Emetant Capsule is a medication often used to manage nausea and vomiting, which can occur during cancer treatment. The duration of its effects can vary depending on factors such as your age, overall health, and other medications you may be taking. Since you are 67 and a cancer patient, it is very important not to self-administer this medicine. Its safe use, dosage, and timing should be determined by your doctor or oncologist, who can consider your specific health condition and any ongoing treatments. Always consult a healthcare professional before taking Emetant to ensure it is safe and effective for you.