Head Cold Symptoms 2024. When should you keep your child home? A head cold, or common cold, is a viral infection of the nose and throat.
Some of the most common symptoms of the ‘long cold’ included coughing, stomach pain, and diarrhoea more than four weeks after initial infection, according to. Symptoms most often, common cold symptoms start 1 to 3 days after someone is exposed to a cold virus.