Taking furazolidone tablets urine is very yellow may be caused by drug staining, may also be caused by digestive discomfort, jaundice and other adverse reactions. 1. drug staining: because the nature of this drug is yellow tablets, so some patients taking furazolidone tablets will appear after the phenomenon of very yellow urine, belong to the normal drug metabolism results. 2. digestive discomfort: secondly, because furazolidone tablets can cause nausea, vomiting, diarrhea and other digestive discomforts, if not dealt with in time, resulting in excessive loss of body fluids, there will be a concentration of urine, yellow urine, which can be manifested as taking furazolidone tablets urine is very yellow. 3. Jaundice: In addition, some patients may cause jaundice after taking furazolidone tablets, resulting in yellow staining of the sclera, skin and body fluids, so patients will have the phenomenon of eating furazolidone tablets with very yellow urine. In addition to the above reasons, very yellow urine may also be caused by drinking too little water, acute pyelonephritis, chronic renal insufficiency and other reasons. It is recommended that patients with yellow urine after taking furazolidone tablets go to the hospital in time to clarify the specific causes, and cooperate with the doctor for active treatment if necessary.