Arthritis in the hand is the breakdown or inflammation of one or more joints in the fingers, thumb, or wrist, causing pain, stiffness, and difficulty with everyday tasks like gripping, pinching, or turning a doorknob. It affects roughly 10% of adults over 30, and women develop it nearly three times more often than men. Several types of arthritis can target the hand, but the most common by far is osteoarthritis, followed by rheumatoid arthritis and psoriatic arthritis.
Types That Affect the Hand
Osteoarthritis is a wear-and-tear condition. The cartilage cushioning your joints gradually breaks down, and eventually bone grinds against bone. The pain tends to develop slowly over months or years, and it often comes and goes at first. Morning stiffness is common but usually fades within a few minutes of moving your hands.
Rheumatoid arthritis works differently. It’s an autoimmune condition where your immune system attacks the tissue lining your joints, causing inflammation that can erode cartilage and bone. Symptoms tend to build over weeks rather than years, and they often start with general fatigue, low-grade fever, and vague achiness before joint pain becomes obvious. Morning stiffness from rheumatoid arthritis lasts an hour or longer, which is one of the clearest ways to tell it apart from osteoarthritis early on.
Psoriatic arthritis is a third possibility, often appearing in people who already have the skin condition psoriasis. It tends to affect the joints closest to the fingertips and can cause the fingers to swell into a sausage-like shape.
Which Joints Are Involved
Each finger has three joints: the knuckle where the finger meets the hand (the MCP joint), the middle joint (PIP), and the joint nearest the fingertip (DIP). The thumb has an additional joint at its base called the CMC joint. Different types of arthritis favor different locations, which is one reason a doctor can often narrow down the type just by examining your hands.
Osteoarthritis most commonly hits the DIP joints (near the fingertips) and the CMC joint at the base of the thumb, and sometimes the middle PIP joints. Rheumatoid arthritis typically targets the MCP joints (the knuckles) and the PIP joints, but usually spares the fingertip joints. Psoriatic arthritis often involves the DIP joints as well.
What Causes Cartilage to Break Down
In osteoarthritis, the process starts when inflammatory signals inside the joint ramp up the activity of enzymes that dissolve cartilage. These enzymes chew through the structural proteins that give cartilage its strength and flexibility. As the cartilage thins, the body tries to compensate by growing new bone along the joint margins. These bony outgrowths are called bone spurs, or osteophytes. They’re the body’s attempt to stabilize the joint, but they often make the joint look enlarged and can limit movement further.
Genetics play a real role. Some people inherit a reduced ability to repair cartilage or a tendency toward abnormal calcification in their joints, both of which accelerate damage. Low vitamin K levels may also contribute by impairing the proteins that normally prevent unwanted calcium deposits in cartilage.
Risk Factors
Age is the strongest predictor. The older you are, the more likely your hand joints have accumulated enough wear to become symptomatic. Beyond age, the key risk factors include:
- Sex: Women are affected far more often than men, with prevalence around 13.5% in women versus 5.8% in men over 30.
- Genetics: A family history of osteoarthritis often means earlier onset.
- Previous injuries: Fractures, dislocations, or ligament damage to a finger or wrist significantly raise the odds of arthritis in that joint later, even if the injury healed well.
- Obesity: Surprisingly, even though hands aren’t weight-bearing joints, obesity increases the risk of hand osteoarthritis, likely through systemic inflammation.
- Overuse or joint misalignment: Repetitive stress on particular joints, loose ligaments, or joints that don’t line up properly can all accelerate cartilage loss.
Symptoms and Physical Signs
Pain is the earliest and most noticeable symptom. It typically flares during activities that load the joint: gripping a pen, opening a jar, turning a key. Over time the pain can become more constant, even at rest. Stiffness after periods of inactivity is nearly universal, though its duration helps distinguish the type (minutes for osteoarthritis, an hour or more for rheumatoid arthritis).
As osteoarthritis progresses, small bony bumps can form on the fingers. Bumps on the joints nearest the fingertips are called Heberden’s nodes. They’re pea-sized, hard, and sometimes tender. Similar bumps on the middle finger joints are called Bouchard’s nodes. These aren’t dangerous, but they’re a visible sign of advancing joint damage and can make rings difficult to wear.
Reduced grip strength is common across all types. You may find yourself struggling with tasks you used to do without thinking, like unscrewing a bottle cap or buttoning a shirt. Swelling, warmth, and redness around the affected joints are more prominent in rheumatoid and psoriatic arthritis but can also appear during osteoarthritis flares.
Thumb Arthritis Deserves Special Attention
The CMC joint at the base of the thumb is one of the most commonly affected joints in the hand, and its impact on daily life is outsized. This joint is responsible for the thumb’s ability to pinch, grasp, and oppose the fingers. When it becomes arthritic, pain shows up at the base of the thumb during pinching or gripping motions. Over time, you may notice less strength when holding objects, a shrinking range of motion, and a visibly enlarged or bony-looking joint at the thumb’s base. Because the thumb is involved in nearly every hand function, even mild thumb arthritis can feel disabling in ways that arthritis in other fingers does not.
How It’s Diagnosed
Diagnosis usually starts with a physical exam. A doctor will feel for bony enlargement, check your range of motion, and note which joints are tender or swollen. The pattern of joint involvement often points toward the type of arthritis.
X-rays confirm the diagnosis by showing two hallmark features: narrowing of the space between bones (where cartilage has worn away) and bone spurs along the joint margins. As the disease advances, X-rays may also reveal small cysts within the bone and areas of increased bone density near the joint surface. Blood tests can help distinguish rheumatoid arthritis from osteoarthritis by checking for markers of autoimmune inflammation.
Nonsurgical Treatment
Most people with hand arthritis manage it without surgery, especially in the early and moderate stages. The core approaches focus on reducing pain, protecting the joints, and maintaining function.
Splints and hand orthoses are one of the most effective tools. An occupational therapist can custom-fit a splint to support a specific joint, reducing pain during activity and slowing further deformity. Nighttime splints are commonly prescribed to let inflamed joints rest and calm swelling while you sleep. The type of splint depends on both the affected joint and the type of arthritis, since inflammatory arthritis and osteoarthritis stress joints in different ways.
Occupational therapy goes beyond splinting. A therapist can teach you specific exercises to maintain finger mobility and strengthen the small muscles that support your hand joints. They also help you find easier ways to do the tasks that aggravate your symptoms, like using jar openers, lever-style door handles, or built-up grips on pens and utensils. These modifications sound minor but can make a significant difference in daily comfort.
Over-the-counter anti-inflammatory medications and topical treatments applied directly to the joints can help manage flares. For rheumatoid or psoriatic arthritis, disease-modifying medications prescribed by a rheumatologist target the underlying immune dysfunction to slow joint destruction.
When Surgery Becomes an Option
Surgery is typically reserved for joints where cartilage is essentially gone and nonsurgical strategies no longer control the pain. The two main procedures for hand arthritis are joint fusion and joint replacement.
Joint fusion (arthrodesis) permanently locks two bones together, eliminating the painful motion at that joint. It’s most commonly used for the fingertip joints, where the loss of bending ability has relatively little impact on overall hand function. The surgeon removes the remaining damaged cartilage and bone, then secures the two bones with pins, screws, or plates until they grow together. The trade-off is straightforward: the pain goes away, but so does the movement at that joint.
Joint replacement (arthroplasty) is more often used for the knuckle joints and the base of the thumb, where preserving motion matters more. An artificial joint replaces the damaged surfaces, maintaining some flexibility. Recovery from either procedure takes weeks to months, and hand therapy afterward is essential to regain as much function as possible.