There are many medications containing selenium, such as selenium yeast tablets, selenium yeast suspension, and sodium selenite tablets, etc. Different medications have different effects, and the patient should make a choice of them with the help of the doctor. Selenium is an essential trace element within the human body and is related to the metabolism of the liver muscles. If the patient’s body lacks selenium, then there may be a variety of uncomfortable symptoms, such as hair loss, nail loss and aging, etc., and in serious cases, it may even lead to liver necrosis and other diseases. In this regard, patients can take drugs containing selenium to supplement selenium. Currently, there are many medications on the market that contain selenium, such as selenium yeast tablets, selenium yeast suspension, and sodium selenite tablets, etc. The most common of these is selenium yeast tablets, which can not only replenish selenium in a timely manner, but also make appropriate improvements to diseases caused by selenium deficiencies, such as Creutzfeldt-Jakob disease and so on. And selenium yeast suspension is more suitable for low selenium tumors, liver disease, cardiovascular and cerebrovascular disease patients or other low selenium-induced diseases, as for sodium selenite tablets, it can be used to prevent and control selenium-deficiency-induced diseases such as Creutzfeldt-Jakob disease, macroglossia, and so on. Patients are advised not to take medication on their own, but to go to the hospital for examination and then take the medication according to the doctor’s prescription. In addition, patients can eat more selenium-rich foods, such as rice, corn, seafood and eggs.