Disclaimer: This article is translated with the assistance of AI.
The abdominal cavity houses various organs, including digestive ones (stomach, large and small intestines, liver, gallbladder, etc.), gynecological ones (uterus, ovaries, etc.), and urinary ones (bladder, ureters, etc.). When issues arise in these abdominal organs, they can trigger pain sensations. Since abdominal nerves aren’t as sensitive as those in the skin, pinpointing the exact source can be tricky sometimes. Common causes of abdominal pain include organ inflammation, infections, cancer, tumors, ischemia, and blockages.
Problems with different organs can lead to varying levels of pain in different spots, such as Appendicitis , Gallstones , cholecystitis, pancreatitis, intestinal obstruction, and other abdominal conditions, each with unique symptoms.
Different conditions can cause various types and intensities of pain—some hit suddenly with sharp agony, others come and go like a nagging ache, and they can be intermittent or constant. Plus, each illness has its own set of symptoms, like nausea, vomiting, fever, or diarrhea.
| Condition | Type or Sensation of Pain | Other Symptoms |
| Gastroenteritis | Colicky pain | Acid reflux, nausea, vomiting, diarrhea, fever, headache, belching, etc. |
| Gastric/Duodenal Ulcer | Dull pain, burning, or discomfort | Vomiting blood, bloody stools |
| Gallbladder Stones | Colicky pain, occurring 30 minutes to an hour after meals | Pain under the breastbone, severe right shoulder pain, nausea, vomiting |
| Cholecystitis | Starts as intermittent pain, becomes constant with noticeable tenderness or bloating | Fever, nausea, vomiting, loss of appetite |
| Pancreatitis or Pancreatic Cancer | Persistent pain that gradually intensifies | Stomach and back pain, nausea, vomiting |
| Appendicitis | Pain starts in the upper middle abdomen or around the navel, shifts to the lower right abdomen; worsens with coughing or movement | Fever, diarrhea, vomiting |
| Irritable Bowel Syndrome | Colicky pain | Abdominal pain, diarrhea, constipation |
| Cardiac Conditions, such as Myocardial Infarction , Diabetes , High Blood Pressure , etc. | Dull, stabbing, or vague pain | Shortness of breath, belching, nausea |
| Urinary System Conditions, such as Kidney Stones, Urethral or Bladder Stones | Stabbing and severe pain, intermittent, occurring every few minutes to half an hour | Blood in urine, painful urination, inner thigh pain |
| Gynecological Conditions | Lower abdominal pain | Irregular menstruation, chronic menstrual pain |
Doctors assess issues based on pain location and intensity. Check out this handy 9-grid abdomen chart for reference:
| Location | Possible Pain Sensations | Possible Diseases |
| Right Upper Abdomen | Back pain | Gallstones, cholecystitis, cholangitis, pneumonia, etc. |
| Right Flank | Intermittent pain, occurring every few minutes to half an hour, spreading from abdomen to lower body | Colitis, diverticulitis, kidney stones, nephritis, etc. |
| Right Lower Abdomen | Persistent pain in right lower abdomen | Appendicitis, ovarian torsion, ectopic pregnancy, etc. |
| Upper Abdomen | Intermittent gripping pain, cramping, back pain | Gastritis, gastric/duodenal ulcer, ruptured abdominal aortic aneurysm, gallstones, pancreatitis, heart disease, etc. |
| Central Abdomen | Intermittent gripping pain, cramping | Gastroenteritis, early appendicitis, ruptured abdominal aortic aneurysm, etc. |
| Lower Abdomen | Pain spreading from abdomen to lower body and inner thighs | Urinary stones, urethritis, uterine fibroids, menstrual cramps, etc. |
| Left Upper Abdomen | Intermittent gripping pain, cramping | Gastritis, gastric/duodenal ulcer, pancreatitis, etc. |
| Left Flank | Intermittent pain, occurring every few minutes to half an hour, spreading from abdomen to lower body | Colitis, diverticulitis, kidney stones, nephritis, etc. |
| Left Lower Abdomen | Persistent pain in left lower abdomen | Colitis, diverticulitis, ectopic pregnancy, etc. |
Different diseases come with varying pain levels and symptoms—if you’re feeling off, see a doctor pronto for proper diagnosis.
The doctor will first ask the patient some basic information, such as when the pain started, the form of onset, intensity, timing, and location, and arrange further examinations based on the results.
Blood tests are not a common diagnostic method for abdominal pain, but they can check electrolytes and creatinine in the blood to help determine the condition.
Using gastroscopy to directly observe lesions in the stomach and take biopsy samples from the affected tissue to check the cause of abdominal pain. Before the examination, the doctor will inject a gastrointestinal relaxant, then administer an anesthetic to the patient’s throat, and finally insert the endoscope through the mouth into the upper digestive tract for observation.
Through colonoscopy , the doctor can observe intestinal lesions more closely, perform biopsies if needed, and remove polyps, allowing for a more effective assessment of the causes of abdominal pain.
If the pain isn’t too severe, you can try these home remedies to ease it:
While painkillers can provide temporary relief, they’re not the best long-term solution. To avoid delaying diagnosis and treatment, which could worsen the condition, if home remedies don’t help, seek medical attention promptly and avoid taking painkillers indiscriminately.
Abdominal pain during pregnancy can stem from various causes. Common factors include:
If abdominal pain occurs, pregnant women can try resting appropriately and maintaining regular bowel movements. If the pain shifts from intermittent to regular contractions, or intensifies, it might signal labor—head to the hospital promptly for medical advice.
Baby abdominal pain could be due to colic or intussusception:
| Common Age | Causes | |
| Colic | Under 4 months old | The baby’s intestinal walls are developing, prone to tangling from rapid peristalsis, causing cramping pain and bloating |
| Intussusception | 3 months to 2 years old | Often occurs during vigorous activity or eating while playing, where one part of the intestine telescopes into another |
For colic, symptoms usually ease after passing gas. If the condition persists and worsens, it could indicate a more serious pediatric issue like intestinal obstruction—contact a doctor quickly for a thorough check-up.
If the pain lasts just a few seconds or minutes, you don’t need to rush to the hospital. However, if it’s persistent and accompanied by cold sweats, nausea, vomiting (including vomiting blood or coughing blood), black stools, bloating, chest pain, or arm pain—and meds don’t help—seek medical attention promptly for checks.
Studies show that 12.7% of COVID patients still have the virus in their gastrointestinal tract 4 months post-infection, which may cause abdominal pain.
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