Peppercorn Sydney cough phlegm is not true. Peppercorns and sorbets are just food, there is no treatment of cough and phlegm caused by the primary disease (such as pneumonia, bronchiectasis, etc.), and there is no inhibition of cough, help phlegm symptomatic therapeutic effect, so peppercorns and sorbets can not stop coughing and phlegm. Cough phlegm is due to respiratory diseases such as pneumonia, bronchitis, bronchiectasis, tuberculosis, etc., this situation needs to be treated for these primary diseases, such as bacterial pneumonia need to use penicillin, amoxicillin, cefuroxime and other antibiotics; tuberculosis need to use isoniazid, rifampicin and other anti-tuberculosis drug treatment. If you have a cough and phlegm, you need to go to the hospital to identify the cause of the active treatment, pepper and sorbet cough phlegm claims are no scientific basis.