Can MS symptoms get worse without new lesions?
Emma Payne
Published Jan 06, 2026
After a certain amount of time, “You look and see that you're not having the same kind of relapses, there are no new MRI lesions, but there are certain symptoms that are gradually getting worse,” Shephard says of her gradual change to secondary-progressive MS.
Can you have MS without active lesions?
About 5 percent of people who are confirmed to have MS do not initially have brain lesions evidenced by MRI. However, the longer a person goes without brain or spinal cord lesions on MRI, the more important it becomes to look for other possible diagnoses.
Can you have MS symptoms without relapse?
If you have secondary progressive or primary progressive MS, you may also experience relapses, but much less frequently. Most people with MS experience some symptoms continuously, but between relapses this background level will remain more or less stable. It's when symptoms change that you may be having a relapse.
Does MS get progressively worse?
Over time, symptoms stop coming and going and begin getting steadily worse. The change may happen shortly after MS symptoms appear, or it may take years or decades. Primary-progressive MS: In this type, symptoms gradually get worse without any obvious relapses or remissions.
How do you know if your MS has progressed?
To figure out if disease is progressing, doctors use a scale called the Expanded Disability Status Scale (EDSS). The EDSS is a way of measuring physical disability. Two-thirds of those with MS will not progress past level 6 on the EDSS.
32 related questions foundHow quickly do MS lesions develop?
Most symptoms develop abruptly, within hours or days. These attacks or relapses of MS typically reach their peak within a few days at most and then resolve slowly over the next several days or weeks so that a typical relapse will be symptomatic for about eight weeks from onset to recovery.
Can MS progress rapidly?
The main difference between the two conditions is speed. Fulminant MS develops rapidly, while RRMS can develop over the course of many years.
Can MS stay mild?
Researchers said the study suggests that “it is not uncommon for people with relapsing MS “to have only mild or no physical or cognitive dysfunction approximately three decades after clinical onset.”
Can MS be slowed down?
Multiple sclerosis (MS) is difficult to diagnose, and, as yet, it has no cure. However, according to new research, it may be possible to slow its progression without some of the health risks associated with current treatments.
Do MS symptoms get worse throughout the day?
Other signs include: You feel wiped out every day. You're tired in the morning, even after a good night's sleep, and it gets worse as the day goes on. You feel fatigued easily and suddenly.
Can you feel an MS relapse coming on?
Dizziness. Feeling lightheaded or unsteady on your feet can be an unsettling experience, but it's a common sign of MS relapses. The dizziness is due to damage in the parts of your brain that control equilibrium.
Can MS burn itself out?
ANSWER: Some patients, even those with a progressive form of multiple sclerosis (MS), do reach a plateau where symptoms don't seem to worsen. Predicting which patients might reach this point where the disease may "burn itself out" is not possible, which can frustrate patients and physicians.
What does an MS flare-up feel like?
This results in flare-up symptoms such as problems with balance, coordination, eyesight, bladder function, memory or concentration, mobility, fatigue, weakness, numbness or needle-like sensations. Remission occurs when acute inflammation decreases.
Can MS lesions be missed on MRI?
MRIs are not a 100 percent positive in the diagnosis of MS. In 5 percent of the people showing clinical MS disease activity, lesions were not visible on the MRI. However, if follow-up MRI studies continue to show no lesions, the MS diagnosis should be reconsidered.
Can MS lesions shrink?
Lesion accrual in multiple sclerosis (MS) is an important and clinically relevant measure, used extensively as an imaging trial endpoint. However, lesions may also shrink or disappear entirely due to atrophy.
Can you have MS without demyelination?
Now, new study findings have identified a subtype of MS—myelocortical MS (MCMS)—that has neuronal loss but no demyelination of the brain's white matter.
Does anxiety make MS symptoms worse?
Many people with MS notice that baseline symptoms, such as weakness or impaired coordination, can be worse during times of stress and anxiety.
How long do MS flares last?
How long do they last? To qualify as a flare-up, symptoms must last for at least 24 hours. The duration of a flare-up can be different for each person and for each flare-up. Flare-ups may only last for a few days, but sometimes they can last for weeks and even months at a time.
Does MS make your brain shrink?
Brain atrophy, or brain shrinkage, is an important aspect of multiple sclerosis (MS). It's one of the most destructive consequences of the disease. Brain atrophy can be seen in the earliest stages of MS and may lead to irreversible neurological and cognitive impairments.
How often is MS misdiagnosed?
The misdiagnosis of multiple sclerosis (MS) is a problem with significant consequences for patients as well as the healthcare system. There are nearly 1 million people in the United States living with the disease. And researchers now say nearly 20 percent of them are misdiagnosed.
What is the mildest form of MS?
There's no cure for multiple sclerosis, but benign MS is the mildest form of the condition.
Does MS fatigue come and go?
It can be acute (lasting a month or less) or chronic (lasting from 1 to 6 months or longer). Fatigue can prevent you from functioning normally and affects your quality of life. According to the National Multiple Sclerosis Society, 80% of people with MS have fatigue.
Why do MS symptoms come and go?
MS symptoms can come and go and change over time. They can be mild, or more severe. The symptoms of MS are caused by your immune system attacking the nerves in your brain or spinal cord by mistake. These nerves control lots of different parts of your body.
Does MS get worse at night?
“MS pain that commonly interferes with sleep is neuropathic pain — often described as burning, shooting, searing, or deeply aching. This pain can be relentless and is often worse at night.”
How fast does MS progress without medication?
Without treatment, approximately half of individuals with RRMS convert to SPMS within 10 years. However, with the introduction of long-term disease-modifying therapies (DMTs), fewer individuals advance to this latter form of the disease.