Can a cold cause diarrhea?

May 28, 2022 Source: Cainiu Health
Dr. Liu Zhengxin
Introduction
Severe colds can cause diarrhea. Diarrhea associated with the common cold is primarily observed in gastroenteritis-type colds, which are mainly caused by the Coxsackievirus and often accompanied by mixed bacterial infection. Gastrointestinal colds are medically referred to as viral gastroenteritis. Key symptoms include abdominal distension, gastric pain, vomiting, and diarrhea. Patients may have multiple bowel movements per day and often experience fatigue.

Many people are undoubtedly familiar with the common cold—a routine and widespread illness. Moreover, the common cold can sometimes trigger other health conditions. So, can the common cold cause diarrhea?

Can the common cold cause diarrhea?

Yes, severe colds can lead to diarrhea. Diarrhea associated with colds is most commonly observed in cases of “gastrointestinal flu” (also known as viral gastroenteritis), primarily caused by the Coxsackievirus, often accompanied by secondary bacterial infection. Medically, gastrointestinal flu is also referred to as “vomiting and diarrhea syndrome.” Its hallmark symptoms include abdominal distension, gastric pain, vomiting, and diarrhea. Patients may experience multiple bowel movements per day and often feel fatigued. In severe cases, dehydration and electrolyte imbalances may occur, compromising immune function. Severe colds can impair the body’s immune system, leading to gastrointestinal dysfunction and subsequent diarrhea.

At this time, patients should pay close attention to their diet and consume foods that aid digestion. Rice porridge is especially suitable for individuals with colds: it helps replenish fluids lost due to illness, supports recovery of energy, imposes minimal burden on the digestive tract, and causes little irritation to the gastrointestinal system—making it an excellent dietary choice for those experiencing cold-related diarrhea.

Including garlic in the diet may also be beneficial for diarrhea patients. Allicin—the active compound in garlic—possesses natural antibacterial properties; consuming garlic helps eliminate harmful bacteria in the intestines and supports intestinal health. A few slices after meals are sufficient. Since diarrhea increases the risk of dehydration, drinking ample water is essential to prevent fluid loss. In severe cases, pharmacological treatment may be necessary. We hope this information proves helpful!


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