Overview
Appendicitis and gas pain can both cause abdominal discomfort, making initial symptoms difficult to distinguish. While gas pain typically moves around and can be relieved by passing gas, appendicitis usually begins near the belly button and moves to the lower right abdomen, becoming progressively more severe.
Disease Summaries
Appendicitis: Acute appendicitis happens when the appendix (a small, tube-like structure attached to a part of the colon) gets inflamed. This usually occurs because the appendix gets clogged with fecal material or calcium. The appendix swells with inflammation and becomes infected with gut bacteria. It can affect anyone and is most common in young adults.
Gas: This refers to a common digestive condition where excess air gets trapped in the digestive system, causing bloating, pain, and discomfort. The condition can be caused by swallowing air while eating, certain foods that produce gas during digestion, or underlying digestive disorders. While usually harmless, gas can cause significant discomfort and may be accompanied by burping, flatulence, and abdominal distention.
Comparing Symptoms
Overlapping Symptoms
- Abdominal discomfort
- Loss of appetite
- Nausea
- Bloating
Appendicitis Specific Symptoms
- Pain moving to lower right side of abdomen
- Pain worsening pain over hours
- Unable to pass gas
- Fever
- Rebound tenderness
Gas Specific Symptoms
- Pain that moves around
- Relief after passing gas
- Burping
- Related to specific foods
- Temporary discomfort
Treatment Approaches
Appendicitis Treatment Approaches
Treatment typically requires immediate surgical removal of the appendix (appendectomy), either through traditional open surgery or laparoscopic procedure. Antibiotics are administered before and after surgery to prevent infection. Recovery involves rest, gradual return to normal activities, and follow-up care to prevent complications.
Gas Treatment Approaches
Treatment focuses on dietary modifications to avoid gas-producing foods and improving eating habits to reduce air swallowing. Over-the-counter medications like simethicone can help break up gas bubbles. Lifestyle changes such as eating slowly, avoiding carbonated beverages, and regular exercise can help prevent excessive gas.
Reviewed By:

Kenji Taylor, MD, MSc (Family Medicine, Primary Care)
Dr. Taylor is a Japanese-African American physician who grew up and was educated in the United States but spent a considerable amount of time in Japan as a college student, working professional and now father of three. After graduating from Brown, he worked in finance first before attending medical school at Penn. He then completed a fellowship with the Centers for Disease Control before going on to specialize in Family and Community Medicine at the University of California, San Francisco (UCSF) where he was also a chief resident. After a faculty position at Stanford, he moved with his family to Japan where he continues to see families on a military base outside of Tokyo, teach Japanese residents and serve remotely as a medical director for Roots Community Health Center. He also enjoys editing and writing podcast summaries for Hippo Education.

Aiko Yoshioka, MD (Gastroenterology)
Dr. Yoshioka graduated from the Niigata University School of Medicine. He worked as a gastroenterologist at Saiseikai Niigata Hospital and Niigata University Medical & Dental Hospital before serving as the Deputy Chief of Gastroenterology at Tsubame Rosai Hospital and Nagaoka Red Cross Hospital. Dr. Yoshioka joined Saitama Saiseikai Kawaguchi General Hospital as Chief of Gastroenterology in April 2018.
Content updated on Mar 13, 2024
Following the Medical Content Editorial Policy
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Link to full study:
https://www.medrxiv.org/content/10.1101/2024.08.29.24312810v1References
Snyder MJ, Guthrie M, Cagle S. Acute Appendicitis: Efficient Diagnosis and Management. Am Fam Physician. 2018 Jul 1;98(1):25-33. PMID: 30215950.
https://www.aafp.org/pubs/afp/issues/2018/0701/p25.htmlWagner M, Tubre DJ, Asensio JA. Evolution and Current Trends in the Management of Acute Appendicitis. Surg Clin North Am. 2018 Oct;98(5):1005-1023. doi: 10.1016/j.suc.2018.05.006. Epub 2018 Jul 13. PMID: 30243444.
https://www.sciencedirect.com/science/article/abs/pii/S0039610918300707?via%3DihubMoris D, Paulson EK, Pappas TN. Diagnosis and Management of Acute Appendicitis in Adults: A Review. JAMA. 2021 Dec 14;326(22):2299-2311. doi: 10.1001/jama.2021.20502. PMID: 34905026.
https://jamanetwork.com/journals/jama/article-abstract/2787111