Acute viral nasopharyngitis, also known as the common cold or simply a cold, is a contagious viral infection that primarily affects the nose, throat, and upper respiratory tract. It is one of the most prevalent infectious diseases and is typically caused by various types of viruses, such as rhinoviruses, adenoviruses, coronaviruses, and respiratory syncytial viruses.
The term "acute" refers to the short duration and sudden onset of symptoms, usually lasting for about 7-10 days. "Viral" signifies that the infection is caused by a virus, not bacteria. "Nasopharyngitis" pertains to the inflammation of the nasal passages (naso-) and the back of the throat (pharynx).
Symptoms of acute viral nasopharyngitis may include a runny or stuffy nose, sneezing, sore throat, cough, mild headache, mild body aches, and low-grade fever. Sometimes, additional symptoms such as fatigue, watery eyes, mild earache, or a mild hoarse voice might be present. Children may also experience mild diarrhea or a slightly decreased appetite.
The infection is usually transmitted through direct contact with infected respiratory secretions, either by inhalation of airborne droplets or through indirect contact with contaminated surfaces or objects. It spreads more easily in crowded places like schools, daycare centers, or public transportation.
Treatment for acute viral nasopharyngitis focuses on relieving symptoms and managing discomfort. This typically involves rest, drinking plenty of fluids, using saline nasal sprays or rinses to alleviate congestion, taking over-the-counter pain relievers, and using lozenges or throat sprays to soothe a sore throat. Antibiotics are not effective as they only