The diagnoses listed below can cause neurologic symptoms that are similar to those caused by multiple sclerosis (MS). In order to confirm the diagnosis of MS, your doctor must be able to rule out other possible diagnoses that could explain the symptoms you are experiencing.
Some of these diagnoses are easy to rule out with a simple blood test (e.g. vitamin B12 deficiency), while others, such as sarcoidosis, may require a biopsy. Some are much rarer than others. It’s important to work with a physician who is familiar with these conditions in order to arrive at a correct diagnosis as quickly as possible — and begin the appropriate treatment — whether you have MS or not.