Given the current situation, we understand that people may experience worry and even fear about how their disease and treatment may impact their personal risk. Sanofi Genzyme is committed to patient safety and to transparent communication. We are taking COVID-19 seriously, and we are committed to updating the communities we serve with relevant information related to our medicines to help inform health decisions.

As COVID-19 has emerged only recently, there are no available data regarding the impact of the virus on our current therapies. At this time, if you have general questions about our therapies, you should consult the current U.S Prescribing Information (USPI).

Each patient’s situation is unique, and patients and their healthcare providers are in the best position to make decisions regarding their care. In addition to local public health authority guidance, and local guidance from medical or patient associations, more information about COVID-19 can be found on the Centers for Disease Control’s (CDC) website or the World Health Organization’s (WHO) website.


For U.S. Residents Only

MS One to One® Symptom Tracker

It's so important to keep track of symptoms, but it can also be so hard. Use this tool to help you keep an accurate record of your symptoms between visits with your healthcare team. Knowing how you're doing from week to week will help you and your doctor manage your multiple sclerosis (MS).

Common MS symptoms you may be experiencing

  • Fatigue
  • Pain
  • Numbness
  • Dizziness and vertigo
  • Problems with memory or concentration
  • Emotional changes/mood swings
  • Depression
  • Anxiety
  • Vision problems
  • Muscle spasms, stiffness, or weakness
  • Problems with walking, balance, or coordination
  • Sexual problems
  • Bowel or bladder problems

How to use the Tracker

  • Symptoms: Write down symptoms you've experienced since your last visit
  • Date and time: Try to write down the time of day you experienced each symptom
  • Is it new?: Answer yes or no
  • Duration: Record how long each symptom lasted
  • Severity: Check one circle
  • Effect on daily life: Check one circle


Download, print, and share this with your healthcare provider to find out how well you are managing your MS.

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