Pain across the back of your hand, the area doctors call the “dorsum,” usually stems from overuse of the tendons and joints that run just beneath the skin there. Unlike the palm, which is padded with thick tissue and muscle, the back of the hand has very little cushioning between the skin and the underlying bones, tendons, and veins. That makes the area vulnerable to a surprisingly wide range of problems, from inflamed tendons to bony lumps to nerve compression. Here are six of the most common causes and what to watch for with each.
1. Extensor Tendonitis
The tendons that straighten your fingers and pull your wrist upward all travel across the back of your hand. When those tendons get irritated from repetitive motion, the result is extensor tendonitis, and it is probably the single most common reason for aching or burning pain on the dorsal side. Typing, gripping a mouse, playing an instrument, or any activity that keeps the wrist extended for hours can set it off. You will usually notice the pain worsens when you try to lift something with a flat hand or push yourself up from a table.
A related and often-overlooked condition is intersection syndrome, which happens a few centimeters above the wrist where two groups of extensor tendons cross over each other. That crossing point becomes inflamed and sometimes produces a squeaky or creaky sensation when you move the wrist. It is common in rowers, weight lifters, and anyone who does repetitive wrist motions against resistance.1PubMed Central. Diagnosis and management of intersection syndrome as a cause of overuse wrist pain Unlike the more familiar De Quervain’s tendonitis on the thumb side, intersection syndrome sits a bit further up the forearm and onto the back of the wrist, and it tends to be mistaken for a sprain.
Another variant worth knowing about is extensor carpi ulnaris (ECU) tendonitis, which affects the tendon running along the outer edge of the wrist toward the pinky side of the hand. Diagnosing it can be tricky because ulnar-sided wrist pain has many look-alikes. Researchers have developed specific clinical tests to isolate the ECU tendon and reduce the need for MRI imaging in these cases.2PubMed Central. The string test: a novel test for diagnosing extensor carpi ulnaris tendonitis If your pain is concentrated on the pinky side of the back of your hand, especially when twisting a doorknob or rotating your forearm, ECU involvement is high on the list.
Most extensor tendonitis responds well to rest, ice, and a short period of splinting. Physical therapy and proper splinting can restore range of motion and grip strength effectively when tendon problems are caught early.3PubMed Central. Physical therapy and splinting after flexor tendon repair in zone II Anti-inflammatory medication helps during flare-ups, but the real fix is usually modifying whatever activity caused the overuse in the first place.
2. Ganglion Cysts and Carpal Bossing
If you notice a visible lump on the back of your hand or wrist along with the pain, a ganglion cyst is the most likely explanation. These fluid-filled sacs develop from the lining of a joint or tendon sheath and tend to appear near the wrist crease, though they can show up anywhere on the dorsum. They feel smooth, round, and slightly squishy. They are not cancerous. Some are painless and just look odd, but others press on nearby structures and cause a dull ache, especially with wrist movement.
Less well known is carpal bossing, a hard bony bump that forms at the base of the second or third metacarpal where it meets the small wrist bones. Unlike a ganglion, a carpal boss feels like bone because it is bone: an overgrowth of the joint margin. To make diagnosis even more confusing, ganglion cysts sometimes develop right on top of a carpal boss, creating a soft lump over a hard one.4PubMed Central. A rare case of carpal boss lesion with an overlying ganglion cyst: case report and literature review When this happens, the ganglion may mask the underlying bony issue. If a soft lump on the back of your hand does not fully resolve after aspiration (needle drainage), your doctor may want to image the area to check for a boss underneath.
Small ganglion cysts can disappear on their own. Larger or painful ones are treated by aspiration or, if they keep returning, surgical removal. Carpal bosses rarely need surgery unless they are painful enough to limit hand use, but knowing you have one is valuable because it changes what kind of follow-up makes sense.
3. Metacarpal Stress Fractures and Ligament Sprains
When the pain on the back of your hand came on gradually and is focused over one of the long bones running from wrist to knuckle, a stress fracture of a metacarpal bone is worth considering. These are not the dramatic breaks you get from punching a wall. They are slow-developing cracks caused by repetitive force, and they are easy to dismiss as a muscle strain because there is no single obvious injury event. Activities that load the hand over and over, such as golf, martial arts, or manual labor, put the metacarpals at risk. One documented case involved a young golfer who developed a metacarpal stress fracture after several months of daily practice, with no single traumatic episode.5PubMed Central. Hand Pain in a Golfer: A Case Report of a Metacarpal Stress Injury and a Review of the Literature Regarding Return to Play in Grip Athletes
Ligament sprains in the hand are more common after a fall or a sudden twisting motion. The ligaments that connect the small wrist bones to each other and to the metacarpals sit right under the dorsal skin, and a partial tear can cause persistent swelling and pain on the back of the hand. These injuries often go undetected on standard X-rays. Physical examination maneuvers that reproduce your specific pain pattern can be surprisingly accurate at pinpointing which ligament is damaged, sometimes more so than imaging alone.6PubMed. Physical Examination of the Wrist: Useful Provocative Maneuvers
A stress fracture typically needs immobilization in a splint or cast for several weeks. Ligament sprains range from buddy-taping and rest for mild injuries to surgical repair for complete tears with instability. The key signal that separates these from tendonitis is pain localized to a specific bone or joint line rather than along the path of a tendon, and pain that worsens when you press directly on the spot rather than when you move the tendon through its range.
4. Nerve Compression on the Back of the Hand
A burning, tingling, or numb patch on the back of your hand, particularly in the web space between the thumb and index finger, may point to compression of the superficial branch of the radial nerve. This condition, called Wartenberg syndrome, causes sensory symptoms rather than the deep ache of a tendon problem. The nerve runs across the forearm and over the wrist on the thumb side, sitting close to the surface where it is vulnerable to external pressure.
The causes can be oddly specific. In one case series of 34 patients with this type of nerve injury, about one in five had a compressive cause, including one patient whose symptoms were traced to wearing a tight fitness tracker and typing for hours at a stretch.7PubMed Central. Etiological study of superficial radial nerve neuropathy: series of 34 patients Handcuffs and prolonged pressure on the forearm during unconsciousness were other triggers in that same series. Intrinsic compression from a cyst pressing on the nerve was identified in a smaller number of cases.7PubMed Central. Etiological study of superficial radial nerve neuropathy: series of 34 patients
Wartenberg syndrome is often missed because people assume hand numbness means carpal tunnel. But carpal tunnel affects the palm side and the fingertips of the thumb, index, and middle fingers. Wartenberg affects the back of the hand and the thumb-side wrist, a completely different territory. If your symptoms are dorsal and sensory, especially if they worsened after you started wearing a snug wristband or watch, bring that detail to your doctor’s attention. Treatment usually involves removing the offending pressure source, and symptoms resolve over weeks to months as the nerve recovers.
5. Arthritis and Other Inflammatory Conditions
Arthritis is the cause people most often worry about, and it is a legitimate one. Osteoarthritis of the hand tends to affect the base of the thumb and the small joints closest to the fingertips, but it can also involve the wrist and the joints where the metacarpals meet the wrist bones. When it does, you feel a stiff, achy pain across the back of the hand, worst in the morning or after periods of inactivity, that slowly eases as you move.
Rheumatoid arthritis follows a different pattern. It favors the knuckles and wrist joints, often symmetrically (both hands at once), and brings noticeable swelling. If the back of both hands is puffy, warm, and stiff for more than an hour each morning, that pattern is suggestive enough to warrant blood work for inflammatory markers.
Less commonly, crystal-deposition diseases like gout and pseudogout can flare in the hand. Pseudogout in particular can cause sudden, severe joint inflammation that mimics infection, with a hot, swollen, and very painful joint.8PubMed Central. Pseudogout: A Rare Cause of Acute Carpal Tunnel Syndrome and Acute Guyon Canal Syndrome These episodes come on fast, over hours, and can be alarming. If a joint on the back of your hand swells up dramatically and turns red with no obvious injury, crystal arthritis and infection are the two main possibilities, and both need same-day medical evaluation.
For osteoarthritis, management revolves around hand exercises, anti-inflammatory medication, and occasionally steroid injections into the affected joint. Rheumatoid arthritis is managed with disease-modifying drugs that slow joint damage. Crystal arthritis flares are treated with anti-inflammatories or colchicine, and long-term management aims to prevent recurrences. The prognosis for all three improves substantially with early diagnosis.
6. Vascular Problems and Infections
Blood vessel issues in the hand are uncommon but worth recognizing because they can become serious. Conditions that constrict or block the small arteries on the back of the hand cause ischemic pain, a deep ache that sometimes comes with color changes in the fingers or skin that looks pale and feels cold. People with autoimmune disorders, heavy smokers, and those who work with vibrating tools are at higher risk. Managing these vascular problems often requires a combination of medications and sometimes surgery, and the concern escalates if ulcers or persistent color changes develop in the fingers.9PubMed Central. Management of acute and chronic vascular conditions of the hand
Hand infections are another category that can cause dorsal pain and swelling. Because the back of the hand has loose connective tissue, infections there can spread quickly and cause dramatic puffiness even when the entry wound was tiny: a small cut, a thorn prick, or an animal bite. Late diagnosis of a hand infection increases the risk of lasting damage to tendons and joints, so any hand pain accompanied by spreading redness, warmth, fever, or red streaks moving up the arm warrants urgent care.10PubMed Central. Infections of the hand: an overview
Thrombosis of a dorsal hand vein (sometimes called Mondor disease of the hand) is an uncommon but startling presentation. A superficial vein on the back of the hand becomes hard, cord-like, and painful to touch. It usually resolves on its own with warm compresses and anti-inflammatories, but it can occasionally signal an underlying clotting disorder worth investigating.
When Pain on the Back of Your Hand Might Be Coming from Somewhere Else
One of the frustrating aspects of dorsal hand pain is that it does not always originate in the hand. Problems in the wrist, forearm, or even the neck can refer pain to the back of the hand and send you chasing the wrong diagnosis. A cervical nerve root irritation at the C6 or C7 level, for example, can send aching or burning sensations down the arm and into the hand. The pain pattern may mimic tendonitis or arthritis, but it worsens with neck movements rather than hand movements.
Neuropathic pain can also masquerade as a skin problem. Some patients develop redness, irritation, or a burning sensation on the skin of the hand that looks like a rash or dermatitis but is actually nerve-driven pain mimicking a cutaneous condition. Because the presentation so closely resembles a skin disorder, these patients sometimes cycle through dermatologic treatments for months before the nerve source is identified.11PubMed Central. Neuropathic Pain Masquerading as Dermatologic Symptoms: A Case of Misleading Cutaneous Presentation If your hand pain comes with skin changes that do not respond to topical creams, it is worth asking whether the issue is neurological rather than dermatological.
Referred pain from trigger points in the forearm muscles is another underappreciated source. The extensor muscles that control the hand sit in the forearm, and tight, knotted areas within those muscles can project pain to the back of the hand even though the hand itself is structurally fine. Pressing firmly into the outer forearm and finding a spot that reproduces your hand pain is a low-tech way to check for this. Massage, stretching, and dry needling of the forearm trigger points often brings relief when local hand treatments have not worked.
Sorting Out What Is Going On
With six or more possible causes, figuring out which one applies to you depends on a handful of distinguishing details. The character of the pain matters: a dull ache that worsens with movement points toward tendons, bones, or joints; burning, tingling, or numbness suggests a nerve; sudden swelling with heat and redness raises concern for infection or crystal arthritis. How the pain started matters, too. Gradual onset after repetitive activity favors tendonitis or a stress fracture. Pain after a fall suggests a ligament sprain or fracture. Sudden flare-ups with no clear trigger lean toward inflammatory or vascular causes.
Where exactly the pain sits is one of the most useful clues. Pain along the length of a tendon that worsens when you stretch or resist that tendon is classic tendonitis. Pain right over a joint that increases with compression favors arthritis or a ligament problem. Pain in a specific nerve territory, like the thumb-side back of the hand, with sensory changes points to nerve compression. Carefully performed provocative maneuvers during a physical exam can reproduce the precise character of your pain and help pinpoint the diagnosis, often more reliably than imaging.6PubMed. Physical Examination of the Wrist: Useful Provocative Maneuvers
For most of these conditions, a thorough clinical exam is the starting point. X-rays are useful when a fracture, arthritis, or carpal boss is suspected. Ultrasound is excellent for ganglion cysts and tendon problems. MRI is reserved for cases where the diagnosis remains uncertain or surgery is being considered. Blood tests are added when inflammatory arthritis or gout is in the picture. Many people worry that dorsal hand pain signals something catastrophic, but the vast majority of cases turn out to be musculoskeletal problems that respond to conservative care. The exceptions, chiefly infection, vascular compromise, and inflammatory arthritis, tend to announce themselves with red-flag symptoms like rapid swelling, color changes, fever, or pain that is wildly out of proportion to any injury.
Everyday Habits That Aggravate the Dorsum
Your daily hand position during work plays a larger role than most people realize. Keeping the wrist extended while typing or mousing places the extensor tendons under constant low-grade tension. Over weeks and months, that tension accumulates into tendonitis. Lowering your keyboard so your wrists sit in a more neutral position, using a padded wrist rest, or switching to a split keyboard can make a noticeable difference.
Gripping activities are another common aggravator. Cycling with a tight grip on the handlebars, lifting weights with excessive wrist extension, or even carrying heavy grocery bags with the fingers curled loads the extensor mechanism and the metacarpal joints. If you notice that dorsal hand pain consistently shows up after a particular activity, the activity itself is usually the diagnosis. Adjusting your grip, taking regular breaks, and strengthening the forearm extensors with light resistance exercises are straightforward and effective preventive measures.
Cold exposure is an underrated contributor for people with vascular vulnerability. Working outside in winter without gloves can provoke vasospasm in the small hand arteries, causing pain and color changes on the dorsum. This is especially true if you already experience Raynaud’s phenomenon, where fingers turn white or blue in the cold. Insulated gloves and hand warmers are simple but meaningful interventions for anyone whose dorsal hand pain correlates with cold weather.