We say "have dizziness" (not "have a dizziness"). Since dizziness is an uncountable noun, it doesn't take the article "a".
We say "have dizziness" (not "have a dizziness").
My child has dizziness from insufficient fluid intake.
My child has a dizziness from insufficient fluid intake.
Since dizziness is an uncountable noun, it doesn't take the article "a".
If you have dizziness that does not improve over time, visit your doctor.
Follow the same convention with the expressions "cause dizziness", "experience dizziness", "treat dizziness", etc.
An underlying health condition or injury can cause dizziness.
Notify your doctor immediately if you experience dizziness and blurred vision.
However, you can use a possessive pronoun (my, your, his, her, etc.) before the name of a symptom.
If your dizziness is being caused by a medication, talk to your doctor right away.
A partial list of symptoms and conditions that do not take a/an: