There is no clear indication as to how long transfer factor capsules should be taken. However, clinically, depending on the condition, it is recommended to take ranging from 2 to 12 weeks, and need to strictly follow the doctor’s instructions for medication. The main ingredients of Transfer Factor Capsules mainly include amino acids, peptides and polynucleotides extracted from healthy pig spleens. Clinically, it can be used to assist in the treatment of herpes zoster, viral myocarditis, eczema, multiple infection syndrome and other diseases. It is prohibited for those who are allergic to the drug composition of Transfer Factor Capsules. Pregnant women, lactating women, children and the elderly need to be careful when taking it. At present there are no clear adverse drug reactions after taking the drug. People suffering from the above mentioned diseases need to take Transfer Factor Capsules under the guidance of a professional doctor. According to the severity of the disease, the medication should be used according to the doctor’s instructions, and it is recommended to take the medicine for about 2 to 12 weeks, according to the doctor’s instructions.