If you’ve had one or more symptoms that are common with multiple sclerosis (MS), your doctor may suggest tests. These can include: Blood tests to look for other problems with MS-like symptoms, like Lyme disease
A test to measure the speed of signals traveling along your nerves
An MRI, which creates images of your brain, so your doctor can check for areas of damage
A spinal tap to check the fluid that flows in your brain and spinal cord