What are the possible causes and treatments for a cat producing excessive mucus from its mouth?

Possible causes of a cat producing excessive mucus from its mouth include respiratory infections, Allergies, dental issues, or foreign objects stuck in the throat. Treatment may involve antibiotics for infections, antihistamines for allergies, dental cleaning for dental issues, or removal of foreign objects by a veterinarian. It is important to consult a veterinarian for a proper diagnosis and treatment plan.