Can antacids cause side affects

Yes, antacids can cause side effects, particularly when used excessively. Common side effects include constipation or diarrhea, depending on the active ingredients (e.g., magnesium can cause diarrhea, while aluminum can cause constipation). Additionally, overuse may lead to an imbalance in electrolytes or affect the absorption of certain medications. It's important to use antacids as directed and consult a healthcare provider if side effects occur.