A hernia in the stomach area typically feels like a small, soft bulge that appears between your belly button and chest, often accompanied by a dull ache or burning sensation that gets worse when you strain, bend over, or lift something heavy. Some hernias cause no pain at all and are only noticed as a visible lump. Others produce symptoms that mimic acid reflux or indigestion, making them tricky to identify on your own.
The term “stomach hernia” can refer to a few different things: an epigastric hernia (a bulge in the upper abdominal wall), an umbilical hernia (near the belly button), or a hiatal hernia (where part of the stomach pushes up through the diaphragm into the chest cavity). Each feels different, and knowing which symptoms match which type can help you figure out what’s going on.
What an Abdominal Wall Hernia Feels Like
Epigastric hernias, the type that pokes through the muscle wall between the belly button and the breastbone, often show up as a small lump you can see or feel under the skin. Most are tiny, less than half an inch across (about the size of a staple). Larger ones can reach the size of a walnut and create a noticeable bulge.
The lump may feel soft and slightly squishy. In many cases, you can gently push it back in with your fingers, and it flattens when you lie down. But when you stand up, cough, sneeze, or bear down, increased pressure inside your abdomen pushes the tissue back out. Some people describe the sensation as a pulling or tugging feeling in the upper belly, especially during physical effort. Others feel nothing at all and only discover the hernia by accident while showering or getting dressed.
Pain from these hernias tends to be mild and achy rather than sharp. It often gets worse after eating a large meal, during exercise, or when lifting. The discomfort usually sits right at the site of the bulge, though hernias can also put pressure on nearby nerves and send pain radiating into the back.
Hiatal Hernia Symptoms Feel Different
A hiatal hernia is invisible from the outside. Instead of a bulge you can touch, it happens internally when part of the stomach slides upward through the opening in your diaphragm. These are remarkably common, affecting an estimated 15% to 20% of adults in Western countries. More than 95% are the sliding type, and the majority of those cause no symptoms whatsoever.
When a hiatal hernia does cause symptoms, it feels a lot like chronic heartburn or gastroesophageal reflux. The most common sensations include:
- Burning in the chest or upper belly, especially after eating or when lying down
- Feeling full unusually fast during a meal, even after eating very little
- Acid or food coming back up into the throat or mouth (regurgitation)
- Trouble swallowing, as if food is getting stuck on the way down
- Chest pressure or pain that can be mistaken for a heart problem
- Shortness of breath, particularly after meals
Because there’s no visible lump, many people live with a hiatal hernia for years without realizing it. The symptoms tend to flare at night or when bending forward, since both positions make it easier for stomach acid to flow upward. Roughly half of people with the larger, more complex types of hiatal hernia still have no symptoms at all.
What Makes the Pain Worse
Hernia symptoms follow a predictable pattern tied to pressure inside your abdomen. Anything that increases that pressure can make a hernia bulge further or hurt more. Standing for long periods, coughing, straining on the toilet, jumping, and lifting heavy objects are the most common triggers. For hiatal hernias specifically, large meals, spicy or fatty foods, alcohol, and lying flat within a few hours of eating tend to intensify the burning and regurgitation.
Many people notice their symptoms improve when they lie down (for abdominal wall hernias, the bulge often disappears) or when they avoid heavy lifting. For hiatal hernias, the opposite is true: lying flat makes reflux worse, while sitting upright or elevating the head of the bed helps.
Pain That Spreads Beyond the Belly
Hernia pain doesn’t always stay where you’d expect. Because hernias can press on surrounding nerves and tissues, the discomfort can radiate to other parts of your body. Back pain is one of the more common referred symptoms, particularly in the mid or lower back. Some people with hiatal hernias also feel pain between the shoulder blades or a persistent sore throat from acid exposure. Chest pain from a hiatal hernia can feel alarming because it overlaps with the symptoms of a heart attack, which is why new or unexplained chest pain always warrants evaluation.
How a Hernia Is Found
For abdominal wall hernias, the diagnosis is usually straightforward. A doctor will examine you while you’re standing, since hernias are often invisible when you’re lying on an exam table. You’ll likely be asked to cough or bear down (a technique called the Valsalva maneuver), which temporarily raises abdominal pressure and makes the bulge pop out so it can be felt. If the hernia is very small or deep, imaging like an ultrasound or CT scan can confirm it.
Hiatal hernias are typically discovered during an upper endoscopy or a barium swallow X-ray, often while investigating heartburn or swallowing problems. Many are found incidentally during imaging done for something else entirely.
When a Hernia Becomes Dangerous
Most hernias are uncomfortable but not dangerous. The exception is a strangulated hernia, which happens when tissue gets trapped in the muscle opening and its blood supply gets cut off. This is a medical emergency.
The warning signs are distinct from everyday hernia discomfort. A strangulated hernia causes sudden, severe pain in the abdomen or groin that doesn’t ease up and steadily gets worse. Nausea and vomiting often follow. The skin over the bulge may change color, first turning red, then darkening. The lump becomes firm, tender, and won’t push back in no matter what position you try.
If you notice a hard, painful bulge with skin color changes and vomiting, that combination needs emergency care. Strangulated hernias require surgery to restore blood flow before the trapped tissue dies.
Living With a Hernia That Doesn’t Need Surgery
Small, painless hernias often need nothing more than monitoring. Your doctor may recommend a “watchful waiting” approach, checking the hernia periodically to see whether it’s growing or starting to cause problems. For hiatal hernias with reflux symptoms, acid-reducing medications and lifestyle changes (eating smaller meals, not lying down after eating, sleeping with the head elevated) can manage the discomfort effectively for years.
Avoiding heavy lifting reduces stress on the abdominal wall. When you do need to lift, using your legs rather than bending at the waist puts less pressure on the area. Maintaining a healthy weight also helps, since excess abdominal fat increases the force pushing against weak spots in the muscle wall.
Surgery becomes a consideration when a hernia causes persistent pain that interferes with daily life, keeps growing, or shows signs of becoming trapped. For abdominal wall hernias, repair is a relatively routine procedure. Recovery typically takes a few weeks, with restrictions on lifting during that time. Hiatal hernia repair is less common and generally reserved for large hernias or cases where reflux can’t be controlled with medication.