Colds and flu Archive

Learn which vaccines can help protect you against serious illness and hospitalization from RSV, COVID, and the flu this fall.

If you hear your child start coughing, it's natural to wonder: could this be the flu, or is it another virus like COVID or RSV, or even a common cold? Here's what to know about similarities between these illnesses and what to do if your child does have the flu.

Millions of Americans get sinusitis each year. The key to a quick recovery is proper drainage, which is best achieved by staying hydrated, inhaling steam several times daily, taking decongestants, and sleeping with the head elevated.

Experts say many over-the-counter cough medicines are ineffective, and that those suffering from a cold-related cough should take an antihistamine with a nasal decongestant.

Influenza vaccines that contain higher doses and extra ingredients (adjuvants) to boost their effectiveness can provide better protection than the standard flu vaccine for adults ages 65 and older, according to the CDC, and are recommended for the upcoming flu season.

For some people, the effects of the influenza (flu) virus can lead to a heart attack or cardiac arrest (sudden death). These people typically have reduced blood flow to the heart due to atherosclerosis (narrowed arteries). Because the flu can cause blood oxygen levels to drop to dangerously low levels, it can further reduce the supply of oxygen to the heart, causing a heart attack or cardiac arrest. Fortunately, getting an annual flu shot is associated with reduced risks of a heart attack and related cardiac events.

Sinusitis occurs when blocked sinuses cannot drain and the backed-up mucus gets infected. The simplest and often most effective treatment is daily nasal irrigation. It can also help to drink a lot of water, inhale steam, and sleep with the head elevated.

A persistent cough that lasts longer than a few weeks can be worrisome, but for nonsmokers, the most common causes include asthma, bronchitis, gastroesophageal reflux disease, and medication for high blood pressure.

A recent analysis found evidence mixed on whether zinc can help prevent or treat a cold. However, there appears to be no significant harm from taking over-the-counter zinc products in safe amounts per the label's instructions.

Millions of Americans get influenza during most flu seasons. Good hygiene habits can help you avoid catching the virus, and a flu shot can substantially reduce your risk as well.