Dear Dr. K,
Any ideas on how I can relieve my mother’s anxiety about her thinking an animal got in the house? I can’t find anything and have moved the couches but she is convinced and scared.
She’s always been a worrier, plus her thinking has been deteriorating and her vision is impaired a bit. I take care of her and my Dad both 94. She gets upset if I tell her I think she just thought she was seeing something and says I think she is crazy. Last night she woke me up shaking and practically in tears because she thought she saw it again -I offered for her to come sleep with me but she wouldn’t. Any suggestions? — C.S.
Thanks so much for sending in this question. This is a very common complaint I hear from family caregivers, so I am happy to share some thoughts about what might be going on and what you can do.
Now, I can’t say for sure what is going on with your mother. That’s because she’s not my patient, and I’m not in a position to interview her and examine her.
What I can say, however, is that it’s very common for older adults to develop persisting fears, worries, and complaints that often strike their family members as irrational, paranoid, absurd, or ridiculous.
Why is this?
Among my own patients, I’ve found this is often related to underlying cognitive impairment. Meaning, a problem with memory or thinking that hasn’t yet been fully diagnosed by doctors. In some cases, this kind of complaint ends up being one of the very earliest signs of clinical dementia.
Lewy-Body dementia, in particular, is associated with visual hallucinations. But any process causing brain deterioration (Alzheimer’s, vascular dementia, etc.) can result in anxieties spiraling out of control, or persisting strange beliefs.
That said, it’s quite possible for an aging person to express such fears and not have it be dementia. Maybe there really is an animal in the house, or a person stealing your parent’s things. It’s also possible for people to develop confusion or false beliefs due a problem other than dementia, such as mental illness or delirium.
(For more in-depth information on the most common causes of paranoia and strange beliefs in older adults, see this article: 6 Causes of Paranoia in Aging & What to Do.)
Still, given your mom’s age and the fact you’ve noticed other signs of “thinking deterioration,” there’s a good chance that her persisting fear could be related to some chronic underlying cognitive impairment.