Pharyngitis is inflammation of the back of the throat (pharynx). This page explains frequent causes, typical symptoms, how clinicians approach diagnosis, and which specialty is commonly involved. The information is for general purposes and does not replace a personal medical assessment. If there are severe signs such as difficulty breathing, marked trouble swallowing, or very high fever, seek urgent medical care.
Pharyngitis most often follows viral infections such as common cold viruses or influenza; bacterial causes are less common. Other contributors include exposure to cigarette smoke, dry indoor air, allergic rhinitis, acid reflux, and prolonged voice strain. People with weakened immune defenses may be more prone to throat infections.
Common complaints include sore throat, pain when swallowing, a dry or scratchy sensation, low-grade fever, and sometimes ear pain. Viral cases frequently come with runny nose, sneezing or cough. Bacterial infections can present with a more sudden, severe sore throat and higher fever; definitive differentiation is made by clinical assessment and, if needed, tests.
Evaluation typically begins with history and physical examination. Clinicians may use a rapid antigen test or throat culture when a bacterial cause is suspected. Initial assessment is usually done by a primary care physician or family doctor; repeated episodes, persistent symptoms, severe findings or suspected complications may prompt referral to an ear, nose and throat (ENT) specialist.
Basic prevention includes hand hygiene, avoiding close contact with people who are unwell, and minimizing exposure to smoke and irritants. Keeping indoor air moderately humid, staying well hydrated, and resting the voice reduce throat dryness and irritation. These measures are general suggestions; seek professional evaluation if symptoms worsen or do not improve.
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