Sometimes I wonder if it's denial. "If I don't admit the symptom, nothing will be wrong."
Other times she doesn't want to admit responsibility for causing a problem. (Drinks loads of water hoping to avoid UTIs, but causes low sodium.) "I do NOT drink a lot of water!"
Then there's confusion from increasing dementia. Of course she stoutly denies that.
She SOUNDS lucid so med professionals take her word over mine. She's 92.
He never went into the doctor alone and now that we have a doctor who makes house calls, I sit right there the whole time she’s here and answer questions. He used to blow me off in front of the doctor but the doctors always picked up on the fact that I was the one who knew about his health.
You can step step out for the actual exam, but during the chats, always be there.
Mom: No
Me: Mom, he's not asking about a heart attack, but your lungs. Maybe bronchitis.
Mom: Oh. Yes I have chest pain. My lungs hurt.
We never let her go alone to see a doc after that hospital stay. (flu and lung complications.)
Dad: Yes
Me: Dad, didn't you tell me last week that you check your blood pressure every morning and then decide how much medicine you are going to take that day?
Dad: Well, yes that's what I do. Good Pills, Bad Pills says you can only take so much of this stuff before it kills you.
I'd explore if she needs closer supervision, having dementia and being 92, so they can log what meds she's taking, what she's consuming, how she's sleeping and monitor he in general, like in an AL.