An inflammation of the esophagus is termed as esophagitis, and it can be a tremendously painful condition. This ailment comprises a range of symptoms such as nausea, muscle aches, headaches, trouble swallowing food, heartburn, sore throat, cough, mouth sores, cough, chest pain, etc. For treating esophagitis, it is crucial to get a medical diagnosis as there are different causes of inflammation, so the treatment options are tailored too. Esophagitis is commonly examined via endoscopy, Barium x-rays, lab tests and allergy tests. To help you understand esophagitis better, here are some primary types of esophagitis. Infectious esophagitis This type of inflammation of the esophagus is quite unusual and occurs due to bacterial, fungal or viral attacks in the esophagus. These can easily spread to the esophagus via throat, stomach or mouth. People who have a fragile immune system are prone to infectious esophagitis. So it is more common in individuals suffering from pre-existing conditions such as cancer, diabetes or HIV. Some of the typical causes of infectious esophagitis are candida, herpes simplex, cytomegalovirus, mucormycosis, aspergillosis, etc. Eosinophilic esophagitis This condition occurs when numerous white blood cells accumulate causing inflammation of the esophagus. Frequently observed in patients who are suffering from allergies, it is triggered by foods such as peanuts, milk, beans, soy, wheat, eggs, etc.