The Aprefos 150mg Injection contains Aprepitant in two different doses. It belongs to a class of medicines called NK1 Receptor antagonists. It is used in combination with other medicines to prevent nausea and vomiting caused by chemotherapy (cancer treatment) in adults and children twelve years and older. Do not take this medicine if you are allergic to this medicine or any of its other ingredients. Before taking the Aprefos 150mg Injection, it is important to inform your physician about all the medications you have been taking recently, including supplements and herbal medicines. Notify your doctor if you are planning a pregnancy or think you might be pregnant because this medicine is unsafe to use in such conditions. This medication may reduce the efficacy of hormonal contraceptives. Talk with your doctor about alternative birth control options. Before taking this capsule, inform your doctor if you have liver disorders because the liver is crucial in breaking down medicine. The doctor may, therefore, have to monitor the condition of the liver. Notify your doctor if you have had any allergic conditions or other diseases. Indigestion, tiredness, headache, hiccups, and loss of appetite are the common side effects of the Aprefos 150mg Injection. Talk to your doctor if you have an intolerance to some sugars, as this medication contains sucrose. Do not give this medicine to children under 12 years of age because the medication has not been studied in this population.