Mycoplasma infection is quite common in clinical practice. After infecting the human body, it often causes pneumonia and mycoplasma pneumonia. So, is mycoplasma infection contagious? Yes, mycoplasma infection is contagious and generally transmitted through the respiratory tract. Patients spread mycoplasma-containing droplets into the air through coughing and sneezing, and it is contracted by others through inhalation. Therefore, it is important to actively treat the illness once infected to cure the disease and reduce its contagiousness.