Oranges are highly acidic and can trigger acid reflux symptoms in some people. This includes all types of oranges, including navel oranges, Valencia oranges, and mandarins.
Grapefruits are even more acidic than oranges and can be particularly troublesome for individuals with acid reflux.
Lemons and lemon juice are highly acidic and can contribute to heartburn and irritation of the esophagus.
Limes, like lemons, are also very acidic and should be used sparingly or avoided if you have acid reflux.
Some citrus fruit varieties are less acidic than others. For example, some people find that Meyer lemons, which are sweeter and less acidic than regular lemons, are better tolerated.