Patients with kidney disease can develop a cough: 1. Patients with kidney disease, especially those with renal failure, have a complete loss of kidney function to produce urine and excrete urine, excess water cannot be removed from the body, so water and sodium retention occurs, and complications such as pulmonary edema and cardiac failure occur. If patients with renal failure develop cardiac insufficiency with pulmonary edema, patients can develop a cough, coughing pink foamy sputum and other symptoms. It is to diuretic and decongestant treatment, if necessary, hemodialysis and other treatments can be carried out to shed excess water. 2, kidney disease patients due to lower body protein, so immunity, resistance is low, easy to complicate respiratory infections and other diseases, if kidney disease patients appear respiratory infections, can appear cough, cough and other symptoms, give antibacterial, anti-inflammatory, cough treatment.