What are most common causes of backcountry diarrhea in novice campers?

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Food and Waterborne Illnesses Food and waterborne illnesses are a common cause of diarrhea among novice campers. Consuming undercooked or raw meats such as ground beef, pork, or chicken can lead to food poisoning from bacteria like E. coli, Salmonella, or Campylobacter. To minimize the risk of foodborne illness, make sure to cook meat to an internal temperature of at least 165°F (74°C) and avoid consuming raw or undercooked meat.
Hydration and Digestive Issues Drinking untreated water can also lead to diarrhea in novice campers. Waterborne pathogens like Giardia, Cryptosporidium, and E. coli can be present in untreated water sources. To avoid this issue, use water purification tablets or filters to treat water before consumption. Additionally, drinking enough water to stay hydrated is essential for digestive health. Aim to drink at least 8-10 cups (64-80 ounces) of water per day.
Other Contributing Factors Other factors such as high-sugar, high-dairy, or high-spice foods can also contribute to diarrhea in novice campers. These types of foods can be difficult to digest, especially in the wilderness where access to medical care may be limited. To minimize the risk of digestive issues, stick to simple, high-calorie foods such as energy bars, nuts, and dried fruits. Avoid consuming foods that are high in sugar, dairy, or spice, and opt for bland foods like crackers, bread, or plain rice.