The symptoms of achalasia come on gradually. They may take years to progress.
Symptoms can include:
Difficulty swallowing solid food. Swallowing liquids is not affected in the early stages.
Regurgitation or vomiting of undigested food
Chest pain, discomfort, or fullness under the breastbone, especially following meals
Difficulty swallowing solids and liquids (late in the illness)
Weight loss (late in the illness)