Fenoxene Capsule is a medicine used to treat high blood pressure associated with tumor of the adrenal glands called Pheochromocytoma. Lowering blood pressure helps to prevent future heart attack and stroke. Fenoxene Capsule may be taken with or without food. However, try to take it at the same time each day to get the most benefit. It is important to continue taking it regularly even if you feel well or if your blood pressure is controlled. Most people with high blood pressure do not feel ill, but if you stop taking this medicine, your condition could get worse.Making some changes in your lifestyle will also help lower your blood pressure. These may include regular exercise, losing weight, smoking cessation, reducing alcohol intake, and reducing the amount of salt in your diet as advised by your doctor. This medicine is tolerated well by most patients but it has few side effects also. Some patients may experience dizziness and sudden lowering of blood pressure on standing. Other side effects include nausea, vomiting, nasal congestion, ejaculation disorder, and increased heart rate. Let your doctor know if these side effects bother you or do not go away.Before taking this medicine, let your doctor know if you have any heart or kidney disease. Pregnant or breastfeeding mothers should also consult their doctor before taking it. Your doctor may check your kidney function, and blood pressure at regular intervals while you are taking this medicine.