Ning Uitai and fever drench can generally be taken together, there is no obvious conflict pharmacologically, both can be used for the treatment of urinary tract infections caused by fever drench, but generally take one can be, the specific what adverse drug reactions, there is no clear study. The main ingredient of Ning Uitai is four seasons red, Bai Mao Gen, forsythia, hibiscus leaves, etc., with the efficacy of clearing heat and detoxification, diuresis and drenching, it can be used for the treatment of downstream urinary tract infections, chronic prostatitis and so on. The main ingredient of Fengyingqing is Polygonum cephalosporum, which has the effects of clearing heat and removing toxins, inducing diuresis and drenching, and reducing inflammation and analgesia, and can be used for treating urinary tract infections, yellowing of urine, prostatitis, and pyelonephritis. One of them is usually enough to be used, but there is no obvious pharmacological conflict when they are used together. The adverse reactions and contraindications of the two are not clear, should be taken under the guidance of a professional doctor, should not be taken without authorization, to avoid causing adverse reactions.