Cough and sneezes.
Difficulty to swallow.
Reflow and/or regurgitation of food.
Excessive production of foam or slime.
Difficulty to exercise, which manifests itself with tiredness.
Gums blue (cyanosis), which can denote a lack of oxygen in the blood.
Snoring or wheezing, even when there is no physical activity.
Syncope or faintingassociated with physical exertion, episodes of coughing or excitement.