Symptoms of ms, brain mri showed "no significant abnormalities in the white matter" symptoms came back 6 weeks later. next step is neurologist,?

Yes.: There are times when there is no substitute for the expertise and acumen of an experienced, astute neurological diagnostician.

Symptoms undiagnosed: It is good news that the MRI looked normal. That pretty much rules out MS. It can be helpful to visit with a neurologist though, since the symptoms returned. They handle symptoms like those that occur in MS and other kinds of conditions.

Confirmation: "symptoms of MS" can occur in many conditions, and are neither diagnostic or definitive. Although the brain MRI is reassuring, your neurological symptoms should be assessed by a neurologist. A primary care doctor does have limitations, and that is why specialists can be useful.