Gastroesophageal Reflux Disease (GERD): This is a common condition in infants, where stomach acid flows back into the esophagus, causing discomfort and potentially leading to choking episodes due to spit-up or vomiting.

Laryngomalacia: A condition where the tissues of the larynx are soft and floppy, which can cause partial airway obstruction, leading to choking or noisy breathing.
Tongue-Tie (Ankyloglossia): Although more commonly associated with feeding difficulties, in severe cases, it might contribute to choking episodes due to impaired coordination of swallowing and breathing.
Milk Allergy or Intolerance: An allergic reaction or intolerance to milk proteins can cause gastrointestinal symptoms, including vomiting, which might lead to a choking episode.

Foreign Body Aspiration: Although less common in infants who are not yet mobile, it's crucial to consider the possibility of an object being lodged in the airway, which is a medical emergency.
Congenital Heart Disease: Certain heart defects can lead to feeding difficulties, failure to thrive, and potentially choking episodes due to decreased cardiac output and increased pressure in the pulmonary circuit.
Pyloric Stenosis: A condition where the pylorus muscle is enlarged, blocking food from entering the small intestine, which can cause projectile vomiting and potentially lead to dehydration and electrolyte imbalances.

Esophageal Atresia or Tracheoesophageal Fistula: Congenital anomalies of the esophagus that can cause severe feeding difficulties and choking episodes. These conditions are typically diagnosed shortly after birth but could potentially present later if less severe.
Inborn Errors of Metabolism: Certain metabolic disorders can present with nonspecific symptoms, including feeding difficulties and vomiting, which might be mistaken for a choking episode.