Esophagitis means inflammation of the esophagus. It can develop because of acid reflux, infection, medications, allergic inflammation, or physical irritation. Depending on the cause, symptoms may range from mild heartburn to severe pain with swallowing. ^[1][2][3]

The esophagus is vulnerable because it is repeatedly exposed to swallowed substances and, in some people, to stomach acid that travels upward. Persistent inflammation can damage the lining and, over time, lead to complications such as ulcers or narrowing. ^[1][2]

What symptoms can occur?

Common symptoms include heartburn, chest pain, painful swallowing, difficulty swallowing, the sensation of food sticking, regurgitation, or nausea. Some people mainly notice worsening reflux, while others present with significant swallowing pain. ^[1][2][3]

If the inflammation becomes severe, dehydration, bleeding, or inability to eat and drink normally may occur. ^[1][2]

What causes esophagitis?

Acid reflux is one of the most common causes. Other causes include pill-induced injury, infection in immunocompromised patients, radiation, caustic injury, and eosinophilic esophagitis. ^[1][2][3]

Because causes differ so much, the treatment depends on identifying what kind of esophagitis is present rather than treating all cases as simple reflux. ^[1][2]

How is it diagnosed?

Diagnosis may involve clinical history, response to treatment, and endoscopy in selected cases. Endoscopy is especially useful when symptoms are severe, persistent, associated with alarm features, or when another cause is suspected. ^[1][2]

The main goals are confirming inflammation, ruling out structural problems, and identifying the likely cause. ^[1][3]

How is it treated?

Treatment may include acid suppression, changes in medication habits, treatment of infection, dietary strategies in selected conditions, and management of the underlying trigger. ^[1][2]

Ignoring ongoing symptoms is not ideal because untreated inflammation can result in ulceration, bleeding, or stricture formation. ^[1][3]

When should you seek medical care?

You should seek evaluation if swallowing is painful, food repeatedly sticks, reflux is persistent despite treatment, or symptoms are severe enough to reduce eating or drinking. Vomiting blood, black stools, chest pain, or significant weight loss require prompt assessment. ^[1][2]

Esophagitis itself can be manageable, but the underlying cause determines how the problem should be handled. ^[1][3]

FAQ

Is esophagitis the same as reflux?

No. Reflux can cause esophagitis, but esophagitis may also result from infection, medications, or other forms of irritation. ^[1][2]

Can it cause painful swallowing?

Yes. Painful swallowing is a common symptom. ^[1][3]

Is endoscopy always required?

Not always. Endoscopy is used when symptoms are severe, persistent, or atypical. ^[1][2]

Can untreated esophagitis lead to complications?

Yes. Ongoing inflammation can contribute to ulceration, bleeding, or narrowing. ^[1][2]

When is urgent evaluation needed?

Vomiting blood, inability to swallow, black stools, or severe chest pain require urgent assessment. ^[1][2]