without an obvious reason.
Dizziness alone can have many causes, including dehydration, medication effects, inner ear problems, or low blood pressure. But sudden dizziness with weakness, vision changes, speech trouble, confusion, or trouble walking should be treated as urgent.
When balance suddenly changes, especially in someone over 40 with risk factors, it is safer to get checked immediately.
6. Sudden Confusion
Sudden confusion can be another warning sign. The person may seem disoriented, answer questions incorrectly, act unusually, or not understand what is happening.
This is different from gradual memory