According to the doctor's website, the urine of Wu Mei pills will turn yellow. Wu Mei Pill is an astringent, which contains the dye tannic acid, which is a natural dye and may cause temporary discoloration of urine. If you eat a lot of food rich in dye tannic acid, such as ebony, carambola, grapefruit, pomegranate and so on. Urine may be brown or pink. In addition, some drugs (such as sulfonamides, vitamin B, etc. ) can also cause urine to turn red.

Wu Mei Pill is a kind of Chinese patent medicine, and its main components are ebony, angelica, cinnamon, coptis, Evodia rutaecarpa and so on. It has the effects of soothing the liver, harmonizing the middle energizer and clearing the upper energizer, and is mainly used for treating dysuria, frequent micturition, urgency and dysuria.