adults taking lisinopril for high blood pressure, 20 mg is not considered a high dose. It’s better thought of as a standard, moderate maintenance dose that many people land on when a starter dose isn’t enough. This pink round pill with imprint LUPIN 20 on it has been identified as: Lisinopril 20 mg. This medicine is known as lisinopril. No, 20 mg of lisinopril is not a high dose. It falls at the low end of the usual maintenance range for adults with high blood pressure, which the FDA defines as 20 to 40 mg per day. Key takeaways People taking lisinopril are typically prescribed between 10–40 mg daily. Taking 20 mg of lisinopril is not considered a high dose, but you may still be at risk of side effects. Talk to your healthcare provider about any concerns you may have about your lisinopril dosage. Lisinopril is used alone or together with other medicines to treat high blood pressure (hypertension). High blood pressure adds to the workload of the heart and arteries. Lisinopril is used alone or in combination with other medications to treat high blood pressure in adults and children 6 years of age and older. Lisinopril is also used in adults to treat congestive heart failure and to improve survival after a heart attack. Learn about the side effects of lisinopril, from common to rare, for consumers and healthcare professionals. Lisinopril is a prescription generic medication used to treat high blood pressure (hypertension). Learn about side effects, drug interactions, dosages, warnings, and more. Lisinopril 20 mg treats high blood pressure, heart failure, and post-heart attack recovery. Learn how it works, its side effects, and what to watch for. Find patient medical information for Lisinopril (Prinivil, Zestril, and Others) on WebMD including its uses, side effects and safety, interactions, pictures, warnings, and user ratings.