Both whole citrus fruits and their juices can cause heartburn because they increase acid production in your stomach. Lemons and limes have the most citric acid of any fruit.

Can drinking lemon water cause acid reflux?

Drinking lemon water has its benefits, but in excess, it can cause some damaging side effects. Too much lemon water can also lead to tooth decay, heartburn, and other reflux-related symptoms.

What are the side effects of drinking lemon water?

Drinking lemon water regularly can cause enamel erosion or tooth decay because of the acid in the citrus fruit. Too much lemon water can also lead to heartburn, nausea, vomiting, and other gastroesophageal reflux symptoms.