Isohyd Tablet should be taken with food regularly at a fixed time each day. You should take it regularly at evenly spaced intervals as per the schedule prescribed by your doctor. Taking it at the same time every day will help you remember to take it. The dose and duration of treatment will depend on what you are being treated for. Do not stop taking it until you have finished the complete course, even when you feel better. Lifestyle changes like a low-fat diet, exercise, and not smoking may help this medicine to work better.