Bursitis typically feels like a dull, achy pain centered around a joint, often accompanied by visible swelling and tenderness when you press on the area. The sensation can shift from a low-grade ache at rest to a sharp pinch or shooting pain during certain movements. Where you feel it, how intense it gets, and what makes it worse all depend on which joint is affected.
The Core Sensation
The baseline feeling of bursitis is a deep, dull ache in or around a joint. It’s not the kind of pain that stays constant at one level. Most people notice it worsens with movement or pressure and eases somewhat with rest. The affected area is often tender to the touch, meaning even light pressure from clothing, a mattress, or leaning on a surface can be uncomfortable.
During a flare-up, that dull ache can escalate to very severe, sharp, or shooting pains. This tends to happen when you move the joint through a specific range of motion or put direct weight on it. The skin over the swollen area may feel warmer than the surrounding skin, and you might see visible puffiness or redness depending on how close the inflamed bursa sits to the surface.
How It Feels in the Shoulder
Shoulder bursitis often starts as a vague ache on the outer or front part of the shoulder. The signature moment is when you lift your arm overhead: the pain can become sharp or feel like a pinch inside the shoulder. Reaching into a high cabinet, throwing a ball, or even pulling on a seatbelt can trigger that catching sensation. Repetitive overhead motions, like painting a ceiling or swimming, tend to make it progressively worse over the course of a day.
Sleeping is where shoulder bursitis becomes especially frustrating. Lying on the affected side compresses the inflamed bursa directly, often waking you up or making it impossible to find a comfortable position. Even lying on the opposite side can pull the shoulder forward enough to cause discomfort.
How It Feels in the Hip
Hip bursitis produces pain on the outside of the hip, right over the bony prominence you can feel at the top of your thighbone. It’s a spot many people wouldn’t expect, since “hip pain” often brings to mind the groin or deep inside the joint. With bursitis, the pain sits distinctly on the outer hip and may extend along the outside of the thigh.
Walking, climbing stairs, and getting up from a chair can all aggravate it. But like shoulder bursitis, the worst moment for many people is nighttime. Lying on the affected hip puts your full body weight on the inflamed area, and even side-sleeping on the opposite hip can create enough tension across the outer thigh to keep you awake. If you notice pain radiating all the way down your leg, that warrants medical attention, as it may signal something beyond bursitis.
How It Feels in the Knee and Elbow
Bursitis in the knee (often at the front of the kneecap) and elbow tends to look more dramatic than bursitis in deeper joints. The swelling can form a clearly defined, soft, fluid-filled lump, sometimes described as a “goose egg” sitting right over the bony point. At the elbow, this swelling is more visible when your arm is straight than when it’s bent.
The pain in these areas is less about movement through a range of motion and more about direct pressure. Kneeling on a hard floor with knee bursitis can be excruciating. Resting your elbow on a desk or table becomes surprisingly painful. These are the joints where bursitis most obviously interferes with small, everyday habits you didn’t realize relied on leaning or pressing against surfaces.
Why It Gets Worse at Night
Nearly everyone with bursitis notices the pain intensifies after they go to bed. Several things converge to make this happen. Cortisol, your body’s natural anti-inflammatory hormone, peaks in the morning and drops to its lowest levels at night, leaving inflammation less controlled while you sleep. At the same time, lying down changes how fluid distributes through your body. Gravity is no longer pulling fluid downward, so swelling around the bursa can increase, adding pressure.
There’s also a mechanical component. During the day, the muscles and tendons around a joint provide active support. When you fall asleep and those muscles relax, the joint loses some of its stability, and more strain falls on the irritated bursa. Reduced blood flow during prolonged stillness can make the joint feel stiffer, so rolling over onto the wrong side delivers a sudden jolt of pain into what had been a manageable ache.
And then there’s the simple fact that nighttime removes distractions. During a busy day, you may barely register a low-grade ache. In a quiet, dark room with nothing else competing for your attention, that same level of pain feels much more intense.
What Makes It Worse vs. Better
The pattern with bursitis is predictable: anything that compresses, stretches, or repeatedly moves the affected bursa will increase pain. Overhead reaching aggravates the shoulder. Stairs and prolonged walking aggravate the hip. Kneeling aggravates the knee. Leaning on hard surfaces aggravates the elbow. Activities that require a lot of force through the joint, like swinging a hammer or pushing heavy objects, tend to be worse than gentle movements.
Rest generally brings relief, but not always. Complete immobility, especially overnight, can lead to stiffness that makes the first movements of the morning painful. Many people find that gentle, low-impact movement feels better than either intense activity or total stillness. Ice on the swollen area and avoiding direct pressure on the joint are the most straightforward ways to bring the pain down during a flare.
Bursitis vs. Tendonitis
These two conditions overlap so much that even doctors sometimes need imaging to tell them apart. Both cause pain around a joint, both worsen with activity, and both can affect the same areas. The key difference is what’s inflamed: bursitis involves the fluid-filled cushioning sacs around a joint, while tendonitis involves the cords that attach muscle to bone.
In practice, bursitis pain tends to feel more diffuse and achy, centered over a broader area, and is more likely to produce noticeable swelling. Tendonitis pain often feels more pinpointed along the line of a specific tendon and worsens when that particular muscle contracts. But the two frequently occur together, since the same repetitive motions that irritate a bursa also stress the nearby tendons.
Signs of Infection
Most bursitis is caused by overuse or pressure and resolves with rest and basic self-care. Infected bursitis, called septic bursitis, feels different. The skin over the joint becomes noticeably red and hot, not just slightly warm. Swelling may increase rapidly, and the pain can be more intense than typical overuse bursitis. You might develop a fever or feel generally unwell.
Septic bursitis is most common at the elbow and knee, where the bursa sits close to the skin surface and is vulnerable to bacteria entering through cuts or scrapes. If you see spreading redness, excessive swelling, or feel feverish alongside joint pain, that combination points toward infection and needs prompt treatment. Left alone, it can worsen quickly, but caught early it typically responds well to antibiotics.