How Flu Impacts Older Adults – and How to Stay Protected
November 14, 2025
Flu season brings challenges for everyone, but for older adults, the risks can be far more serious. As we age, the immune system naturally weakens, making it harder to fight off infections. For seniors, even a mild case of the flu can lead to severe complications or hospitalization. Fortunately, there are effective ways to stay protected and healthy this flu season.
Why the Flu Hits Harder in Older Adults
Adults age 65 and older account for most flu-related hospitalizations and deaths in the United States. According to the Centers for Disease Control and Prevention (CDC), this age group makes up about 70-85% of seasonal flu deaths and 50-70% of hospitalizations. A weakened immune system makes it easier for the influenza virus to take hold and harder for the body to recover quickly.
“Flu season can be especially dangerous for older adults because it often worsens underlying conditions,” said Vincent Van Berkum, MD with TMH Physician Partners – Primary Care in Panama City Beach. “The best protection is the flu vaccine combined with healthy, daily habits.”
Common complications from influenza for seniors include:
- Pneumonia
- Worsening of chronic conditions (such as heart disease, diabetes or asthma)
- Dehydration
- Secondary bacterial infections
Even a few days of high fever and fatigue can be risky for older adults who already have underlying health concerns or limited mobility.
Recognizing Flu Symptoms in Seniors
Flu symptoms don’t always look the same in older adults. While younger people may experience high fevers and chills, the elderly might notice more subtle signs, such as:
- Sudden fatigue or weakness
- Loss of appetite
- Confusion or dizziness
- A persistent cough or sore throat
Recognizing these symptoms early can make a big difference. Prompt medical attention and early treatment can reduce the severity of illness and prevent hospitalization.
The Importance of Vaccination
The most powerful tool for preventing flu and its complications is the annual flu vaccine. Each year’s shot is updated to protect against the strains most likely to spread. For seniors, high-dose or enhanced flu vaccines are available and specifically designed to boost the immune response.
If you haven’t received your flu shot yet, now is the time. It takes about two weeks after vaccination for your body to build full protection. Flu activity in Florida typically peaks between December and February, but cases can continue well into spring — so it’s never too late to get vaccinated.
If You Get Sick: Treatment and Recovery
If you or an older loved one catch the flu, contact your healthcare provider right away. Antiviral medications can help lessen symptoms and shorten recovery time, but they work best when started within 48 hours of symptom onset.
For patients who aren’t able to see their Primary Care doctor, Tallahassee Memorial HealthCare has three urgent care centers available throughout the Big Bend region, including our new TMH Urgent Care in Panama City Beach.
Rest, hydration and over-the-counter fever reducers can help ease symptoms, but seniors should always check with a healthcare provider before taking new medications — especially if they’re managing chronic conditions.
Tips for Caregivers
If you’re caring for an older adult during flu season, a few simple steps can make a big difference:
- Encourage plenty of fluids and rest
- Keep commonly touched surfaces clean and disinfected
- Watch for warning signs like shortness of breath, confusion or worsening chronic symptoms
- Make sure everyone in the household is vaccinated
Caregivers can also protect themselves by staying up to date on vaccines, practicing good hand hygiene and wearing a mask when someone in the home is ill.
Protecting Yourself — and Those Around You
Getting your flu shot doesn’t just protect you; it helps protect your family, friends and community — especially those who may be more vulnerable to severe illness.
If you’re due for your flu vaccine or feeling under the weather, TMH Physician Partners offers convenient walk-in clinics and primary care locations across the region. Walk in or schedule an appointment to stay on top of your health this flu season.
