Flux Drink is a western pharmaceutical preparation, the main ingredient of which is Pitomod. This medication is an immune booster, an immunostimulant that improves the body’s cellular immune function. For patients with low immunity, it is able to improve the ability to fight pathogens. First of all, it can be used in the case of recurrent infections of the respiratory system, repeated recurrence of bronchitis, bronchitis, rhinitis, sinusitis, otitis media, pharyngolaryngitis, tonsillitis and so on. Secondly, it can also be used as an adjunct to antimicrobial therapy in the case of acute infections. This drug has relatively few side effects for most patients. A very small number of patients may experience dizziness, nausea, vomiting, abdominal pain, diarrhea, which usually disappears after stopping taking the drug. It is contraindicated in patients who are allergic to the drug, as well as in women during the third trimester of pregnancy.