Why do people fart when they pee?

When a person urinates, the abdominal pressure will increase, which can promote an increase in the amount of gas, and the parasympathetic nerves will be excited during urination, and an increase in the amount of gas can also occur.
1. Most people will use a little force when urinating, and the abdominal pressure will increase, which will result in increased gastrointestinal peristalsis and increased gas flow.
2. When urinating, the parasympathetic nerves will be excited, parasympathetic nerve excitement will promote gastrointestinal peristalsis increase, promote the bladder to tighten, so in addition to the increase in the volume of gas during urination and defecation, but also the phenomenon of defecation.
The above situations are mostly normal phenomena, no need to worry too much. When there is obvious discomfort, you need to actively consult a doctor, under the guidance of a professional physician to clarify the cause of the disease, and follow the doctor’s instructions for reasonable treatment.