Hello, this is Dr K.. Answers are not medical advice and do not constitute a doctor/patient relationship. I look forward to helping you today. Yes this can be part of Parkinsons disease. Patients commonly develop dysphagia or problems with coordinating swallowing. Food can remain in the esophagus or can be lodged in the airways or lungs. This may or may not be what is happening. People with swallowing problems can also have voice problems. Physical therapy can be helpful to help coordinate swallowing. I hope this helps to answer your question.