Parkinson’s disease (PD) is the second most common progressive neurodegenerative disease characterised by the loss of dopaminergic neurons in the substantia nigra pars compacta. Apart from the characteristic motor symptoms such as rigidity, bradykinesia, tremor, and postural instability, PD is characterized by nonmotor symptoms that include pulmonary complications and dysfunction. Although the symptoms of pulmonary complications have already been noted in the first description of PB, unfortunately, they are still unknown, insufficiently researched, and thus untreated. Patients with PD have a high risk of developing pulmonary complications due to the nature of the disease and the therapy used for treatment. Symptoms of respiratory dysfunction may be present from the early stages of PD, but usually, worsen as the disease progresses. These complications include dyspnoea, decreased cough efficacy, restrictive and obstructive disorders, hypoxia, hypercapnia, apnoea, aspiration pneumonia, and respiratory failure. The exact pathophysiological mechanism of pulmonary complications in patients with PD is unknown, but possible mechanisms include neurodegeneration, rigidity, bradykinesia, and impaired motor control. Pulmonary complications negatively affect the quality of life of patients with PD, limit physical activity, impair the symptoms, and are a common cause of hospitalisation of patients with PD. Furthermore, aspiration pneumonia is one of the most common causes of death in patients with PD. There are still no guidelines for the diagnosis and treatment of these complications.