Go through these in order and stop at the first one that applies. If you are reading this for someone else, answer for them.
Call emergency services for stroke symptoms, a seizure, loss of consciousness, severe breathing difficulty, serious head injury, or behavior that creates an immediate danger to the person or others.
Seek prompt medical care for confusion that appears suddenly, fever, new weakness, repeated vomiting, dehydration, a significant fall, or a sudden inability to walk or communicate.
Routine follow-up is used to review changes in memory, daily function, mood, behavior, sleep, mobility, nutrition, and caregiver needs.
The clinician may also review medicine benefits and side effects, driving, home safety, advance care plans, and whether more support is needed.
Arrange an earlier appointment for a noticeable but gradual decline, repeated falls, weight loss, new swallowing trouble, increasing wandering, major sleep changes, or behavior that is becoming difficult to manage.
Every sign above is quoted from the sofidex article on Alzheimer disease. If you are not sure, err upward — it is always reasonable to be checked.