👉 In medicine, an "umbonic" is a type of infection that occurs in the lungs. It is characterized by inflammation and can lead to lung damage or even death if left untreated. Umbonics are often caused by bacteria such as Staphylococcus aureus or Streptococcus pyogenes, but they can also be caused by viruses, fungi, and parasites. Symptoms of an umbonic infection include coughing, chest pain, fever, and difficulty breathing. If left untreated