Pharyngitis
Pharyngitis The most common throat disorder, pharyngitis is an acute or chronic inflammation of the pharynx. It’s widespread among adults who live or work in dusty or dry environments, use…
Pelvic Inflammatory Disease
Pelvic Inflammatory Disease Pelvic inflammatory disease (PID) is an umbrella term that refers to any acute, subacute, recurrent, or chronic infection of the oviducts and ovaries, with adjacent tissue involvement….
Pasteurellosis
Pasteurellosis Pasteurella multocida is a small, gram-negative, nonmotile, non-spore-forming coccobacillus that often exists in the upper respiratory tract of many livestock, poultry, and domestic pet species, especially cats and dogs….
Paratyphoid Fever
Paratyphoid Fever Contact Precautions Transmitted by the fecal-oral route, typhoid and paratyphoid fever are bacterial infections of the intestinal tract and bloodstream. Affected patients usually experience mild fever, malaise, anorexia,…
Parainfluenza
Parainfluenza Contact Precautions Droplet Precautions Parainfluenza refers to any of a group of respiratory illnesses caused by paramyxoviruses, a subgroup of the myxoviruses. Affecting both the upper and lower respiratory…
Otitis Media
Otitis Media Otitis media is inflammation of the middle ear that may be suppurative or secretory, acute or chronic, persistent, or unresponsive. With prompt treatment, the prognosis for acute otitis…
Otitis Externa
Otitis Externa Otitis externa, also known as external otitis and swimmer’s ear, is inflammation of the skin of the external ear canal and auricle. The condition is most common in…
Osteomyelitis
Osteomyelitis Osteomyelitis is a pyogenic bone infection that may be chronic or acute. The disease commonly results from a combination of traumatic injury and acute infection originating elsewhere in the…
Opisthorchiasis
Opisthorchiasis Opisthorchis sinensis, also known as Clonorchis sinensis, is a trematode, or fluke, that causes infection in the liver. It is most commonly called the Chinese liver fluke. O. viverrini…
Norwalk Virus Infection
Norwalk Virus Infection Contact Precautions Norwalk virus, among a group called noroviruses, is a single-stranded RNA virus of the Caliciviridae family that causes acute gastroenteritis lasting 24 to 48 hours….
