Is That a Lump? Why Your Xiphoid Process Hurts & Medically Approved Next Steps

If you've noticed a small lump at the bottom of your breastbone — and it feels tender, sore, or suddenly more noticeable — you're not alone. Many people discover their xiphoid process by accident and immediately worry something is wrong.

In most cases, this small structure is completely normal. But pain or swelling in the area can sometimes signal irritation, injury, or an underlying medical issue. Here's what you need to know — clearly and calmly — about the xiphoid process, why it may hurt, and what to do next.

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What Is the Xiphoid Process?

The xiphoid process is a small, pointed piece of cartilage (which often turns to bone in adulthood) located at the very bottom of your sternum (breastbone). You can usually feel it where your ribs meet in the center of your chest, just above the upper abdomen.

Key facts:

• It is the smallest part of the sternum.
• It starts as cartilage and typically hardens (ossifies) with age.
• Its size and shape vary from person to person.
• It serves as an attachment point for abdominal muscles and the diaphragm.

For some people, the xiphoid process sticks out slightly. For others, it curves inward. Both can be normal variations.

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Why Does the Xiphoid Process Hurt?

Pain in this area is sometimes called xiphodynia or xiphoid syndrome. It's not very common, but it is recognized in medical literature.

Here are the most common reasons your xiphoid process may hurt:

1. Inflammation (Xiphodynia)

This is irritation or inflammation of the xiphoid process and surrounding tissues.

Symptoms may include:

• Localized tenderness when you press on it
• Sharp or dull pain in the lower chest
• Pain that worsens with bending, twisting, or heavy lifting
• Discomfort that may radiate to the back, shoulders, or abdomen

Inflammation can develop after:

• Repetitive strain
• Intense core workouts
• Heavy lifting
• Direct trauma
• Persistent coughing

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2. Trauma or Injury

A direct blow to the chest — from a fall, sports injury, or car accident — can bruise or even fracture the xiphoid process.

Seek immediate medical care if pain follows trauma and you notice:

• Severe tenderness
• Swelling
• Difficulty breathing
• Chest pain spreading to the arm or jaw

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3. Muscle Strain

Because abdominal muscles attach near the xiphoid process, straining those muscles can cause pain in the same area.

Common triggers include:

• Heavy lifting
• Intense ab workouts
• Sudden twisting movements
• Chronic coughing

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4. Gastrointestinal Issues

Sometimes pain near the xiphoid process isn't coming from the bone at all.

Conditions like:

• Acid reflux (GERD)
• Gastritis
• Peptic ulcers

can cause upper abdominal discomfort that feels like it's centered around the lower sternum.

If you also have:

• Burning in the chest
• Sour taste in your mouth
• Nausea
• Pain after eating

the cause may be digestive rather than skeletal.

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5. Hernia

In rare cases, what feels like a lump near the xiphoid process could be a small epigastric hernia, where tissue pushes through the abdominal wall.

This usually:

• Feels soft
• May change size when straining
• Can cause discomfort with coughing or lifting

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6. Serious Causes (Less Common, But Important)

Pain in the lower sternum area can sometimes mimic:

• Heart-related chest pain
• Gallbladder disease
• Pancreatitis

If pain is severe, unexplained, or accompanied by other concerning symptoms, it must be evaluated promptly.

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When Is a Lump Normal?

In many cases, what feels like a lump is simply your normal xiphoid process.

It may feel more prominent if you:

• Lose weight
• Improve posture
• Build abdominal muscle
• Age (as cartilage turns to bone)

A normal xiphoid process:

• Feels firm
• Does not rapidly grow
• Is centered in the midline
• Is not associated with systemic symptoms (fever, unexplained weight loss)

If the discomfort extends into your upper abdomen and you're unsure what's causing it, consider using Ubie's free AI-powered abdominal pain symptom checker to get personalized insights about your symptoms in just 3 minutes.

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Symptoms That Require Immediate Medical Attention

Do not ignore chest-area pain if you experience:

• Chest pressure or tightness
• Pain spreading to the arm, jaw, or back
• Shortness of breath
• Sweating or nausea with chest pain
• Sudden severe abdominal pain
• Fever with worsening tenderness
• A lump that is rapidly growing

These symptoms could signal a life-threatening condition. Call emergency services immediately.

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How Doctors Diagnose Xiphoid Process Pain

If you visit a healthcare professional, they may:

• Perform a physical exam (pressing on the xiphoid process to reproduce pain)
• Ask about recent injuries or exercise
• Evaluate for gastrointestinal symptoms
• Order imaging (X-ray, ultrasound, or CT scan) if needed

In many cases, diagnosis is clinical — meaning it's based on your symptoms and exam findings.

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Medically Approved Treatment Options

Treatment depends on the cause.

For Inflammation or Strain:

• Rest from aggravating activities
• Over-the-counter anti-inflammatory medications (if safe for you)
• Ice packs for 15–20 minutes at a time
• Gentle stretching after acute pain improves

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For Acid Reflux or Digestive Causes:

• Avoid trigger foods (spicy, fatty, acidic)
• Eat smaller meals
• Avoid lying down right after eating
• Consider medical therapy if recommended by your doctor

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For Persistent Xiphodynia:

In rare chronic cases, a physician may recommend:

• Physical therapy
• Local anesthetic or steroid injections
• Further imaging studies

Surgery to remove the xiphoid process is extremely rare and only considered in severe, treatment-resistant cases.

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What You Should Not Do

• Do not repeatedly press or "check" the area — this can worsen irritation.
• Do not assume all chest pain is harmless.
• Do not self-diagnose if symptoms are severe or worsening.

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Can Stress Make It Worse?

Yes. Stress can increase muscle tension, alter posture, and worsen acid reflux — all of which may increase discomfort around the xiphoid process.

Improving posture, stretching your chest and upper abdomen, and practicing stress reduction techniques can sometimes help.

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The Bottom Line

The xiphoid process is a normal anatomical structure that can sometimes feel like a lump — especially if you've never noticed it before.

Most causes of xiphoid process pain are:

• Benign
• Treatable
• Related to strain, inflammation, or digestion

However, chest and upper abdominal pain should never be ignored if it is severe, persistent, or associated with other concerning symptoms.

If you're experiencing unexplained abdominal pain along with your xiphoid discomfort and want to better understand what might be happening, Ubie's free symptom checker can help you identify potential causes and prepare informed questions for your doctor.

Most importantly:

Speak to a doctor promptly about any chest pain, rapidly growing lump, difficulty breathing, or symptoms that could be life-threatening.

Getting checked does not mean something is seriously wrong — it means you're being responsible about your health.

And in many cases, that "lump" is simply your perfectly normal xiphoid process doing exactly what it's supposed to do.