🌱 Health Promotion · Lesson 6 of 6 · 6 min
Normal Aging Versus the Thing You Must Not Call Normal
👵 'She's 88, of course she's confused.' That sentence has delayed the diagnosis of more urinary tract infections, medication reactions and strokes than any lab error. Confusion is never normal aging.
💡 Key idea
Slower, drier, dimmer and a little forgetful can be aging. Confused, incontinent, falling or depressed is disease until proven otherwise.
🧠 Why it matters
Expected changes with aging: decreased skin elasticity and thinner skin, presbyopia and reduced night vision, presbycusis (high-frequency hearing loss), slower reaction time, reduced bladder capacity, decreased thirst sensation, less efficient temperature regulation, slower drug metabolism and excretion, and some slowing of recall. NOT normal: confusion or delirium, incontinence, depression, falls, and significant memory loss; each has a cause that must be found. DELIRIUM is acute, fluctuating and usually reversible, with inattention, often caused by infection, dehydration, medications, pain or hypoxia; dementia is gradual and progressive. Older adults may present atypically: a urinary tract infection as new confusion, a myocardial infarction as fatigue or dyspnea without chest pain, pneumonia without fever. POLYPHARMACY raises risk; the Beers Criteria list drugs to avoid or use cautiously, such as benzodiazepines, first-generation antihistamines and long-acting sulfonylureas. Nursing care: speak face to face in a lower pitch, allow extra time, promote mobility and fluids, and assess every 'normal' complaint.
🏥 In the real world
🧓 An 84-year-old admitted for a hip fracture becomes agitated and disoriented on day two. Her family says she is 'always sharp'. The nurse does not accept 'sundowning' as an explanation: urine shows infection, the opioid dose is high, and she has barely taken fluids. Treating all three resolves the confusion in two days. Delirium found is delirium reversed.
📌 Takeaways
- Confusion, incontinence, falls and depression are not normal aging
- Delirium: acute, fluctuating, usually reversible; find the cause
- Atypical presentations: infection without fever, MI without chest pain
📖 Terms in this lesson
Delirium: A sudden, fluctuating, usually reversible confusion with inattention, often caused by infection, drugs, dehydration or pain.
Donepezil: A cholinesterase inhibitor that slows the memory loss of Alzheimer disease without curing it; expect nausea, diarrhea and weight loss, give it at bedtime, and report a slow pulse, fainting or vivid dreams, because the extra acetylcholine slows the heart.
Alendronate (bisphosphonates): Builds bone in osteoporosis but burns the esophagus; take it first thing in the morning with a full glass of plain water, stay upright and eat nothing for 30 minutes, report jaw pain or new thigh pain, and keep calcium and vitamin D intake up.
Antihistamines (diphenhydramine, loratadine, cetirizine): Block histamine for allergies, itching and sleep; first-generation diphenhydramine sedates and dries (urinary retention, constipation, confusion and falls in older adults, paradoxical excitement in children), so it is avoided in glaucoma and prostate enlargement, while loratadine and cetirizine barely cross into the brain.
✅ Test yourself
Which finding in a 79-year-old should the nurse investigate rather than attribute to aging?
- Needs reading glasses
- Difficulty hearing high-pitched voices
- New urinary incontinence
- Takes longer to recall names
Answer: C · New urinary incontinence
Incontinence is never normal aging and usually has a treatable cause such as infection, medication or mobility limits.
A previously alert 86-year-old becomes acutely confused over several hours. What is the most likely explanation?
- Normal age-related cognitive decline
- Delirium from an acute cause
- Attention-seeking behavior toward staff
- Early dementia of the Alzheimer type
Answer: B · Delirium from an acute cause
Sudden onset and fluctuation define delirium, usually from an acute cause such as infection or medication, and it is usually reversible when the cause is treated. Dementia develops over months to years.
Which medication class is on the Beers Criteria for older adults because of fall and confusion risk?
- Topical emollients
- Multivitamins
- Benzodiazepines
- Acetaminophen
Answer: C · Benzodiazepines
Benzodiazepines increase sedation, falls and cognitive impairment in older adults and should be avoided when possible.
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