Tonact Forte Tablet ER is a medicine used to treat high cholesterol. Tonact Forte Tablet ER is a combination of two medicines that reduce "bad" cholesterol (LDL) and triglycerides levels. It may also reduce the risk of future heart attack and stroke. Tonact Forte Tablet ER should be taken with food to avoid stomach upset. 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 low-fat diet, exercise and not smoking may help this medicine to work better.Stomach pain, diarrhea, indigestion, constipation, and headache are some common side effects of this medicine. Let your doctor know if you notice yellowing of skin, muscle pain or dark urine. You may be asked for regular monitoring of liver function or blood sugar level while taking this medicine.Before taking this medicine, tell your doctor if you have liver or kidney disease. You must tell your doctor if you are pregnant, planning pregnancy or breastfeeding. You should also let your healthcare team know all other medicines you are taking as they may affect, or be affected by this medicine.