J00-J06: Acute upper respiratory infections

J02: Acute pharyngitis

Acute pharyngitis is a group of conditions that involve the inflammation of the back of the throat, commonly referred to as the pharynx. This inflammation often results from a viral or bacterial infection, like those that cause the common cold or the flu. In some cases, acute pharyngitis can be the result of environmental factors, such as allergens or cigarette smoke. Typically, acute pharyngitis manifests with a sore throat, itchiness or discomfort in the throat that may be worsened by swallowing, redness, and occasionally accompanying symptoms like fever, cough, or runny nose. The condition is primarily spread through droplets that are produced when a person coughs or sneezes. Generally, acute pharyngitis is a short-term condition that can cause discomfort but will often resolve on its own or with appropriate treatment.