Achalasia symptoms generally appear gradually and worsen over time. Signs and symptoms may include: 
Inability to swallow (dysphagia), which may feel like food or drink is stuck in your throat
Regurgitating food or saliva
Heartburn
Belching
Chest pain that comes and goes
Coughing at night
Pneumonia (from aspiration of food into the lungs)
Weight loss
Vomiting
