medecode

Why Do I Have Diarrhea? Common Causes and What to Do Diarrhea is something almost everyone experiences at some point in life. It means having loose or watery stools more frequently than usual, and while it is often temporary, it can sometimes signal an underlying issue. If you’ve been asking yourself, “Why do I have diarrhea?” this guide will help you understand the most common causes and when to seek medical help. 1. Infections One of the most common causes of diarrhea is infection. Viral infections – such as norovirus or rotavirus. Bacterial infections – often linked to contaminated food or water (e.g., E. coli , Salmonella ). Parasitic infections – like Giardia from unclean water. 💡 These often cause sudden diarrhea, stomach cramps, fever, and nausea. 2. Food Intolerance or Sensitivity Your digestive system may not agree with certain foods. Examples include: Lactose intolerance (difficulty digesting milk sugar). Gluten sensitivity or celiac disease . ...