I too have MS type symptoms. Going through testing. Other conditions that mimic include (I found out when I was tested to rule out): lupus, rheumatoid arthritis, ALS Lou Gherig's disease - not sure how to spell), myasthenia gravis, vasculitis, heavy metal poisoning, and a myriad of cinditions I can no longer remember the names of and probably could never hope to spell, lol.
Please find below the list of neurological disease having almost similar presentation as MS:
Disseminated Encephalomyelitis
Brainstem Gliomas
Central Pontine Myelinolysis
Essential Tremor
Hemifacial Spasm
Inherited Metabolic Disorders
Lyme Disease
Lysosomal Storage Disease
Metabolic Disease & Stroke: MELAS
Myokymia
Paraneoplastic Encephalomyelitis
Primary CNS Lymphoma
Primary Lateral Sclerosis
Spinal Cord Infarction
Sudden Visual Loss