pleurisy vs. pneumonia

pleurisy

noun

Pathology.

  1. inflammation of the pleura, with or without a liquid effusion in the pleural cavity, characterized by a dry cough and pain in the affected side.

pneumonia

noun

Pathology.

  1. inflammation of the lungs with congestion.

  2. Also called lobar pneumonia. an acute disease of the lungs, caused by the bacterium Streptococcus pneumoniae and characterized by fever, a cough with blood-tinged phlegm, and difficult breathing.