In adults, the most common presenting symptoms are intermittent dysphagia and dyspepsia. 4, 5 In children, the presentation is more variable with symptoms such as regurgitation
[bjgp.org]
Adults manifest mainly with dysphagia as well as food avoidance, food impactions and intractable heartburn.
[orpha.net]
Symptoms may be chronic or intermittent, with some patients being completely asymptomatic during long periods.
[orpha.net]