what is the cause of extra frothy urine
Other causes. 1  We tend to forcefully pass out urine that is withheld for a long time. The force of the urine stream that hits the water can make the toilet bowl look foamy, thereby suggesting a case of frothy urine. 2  Removal of excess semen in a case of retrograde ejaculation can also cause frothy urine.
For example, kidney stones can cause smelly and frothy urine. Affected people may suffer from additional symptoms like pain when passing urine, pain in the sides, appetite loss, fatigue, exhaustion, increased urination, and hypertension, etc. It is important to consult a doctor for treatment of frothy urine caused by underlying kidney diseases.