Sexual Behaviors in a Person Living With Dementia: It’s Not Always About Sex
Understanding what may be behind the behavior—and how to respond with compassion and clear boundaries.
“He never would have said that before.”
“Why is she taking her clothes off?”
“What am I supposed to do when he reaches for me?”
Some changes in dementia are especially difficult to talk about. Sexual comments, unwanted touching, or undressing in public can leave families feeling embarrassed, hurt, or unsure what to do.
You deserve support with these situations, too.
A helpful place to begin is this: a behavior that looks sexual does not always mean the person wants sex. Understanding what may be happening can help you choose a response.
What could be behind the behavior?
Dementia can affect judgment, recognition, and the ability to hold back an impulse. A person may say or do something they previously would have recognized as inappropriate. They may also mistake someone for their spouse or misunderstand what is happening during personal care.
Other times, the person may be uncomfortable, need the bathroom, or be seeking closeness. Sexual desire can also remain part of life with dementia. The goal is to understand the situation without assuming every behavior has the same cause.
How can you respond in the moment?
You do not need a perfect speech. Start with a calm voice, a brief boundary, and a practical next step.
If someone reaches toward your body:
Step out of reach and say, “No, thank you. Please give me some space.” If it is safe, redirect them: “Let’s go sit at the table.”
If someone makes a sexual comment:
Try a short response such as, “Let’s talk about something else,” then introduce a familiar topic or activity. Avoid a lengthy argument or public correction.
If someone begins undressing:
Protect their privacy and calmly guide them somewhere private. Check whether they need the bathroom or are uncomfortable in their clothing.
These are examples to adapt to the person and situation. Calm redirection and checking for unmet needs can help, but no single response works every time.
Compassion includes boundaries
Understanding that dementia may contribute to a behavior does not mean you must accept unwanted touching or sexual activity.
Your comfort and safety matter. So do the comfort and safety of everyone around the person.
You can care about someone and say, “No.” You can pause personal care and ask for help. If someone becomes threatening, create distance and get assistance. If anyone is in immediate danger, call 911.
Affection and intimacy should be welcome to everyone involved. If you are unsure whether someone understands or can consent to sexual activity, seek professional guidance.
Look for a pattern—and know when to ask for help
Write down what happened, what was occurring just beforehand, and what helped. That information can make it easier to identify triggers and explain concerns to the healthcare team.
Contact their healthcare provider promptly if the behavior starts suddenly, becomes more frequent, or creates distress or safety concerns. A sudden change—especially with increased confusion—can signal a physical problem such as pain, constipation, or infection.
You can say: “This is new. Here is what we are seeing, and we need help understanding it.”
You do not have to navigate this alone
Feeling embarrassed, angry, or upset does not make you an uncaring caregiver. These situations can be difficult even when you understand the disease.
At Dementia Support Works, I help families understand dementia-related changes and explore practical ways to respond with compassion, dignity, and clear boundaries.
Need someone to talk with? Visit Dementia Support Works to connect with me.
Betsy Warburton, BSN, MSN
Dementia Educator | Dementia Support Works
Guidance • Compassion • Clarity
