IgA nephropathy is a relatively common clinical type of disease, the main clinical manifestation is the emergence of hematuria synchronized with pharyngitis, after the diagnosis of IgA nephropathy, in the regular drug treatment, if the combination of cold and flu, then first of all, you need to go to the hospital to review the urine routine, urinary protein quantitative, to see if there is no exacerbation of the disease, and at the same time, the choice of medication needs to be used to have less impact on the kidneys, for example, you can orally take Shuanghuanglian Oral Liquid or Lianhua Qingdian Capsules are antiviral drugs. Check the urine routine, blood routine, C-reactive protein these inflammatory indicators to assess the infection status, if there is a combination of bacterial infection, at the same time, you can choose cephalosporin or levofloxacin anti-infection treatment. After the infection of the cold is well, but also regularly to the hospital to check the urine routine, urine protein quantitative, kidney function, according to the results of the adjustment of drug treatment program.