👉 Ricketier is a medical term that refers to an organism or substance that causes a rash, itching, and fever in people with Rickettsia. This condition can occur after exposure to ticks, but it is not caused by ticks themselves. The exact cause of Rickettsia infection remains unknown, though studies have suggested that it could be due to the bacteria causing salmonellosis. Rickettsia infections are not contagious and are usually treated with antibiotics. However, they do require