If you notice a senior’s temperature climbing above normal, it can feel scary. Fever isn’t just a symptom—it’s the body’s alarm that something’s off. In older adults, the causes range from common infections to medication reactions, and the signs may be subtler than in younger people.
Urinary tract infections top the list. A senior might not feel the classic burning or urgency; instead, they develop a low‑grade fever, confusion, or fatigue. Respiratory illnesses like pneumonia also show up with chills and temperature spikes. Even a simple cold can push an older person’s body temperature higher because their immune response works differently.
Medications matter too. Some drugs—especially antibiotics, anti‑seizure meds, or steroids—can cause fever as a side effect. Look for timing: if the fever started after a new prescription, it could be drug‑induced. Chronic conditions such as rheumatoid arthritis sometimes flare up with fever, and cancers can produce unexplained temperature rises.
First, grab a reliable thermometer. A reading above 100.4°F (38°C) in an older adult deserves attention. If the senior feels dizzy, has shortness of breath, chest pain, or sudden confusion, call emergency services right away.
If the fever is mild and the person seems otherwise okay, start with basic care: keep them hydrated with water or electrolyte drinks, dress them in light clothing, and use a cool compress on the forehead. Over‑the‑counter acetaminophen can help lower temperature—just follow dosing guidelines for age and weight.
Watch for red flags that mean it’s time to see a doctor even if symptoms look mild: fever lasting more than 48 hours, persistent headache, severe sore throat, new rash, or any change in mental state. Seniors often hide discomfort, so any sudden shift in behavior—like increased sleepiness or irritability—should trigger a call.Regular check‑ups can catch the root cause early. If the senior has recurring fevers without an obvious infection, ask their doctor about blood tests, chest X‑rays, or urine cultures to pinpoint hidden issues.
In summary, a fever in an elderly person isn’t just “a cold.” It signals that something needs attention—whether it’s an infection, medication side effect, or deeper health problem. Stay calm, measure the temperature, hydrate, and know when professional help is essential. Acting promptly can keep the senior comfortable and prevent complications.
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