Achalasia – Achalasia is a rare disorder of the esophagus, the tube that carries food from the throat to the stomach.
Ludwig’s angina – Ludwig’s angina is a form of severe diffuse cellulitis that presents an acute onset and spreads rapidly, bilaterally affecting the submandibular, sublingual and submental spaces resulting in a state of emergency.
odynophagia – Pain on swallowing; painful swallowing
Stevens Johnson syndrome – Stevens-Johnson syndrome (SJS) is a rare, serious disorder of the skin and mucous membranes. It’s usually a reaction to medication that starts with flu-like symptoms, followed by a painful rash that spreads and blisters.