The common cold is an upper respiratory infection that affects your nose, throat, sinuses and windpipe. Colds usually go away on their own within a week to 10 days.

Coronaviruses are a group of viruses known for causing the common cold. They have a halo or crown-like (corona) appearance when viewed under an electron microscope. The common …

May 24, 2023 · Most often, common cold symptoms start 1 to 3 days after someone is exposed to a cold virus. Symptoms vary. They can include: Runny or stuffy nose. Sore or scratchy throat. …

Aug 5, 2025 · The common cold and the flu may seem very similar at first. Here's what you need to know to correctly identify a cold and get the treatment you need.

Oct 15, 2024 · Learn about the common cold, its causes and spread, signs and symptoms and ways to prevent it.

19 hours ago · Your cold symptoms may feel worse at night because of increased immune system activity, changing levels of cortisol, and even your sleeping position.

Apr 3, 2025 · The common cold typically lasts around 10 days and includes a variety of symptoms, from a sore throat to fever. Rest and hydration are key self-care strategies to help …

Jul 2, 2024 · Common cold symptoms include a runny or stuffy nose, sore throat, cough, sneezing, congestion, mild body aches, headache, and low-grade fever.

2 days ago · Some forecasters say a complex dance involving the polar vortex could send some of Earth's most extreme cold toward the United States.

18 hours ago · DEAR DR. ROACH: What is the difference between a cold and the flu? — A.T.R. ANSWER: Both colds and influenza (the “flu”) are respiratory illnesses that are caused by …