What is typically the first symptom of Crohn's disease?

Abdominal pain is often recognized as the first symptom of Crohn's disease because it can manifest early in the disease's onset as a result of inflammation in the gastrointestinal tract. This pain usually presents as cramping or discomfort, commonly occurring in the lower right abdomen, where the ileum (the last part of the small intestine) is located.

Individuals with Crohn's often experience various digestive symptoms due to the nature of the disease, which can affect any part of the gastrointestinal tract. While other symptoms, such as weight loss, fatigue, and fever, may develop as the disease progresses or during flare-ups, abdominal pain is particularly significant as it often prompts individuals to seek medical attention initially. This symptom is a direct reflection of the active inflammation that characterizes Crohn's disease and serves as a critical signal of the condition's presence.