Coffee And Canker Sores. Like everything else up to this point, strawberries are—you guessed it—slightly acidic, which is why you should avoid them if you’re prone to developing canker sores. Your blender is your friend.
Possible triggers for canker sores include: Avoid or limit your intake of spicy foods, acidic fruits, and other acidic drinks (e.g., coffee and fruit juices) take a multivitamin every day; Canker sores can be triggered by a shift in hormones, especially during menstration.
