Common implies that there’s a single ordinary pathogen to blame for your runny nose, coughing, and mild fatigue. Actually, there’s a huge array of viruses—­more than 200 of them—that induce colds, ...

The drug works by blocking the sodium channel (ENaC) in the cells that line the lungs and other organs part of the respiratory tract. By doing so, it aims to increase hydration and clear mucus in the ...

Drink plenty of water, herbal tea, or clear broth. Hydration helps thin mucus, making it easier to clear out. Avoid alcohol ...