Mycoplasma infection cough is not suitable for montelukast sodium. Montelukast sodium is a kind of leukotriene receptor antagonist, which has a better therapeutic effect on the common airway hyperreactivity and cough caused by allergic diseases. However, it does not have much effect on cough caused by mycoplasma infection, so mycoplasma infection is not suitable for taking montelukast. Mycoplasma infection is self-limiting, and most cases can be cured without treatment. The use of appropriate antibacterial drugs such as erythromycin and azithromycin can reduce symptoms and shorten the course of the disease. Cough caused by mycoplasma infection can be treated with oral cough suppressants such as cough syrup. When you find mycoplasma infection, it is recommended to go to the hospital in time, to clarify the cause of the disease, under the guidance of the doctor to carry out the treatment, not blindly use their own medication, so as not to cause adverse effects.