A course of splenamin is usually about 15 days, but it should be taken under the guidance of a doctor according to your condition. It can regulate the function of immune system, improve the immunity of the body and anti-cancer effect, and is often used in the treatment of cellular immune deficiency, immunodeficiency and autoimmune disorder. The effect time of Splenamin is different from person to person, generally it takes 1-3 months to work, and a course of treatment is about 15 days. If you experience any adverse reactions such as fever or rash, you should stop using it in time. In serious cases, you should consult the emergency department or the department that prescribes this drug to identify the cause and adjust the medication under the guidance of the doctor. During the period of taking splenamin, pay attention to ensure enough sleep, strengthen physical exercise, and avoid eating spicy, fatty, fried, cold, salty, acidic or hard food, so as not to affect the effect of splenamin.