The right side of your abdomen contains several major organs, including the liver, gallbladder, appendix, right kidney, and portions of both the small and large intestine. When you feel pain or discomfort on your right side, the location (upper vs. lower) narrows down which organ is likely involved. Understanding what sits where can help you recognize what your body might be telling you.
Right Upper Abdomen: Key Organs
The upper right portion of your abdomen, roughly from your belly button up to your ribs, is home to some of the body’s largest and most metabolically active organs. The liver takes up most of this space, tucked under the right side of the rib cage. Just beneath the liver sits the gallbladder, a small pouch that stores bile used for digesting fats. The head of the pancreas, the upper curve of the large intestine (called the hepatic flexure), and the first section of the small intestine (the duodenum) also live here.
The right kidney sits toward the back of this area, closer to the spine than the front of your belly. Because of its position deep in the body, kidney problems often produce pain in the flank or back rather than the front of the abdomen, though it can radiate forward.
Right Lower Abdomen: Key Organs
Below the belly button on the right side, the most well-known resident is the appendix, a small finger-shaped pouch attached to the cecum, which is the very beginning of the large intestine. The cecum itself sits here, along with the final stretch of the small intestine (the ileum) and the ascending portion of the colon that travels upward toward the liver.
In women, the right ovary and right fallopian tube are also located in this region, sitting in the pelvis just below and behind the intestines. In men, the spermatic cord passes through this area on its way to the right testicle. The right inguinal canal, a small passage in the groin where hernias commonly develop, is also here.
Gallbladder Pain
The gallbladder is one of the most common sources of right-sided upper abdominal pain. When it becomes inflamed, a condition called cholecystitis, the pain is sudden and sharp, located just under the right rib cage. It often spreads toward the right shoulder. Unlike crampy stomach pain that comes and goes, gallbladder pain is persistent and typically does not fade within a few hours. Breathing deeply tends to make it worse.
Gallbladder attacks are frequently triggered by fatty meals, because the gallbladder contracts to release bile when fat enters the small intestine. If gallstones are blocking the duct, that contraction creates intense pressure and pain.
Appendicitis
Appendicitis follows a distinctive pattern that sets it apart from other causes of right-sided pain. It usually begins as a vague ache around the belly button, then migrates over the course of several hours to the lower right abdomen. The point of maximum tenderness, known as McBurney’s point, is located roughly halfway between the belly button and the bony prominence at the front of the right hip.
As the inflammation worsens, the pain intensifies with movement, coughing, sneezing, or deep breaths. Other symptoms include loss of appetite, nausea or vomiting, fever, and an inability to pass gas. The key feature is that the pain gets progressively worse over hours, not better. This progression from general to localized, worsening pain is what makes appendicitis a surgical emergency.
Kidney Stones
A kidney stone lodged in the right ureter (the tube connecting the kidney to the bladder) causes severe, sharp pain in the side and back below the ribs. As the stone moves downward, the pain shifts, often radiating into the lower abdomen and groin. Unlike the steady pain of gallbladder inflammation, kidney stone pain comes in waves, fluctuating in intensity as the ureter spasms around the stone.
Because the right kidney sits behind the abdominal organs, people sometimes mistake kidney stone pain for a problem inside the belly itself. The wave-like quality of the pain, combined with its location in the flank and back, helps distinguish it from issues with the intestines or appendix. Fever and chills alongside kidney pain can signal an infection, which needs prompt attention.
Liver Conditions
The liver itself doesn’t have many pain receptors, but the capsule surrounding it does. When the liver swells from inflammation or fat buildup, the stretched capsule produces a dull ache or feeling of fullness under the right ribs. Conditions that cause this include viral hepatitis, alcohol-related liver damage, toxic reactions to medications, and fatty liver disease (now formally called metabolic dysfunction-associated steatotic liver disease). The discomfort is usually less sharp than gallbladder pain, more of a persistent heaviness or pressure in the upper right abdomen.
Crohn’s Disease and the Ileocecal Region
The junction where the small intestine meets the large intestine, called the ileocecal region, sits in the lower right abdomen and is a common trouble spot for Crohn’s disease. The ileum is inflamed in roughly 80% of Crohn’s cases, and about one-third of cases involve both the ileum and colon with a preference for the right side. Chronic diarrhea, abdominal pain, fever, poor appetite, and weight loss are the most common initial symptoms.
In some cases, the inflammation mimics appendicitis so closely that the two are difficult to tell apart without imaging. A tender mass or feeling of fullness in the lower right abdomen can develop during flare-ups, particularly if an abscess forms.
Reproductive Organ Pain in Women
Right-sided lower abdominal pain in women can originate from the right ovary or fallopian tube. Ovarian cysts are fluid-filled sacs that form during the menstrual cycle and usually resolve on their own, but larger cysts can cause a dull ache or sharp pain on one side. If a cyst ruptures, the pain is sudden and intense.
More serious causes include ectopic pregnancy, where a fertilized egg implants in the right fallopian tube instead of the uterus, and ovarian torsion, where the ovary twists on its blood supply. Both produce severe, one-sided pelvic pain and require emergency care. Pelvic inflammatory disease, an infection of the reproductive organs, can also cause right-sided pain along with fever and unusual discharge.
Inguinal Hernias
Inguinal hernias occur when tissue, usually a loop of intestine, pushes through a weak spot in the abdominal wall near the groin. They develop on the right side more often than the left. The hallmark sign is a visible bulge in the groin area that may extend into the scrotum in men. The bulge often becomes more noticeable when you stand, cough, or strain, and may flatten out when you lie down.
Most inguinal hernias cause discomfort, heaviness, or a burning sensation rather than sharp pain. However, if the hernia becomes trapped (incarcerated) or its blood supply gets cut off (strangulated), the symptoms change dramatically: the bulge becomes firm, painful, and no longer pushes back in, and you may develop nausea, vomiting, fever, or redness over the area.
Warning Signs That Need Immediate Attention
Certain features of right-sided abdominal pain signal that something serious is happening. Pain so severe it prevents you from standing or functioning normally, pain paired with vomiting so intense you can’t keep liquids down, a rigid or board-like abdomen, or pain that starts near the belly button and migrates to the lower right while steadily worsening are all patterns that warrant emergency evaluation. A complete inability to pass stool or gas alongside escalating pain can indicate a bowel obstruction. If you’ve had prior abdominal surgery, adhesions (internal scar tissue) can create new sources of obstruction or pain that behave differently from previous episodes.