Which internal organs may cause vibration in perineum? the vibration happens when i am at laying position. no results of blood tests and paracetamol.

Intestine: What you are experiencing as vibration is likely to be the movement of gas in the intestine. A second possibility is muscular contraction of the pelvic muscles. Such a sensation is usually not a cause for concern. For good health - Have a diet rich in fresh vegetables, fruits, whole grains, low fat milk and milk products, nuts, beans, legumes, lentils and small amounts of lean meats. Avoid saturated fats. Exercise at least 150 minutes/week and increase the intensity of exercise gradually. Do not use tobacco, alcohol, weed or street drugs in any form. Practice safe sex.