Is It Gastroenteritis or Appendicitis? Your Abdominal Pain - Gastroenterology and Hepatology

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Could you please clarify whether this is gastroenteritis or appendicitis?


On November 17th, around 5:40 PM, I started feeling abdominal pain (near the area below the navel) on my way home from work.
By about 6:15 PM, the pain had spread around the navel, and it was severe enough that I wanted to ask passersby for a seat.
I registered at a nearby clinic, where the doctor suggested that I might have contracted viral gastroenteritis.
I was prescribed antibiotics, pipetoFC, Gaslan 40mg Dimethyl, and Bismuth for oral administration, and I received an anti-inflammatory injection on-site.
By around 11 PM, my condition had improved significantly.
As of today, when I press on my lower right abdomen, there is slight rebound tenderness, but I do not experience pain when performing the single-leg jump test as mentioned online.
My temperature has been measured between 36.7 and 37 degrees Celsius, and I have no other unusual symptoms.
Could this be appendicitis or something else?

A-Zheng, 0~9 year old female. Ask Date: 2023/11/19

Dr. Chen Shidian reply Gastroenterology and Hepatology


(The patient is only 7 years old?) The symptoms of the two conditions overlap/similar, so careful observation of changes is necessary, and it may require two visits to fully differentiate them.

Reply Date: 2023/11/19

More Info


When it comes to abdominal pain, particularly in the lower right quadrant, distinguishing between gastroenteritis and appendicitis can be challenging but crucial. Based on your description, it seems you experienced a sudden onset of pain around the umbilical area, which then spread to the surrounding regions. This pattern is often associated with appendicitis, especially if the pain intensifies over time and is accompanied by other symptoms such as fever, nausea, or vomiting.

Gastroenteritis, commonly referred to as stomach flu, typically presents with symptoms such as diarrhea, vomiting, and abdominal cramps. It is often caused by viral or bacterial infections and can lead to dehydration if not managed properly. The treatment usually involves hydration and, in some cases, antibiotics if a bacterial cause is suspected. Your initial treatment with antibiotics and anti-inflammatory medication suggests that your doctor was considering a possible infection, which aligns with gastroenteritis.

However, the fact that you experienced rebound tenderness in the right lower abdomen is significant. Rebound tenderness is a clinical sign that may indicate peritoneal irritation, which can occur in appendicitis. The absence of pain during the single-leg jump test is reassuring, as this test is often used to assess for appendicitis, but it does not completely rule it out.

Given that your temperature remained within normal limits and you did not exhibit severe symptoms like high fever or persistent vomiting, it is possible that your condition may lean more towards gastroenteritis rather than appendicitis. However, the presence of rebound tenderness warrants careful monitoring. Appendicitis can sometimes present with atypical symptoms, especially in adults, and can progress rapidly.

Here are some key points to consider:
1. Symptoms Monitoring: Keep an eye on your symptoms. If you experience worsening pain, fever, persistent vomiting, or any new symptoms such as changes in bowel habits, it is crucial to seek medical attention immediately.

2. Follow-Up: Since you have already seen a doctor, it would be wise to follow up with them or a gastroenterologist if your symptoms do not resolve or if they worsen. They may recommend further imaging studies, such as an ultrasound or CT scan, to rule out appendicitis or other abdominal conditions.

3. Hydration and Diet: Ensure you stay hydrated, especially if you are experiencing gastrointestinal symptoms. Gradually reintroduce bland foods as tolerated, and avoid heavy or greasy meals until you feel better.

4. Rest: Allow your body to recover. Rest is essential when dealing with any form of gastrointestinal distress.

5. Emergency Signs: Be aware of signs that require immediate medical attention, such as severe abdominal pain, inability to keep fluids down, or signs of dehydration (such as dizziness, dry mouth, or decreased urination).

In conclusion, while your symptoms may suggest gastroenteritis, the presence of rebound tenderness in the right lower quadrant cannot be ignored. It is essential to remain vigilant and seek further medical evaluation if your condition does not improve or if new symptoms arise. Your health and well-being are paramount, and timely intervention can make a significant difference in outcomes.

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