Lotensyl AT Tablet is a medicine used to treat hypertension (high blood pressure). This combination medicine controls blood pressure when a single medication is not effective. By lowering the blood pressure, it helps in preventing future heart attack and stroke. Lotensyl AT Tablet is a medicine used to treat hypertension (high blood pressure). It is a combination of two medicines that effectively controls blood pressure when a single medication is not effective. By lowering the blood pressure, it helps in preventing future heart attack and stroke. This medicine should be taken regularly without food at a fixed time each day. This medicine should not be stopped abruptly as it may result in sudden increase of blood pressure. This medicine should be used along with a proper diet, salt and high fat food restriction, and regular exercise for best results.