If you’re battling chest congestion from a cold, flu, or COVID-19, decongestants and humidifiers can offer relief. Learn ...

If your allergies leave you feeling lightheaded or cause chest pain, alert your doctor immediately, Nagarajan said. It could be a sign of a heart problem. Sudden chest pain can be a sign of a heart ...

Common cold symptoms tend to affect the upper airways, like the nose, head, and throat. Learn how symptoms progress with a ...