COVID back pain is one of the most commonly reported and overlooked symptoms of both acute COVID-19 and long COVID. Musculoskeletal pain — particularly in the lower back — affects a significant portion of people during and after infection. If you developed back pain during or after COVID, you’re not alone, and there are real physiological reasons it’s happening.
Does COVID Cause Back Pain?
Yes. Both acute COVID-19 and long COVID are associated with musculoskeletal pain, including low back pain. Studies have found that back pain was reported in a significant portion of patients during acute infection and that it persists in a meaningful subset of people with long COVID. Two distinct mechanisms are at work: the systemic inflammatory response triggered by the virus itself during acute infection, and the physical deconditioning and postural changes that accumulate during prolonged illness or isolation.
Understanding which mechanism is driving your pain is the first step toward effective treatment. They look similar on the surface but respond to different interventions.
Why Does COVID Cause Low Back Pain Specifically?
There are four mechanisms that explain COVID-related back pain. The first is systemic inflammation. COVID triggers a significant cytokine response — an immune system cascade that causes widespread muscle and joint pain. The spine and paraspinal muscles are commonly affected because of their size and density of nerve endings. This inflammatory pain is typically diffuse and bilateral, and it usually resolves as the acute infection clears.
The second is deconditioning. Even two to three weeks of reduced activity causes measurable muscle loss, particularly in the core and posterior chain. Prolonged bed rest or working from an improvised home setup compounds this. The third mechanism involves postural changes — extended time lying down, hours at a makeshift desk, and significantly reduced movement patterns all alter the load distribution on the spine. The fourth, and most complex, is the neurological component seen in long COVID. Some patients develop pain sensitization after infection, where the nervous system enters a heightened state that amplifies pain signals even after the virus is gone. This is real pathophysiology, not a psychological phenomenon.
What Does COVID Back Pain Feel Like?
COVID-related back pain typically presents as diffuse, aching discomfort that’s often worse in the morning or after prolonged sitting. It tends to be bilateral rather than one-sided. This is different from a typical disc injury, which usually presents as sharp, radiating pain that follows a specific nerve distribution (dermatomal) — often into one leg.
There are red flags that warrant immediate evaluation rather than waiting: any bladder or bowel changes, significant leg weakness, numbness or tingling that doesn’t resolve, or severe pain that’s getting progressively worse. These symptoms require prompt medical attention regardless of COVID history.
How Long Does COVID Back Pain Last?
During the acute phase, most COVID-related musculoskeletal pain resolves within one to three weeks as the infection clears. For long COVID patients, back pain can persist for months and often fluctuates alongside other long COVID symptoms like fatigue, brain fog, and post-exertional malaise. The fluctuating pattern — better some days, significantly worse after exertion — is characteristic of the condition.
It’s important to understand that persistent back pain after COVID has a real physiological basis. The pain sensitization and ongoing inflammatory processes in long COVID are documented and measurable. This is not a condition that resolves simply by pushing through it — in fact, the push-crash cycle is one of the most common mistakes long COVID patients make with exercise.
How Physical Therapy Treats COVID-Related Back Pain
A good PT assessment will first distinguish between true structural pathology, deconditioning, and pain sensitization — because the treatment approach differs significantly. For deconditioning-driven pain, treatment involves graded exercise prescription: progressive core stabilization, posterior chain loading, and walking programs that rebuild capacity without overwhelming the system. For long COVID pain sensitization, the treatment approach incorporates pain neuroscience education, graded activity, and pacing strategies designed to avoid the push-crash cycle.
Manual therapy — including soft tissue work and spinal mobilization where appropriate — can help with mobility and pain modulation in the short term. What’s well-established in the research is what doesn’t work: prolonged rest, fear-avoidance behaviors, and guarding patterns all worsen outcomes for both acute and long COVID back pain. Movement, appropriately dosed, is consistently the most effective intervention.
Exercises for COVID Back Pain
A few evidence-based exercises are commonly appropriate as a starting point for COVID-related low back pain. Cat-cow — on hands and knees, alternating between arching and rounding the spine — gently restores spinal mobility and is appropriate even for deconditioned patients. Bird-dog — extending one arm and the opposite leg simultaneously from quadruped — challenges core stability without spinal loading. Dead bug — lying on your back with arms and legs in the air, lowering one arm and opposite leg toward the floor while maintaining a neutral spine — is a foundational core exercise with a low injury risk. Walking is underrated: a progressive walking program (starting with 10-15 minutes at a comfortable pace) is one of the most effective interventions for both deconditioning and pain sensitization.
A critical note for long COVID patients: the push-crash cycle is real and can set recovery back significantly. Work with a physical therapist to calibrate exercise intensity before pushing into fatigue. The goal is consistent, sustainable activity — not maximizing effort in single sessions.
Getting the Right Help
Recovering from COVID or dealing with persistent back pain months after infection? Highbar’s physical therapists can help you understand what’s driving your pain and build a structured recovery plan. Schedule an appointment at a Highbar location near you.
Dr. Andrew Horton PT, DPT, OCS is a physical therapist at Highbar Physical Therapy. His clinical focus includes orthopedic and musculoskeletal rehabilitation, with experience treating complex post-illness deconditioning and chronic pain presentations.
