When Diarrhea Isn't Just a Stomach Bug

Did you recently spend more time than you would have liked to be close to the bathroom door?

Diarrhea is a common ailment, often caused by bacteria, viruses, or parasites, and characterized by loose, watery stools two or more times per day. It occurs when the digestive system moves waste through the intestines too quickly or when the colon cannot absorb enough fluid.

However, when diarrhea persists for more than two weeks and is accompanied by other symptoms, it may indicate an underlying condition that requires medical care.

Want to learn more about it? Our experts at Carolina Digestive Health Associates explain when diarrhea should be evaluated by a medical provider and what underlying conditions may be responsible.

Blood in the stool

Whether bright red or dark, blood in the stool can indicate inflammation, infection, or structural damage to the tissues. Bright red blood is an indicator of a problem in the lower digestive tract, while dark blood is an indicator of a problem located in the upper digestive tract.

Unexplained weight loss

Ongoing diarrhea that leads to weight loss may indicate celiac disease, lactose intolerance, or simply an inability to absorb nutrients. Over time, not being able to absorb nutrients can cause serious deficiencies and indicate chronic inflammation.

Nocturnal symptoms

A stomach virus is rarely the cause of sleep disruptions. If diarrhea regularly wakes you during the night, it may point to an underlying digestive disease rather than a temporary illness.

Persistent fever or severe abdominal pain

While mild fever can occur with infections, a high fever accompanied by significant abdominal pain may signal a more serious infection or inflammatory condition.

Signs of dehydration

Do you often see yourself drinking more water than usual? Do you experience dry mouth, dizziness, or dark urine? Dehydration is not only about water content; it’s also about electrolytes, which, once flushed and not replenished, can cause irregular heartbeat and confusion.

When to see a specialist

Short-term diarrhea is usually caused by infections or contaminated food. But when symptoms persist, they may be related to underlying digestive conditions, including:

• Malabsorption syndromes (celiac disease and lactose intolerance)
• Inflammatory conditions (Crohn’s disease and ulcerative colitis)
• Functional digestive disorders

Left untreated, these conditions not only prolong your diarrhea but can also cause nutritional deficiencies and permanent damage to your digestive system. If your symptoms persist, get peace of mind by contacting us to schedule an appointment at one of our offices in Belmont and Charlotte, North Carolina. 

A gastroenterologist may recommend tests such as stool studies, blood tests, imaging, or a colonoscopy to determine the cause of persistent symptoms and guide appropriate treatment.