Can herniated discs cause dizziness, arm/leg tingling? blood work, nerve tests, mris, neuro exams all normal. that was the only dx neurologists found.

Herniated discs: Disc herniations are a cause arm and leg tingling, but dizziness would not be directly attributable to a herniation. But pain can be described in many ways, so it is possible that your herniation is causing your other symptoms. If it has been over 6 weeks, try an epidural steroid injection. If your dizziness and extremity symptoms improve, then the herniation is likely causing your symptoms.