Bengreat 4 Tablet is used to treat high blood pressure and angina-pectoris (chest pain). It contains Benidipine which works by relaxing the blood vessels, making it easier for the heart to pump blood throughout the body. In some cases, this medicine may cause side effects such as fatigue, sleepiness, flushing, headache, dizziness, nausea, swelling, and abdominal pain. Inform the doctor if you are pregnant or breastfeeding, taking any other medication, or have any pre-existing medical conditions.