<unk>  cannot be spread. However, infections can be spread by those who have infectious<unk> .<unk>  can develop due to many causes. GERD is the most common cause of<unk>  because of the backflow of acid from the stomach, which can irritate the lining of the esophagus. Other causes include: * Medicines – Can cause esophageal damage that can lead to esophageal ulcers * Nonsteroidal anti-inflammatory drugs (NSAIDS) – aspirin, naproxen sodium, and ibuprofen. Known to irritate the GI tract. * Antibiotics – doxycycline and tetracycline * Quinidine * Bisphosphonates – used to treat osteoporosis * Steroids * Potassium chloride * * Chemical injury by alkaline or acid solutions * Physical injury resulting from nasogastric tubes. * Alcohol use disorder – Can wear down the lining of the esophagus. * Crohn's disease – a type of IBD and an autoimmune disease that can cause<unk>  if it attacks the esophagus. * Stress – Can cause higher levels of acid reflux * Radiation therapy - Can affect the immune system. * Allergies (food, inhalants) – Allergies can stimulate eosinophilic<unk> . * Infection - People with an immunodeficiencies have a higher chance of developing<unk> . * Vitamins and supplements (iron, vitamin C, and potassium) – Supplements and minerals can be hard on the GI tract. * Vomiting – Acid can irritate esophagus. * Hernias – A hernia can poke through the diaphragm muscle and can inhibit the stomach acid and food from draining quickly. * Surgery *Eosinophilic<unk> , a more chronic condition with a theorized autoimmune component
Esophagitis
Esophageal spasm
Laryngitis
Tonsillitis
Pharyngitis
Epiglottitis
Adenoiditis
Croup