I guess he is looking for a "change", whether that be in symptoms or lesions, indicating RRMS. Of course PPMS would not require the same criteria (but he would expect ongoing progression and few lesions then).

Do you have high blood pressure? Have you had your cholesterol and sugar (diabetes) levels checked lately? Brain lesions can sometimes be confused for vascular issues, often caused by the above, especially as we age. (Don't know how old you are though ....). I only thought of that because it came up on another forum, and the lady was talking about a sense of lightheadedness too . . .

Of course that symptom could be related to MS too. I get that, but they've never nailed down the cause and have just concluded it's another one of those MS-things. I have been checked for everything else though.

Never "assume" anything is the MS.

Cherie