The Caring Corner®
A Guide to the Flu and Older Adults
The flu, or influenza, is a contagious respiratory illness that can cause a miserable week of fever, cough, and body aches for many people. However, for adults aged 65 and older, it can be far more dangerous. Due to a weakening immune system, the flu poses a significant and sometimes life-threatening risk to seniors.
Why the Flu Is a Bigger Threat for Seniors
As we age, our immune systems naturally become less effective at fighting off infections, a process known as immunosenescence. This makes older adults more susceptible to the flu virus itself and to serious complications that can follow. In fact, seniors account for a disproportionately high percentage of flu-related hospitalizations and deaths each year.
The flu doesn’t just cause respiratory problems in older adults. It can also:
- Lead to Severe Complications: The most common serious complication is pneumonia, but the flu can also trigger inflammation of the heart (myocarditis), brain (encephalitis), and muscle tissue.
- Worsen Chronic Conditions: For seniors with pre-existing health issues like asthma, diabetes, or heart disease, the flu can exacerbate these conditions, leading to a significant decline in health. For example, the flu can increase the risk of a heart attack or stroke in the two weeks following the infection.
- Result in Long-Term Decline: Even after recovering, older adults may not fully regain their previous level of health and function. The prolonged illness can lead to muscle weakness, a decline in mobility, and a higher risk of needing long-term care.
Atypical Symptoms and Red Flags
While flu symptoms in seniors can include a fever, cough, and body aches, they may also present with less typical signs that can be easily missed. Pay attention to:
- Changes in mental status: Sudden confusion, dizziness, or an altered mental state.
- Worsening of existing conditions: A noticeable increase in symptoms from a chronic illness.
- Unexplained fatigue or weakness: Extreme tiredness or an inability to perform daily activities.
- A fever that improves and then returns.
- Signs of dehydration: A drop in blood pressure or a lack of urination.
If you notice any of these symptoms in an older loved one, contact a healthcare provider immediately. Early diagnosis and treatment are critical.
Prevention and Protection are Key
The best defense against the flu is prevention.
Get Vaccinated
- When to get the shot: The ideal time is in September or October, as it takes about two weeks for the vaccine to become effective. Vaccinating too early can cause the protection to wane over the season. However, it’s still beneficial to get a shot anytime during flu season if you haven’t yet.
- Pneumonia Vaccination: Since pneumonia is a serious complication, ask your doctor if you’re up-to-date on your pneumococcal vaccines, which help protect against pneumococcal pneumonia.
Practice Good Hygiene
- Wash your hands frequently with soap and water for at least 20 seconds.
- Avoid touching your face, especially your eyes, nose, and mouth.
- Cover your coughs and sneezes with a tissue or your elbow.
- Disinfect frequently touched surfaces at home.
- Avoid close contact with people who are sick.
If you or an older adult you care for develops flu-like symptoms, contact a healthcare provider as soon as possible. Antiviral medications, which can lessen the severity and duration of the flu, are most effective when started within 48 hours of symptoms appearing.
