Flowpent 400mg Tablet is used to treat peripheral vascular disease (poor circulation to the arms and legs) and intermittent claudication (pain on walking or at rest caused by poor circulation to the legs). It works by increasing the blood flow to the arms and legs. Flowpent 400mg Tablet reduces cramping in the legs that occur on walking in such patients. It also has beneficial effects in alcohol-related liver damage. This medicine should be taken regularly as advised by the doctor. You should take it with food and at a fixed time. You should never stop it abruptly without consulting the doctor. This medicine is only one part of a treatment program which should also include a healthy diet, regular exercise, and smoking cessation. It may cause side effects like nausea, vomiting, diarrhea, headache, flushing (sense of warmth in the face, ears, neck, and trunk), and weakness. This medicine may not be suitable for some people. You must inform the doctor if you are suffering from any liver or kidney disease. Also, let your doctor know about all the other medications that you are using regularly. This medicine is not usually recommended during pregnancy or breastfeeding, so always consult your doctor before taking it.