 [ Symptoms ] does ms weaken the immune system  when i was initially diagnosed as having ms   40 years ago   i was told to be very careful if i got minor illnesses such as colds and that it would be easier for me to get infections  has the enormous amount of subsequent research shown this to be true  i have relapsing remitting ms which slows me down and makes me tired wobbly i only use vitamin d modafinil to give me more energy and clonazepam to help with the spasms that are difficult at night thank you in advance for your answer [ Disease ] hi have a good read through this link below its got lots of answers and a part on the immune system just like you asked for <link> just copy this into google to the www to open and read also google ms nhs you should find a lot more useful help the nhs is the uk is health service so as i am from the uk its good and its free hope this helps you good luck