Overview
Hand osteoarthritis is a degenerative joint condition that most often affects the finger joints and the thumb base (carpometacarpal joint). It involves wear and breakdown of joint cartilage along with changes in the bone, such as bone spurs (osteophytes), which can irritate surrounding tissues. As the joint environment becomes less smooth and more inflamed, patients commonly feel pain, stiffness, and reduced grip strength. Over time, joints may develop noticeable bony enlargement and decreased motion, but many people can manage symptoms effectively without surgery.
Symptoms
Symptoms usually center on aching or soreness in the finger joints and/or thumb base, with stiffness that is often worse after rest and may improve with movement. You may notice swelling during flares, tenderness when gripping, and a rough or crackling feeling (crepitus) in the affected joints. Many people develop hard bony bumps at the distal and middle finger joints (often called Heberden's and Bouchard's nodes). Functional problems can include weaker grip, slower hand use, and difficulty with twisting jars, opening lids, or pinching small objects.
Causes
Hand osteoarthritis develops when joint cartilage gradually loses its ability to absorb stress, leading to mechanical wear and irritation inside the joint. The body responds by forming osteophytes and thickening joint structures, which can further limit motion and provoke pain. Repetitive use, prior injury, and anatomic alignment issues can accelerate this normal aging process in susceptible joints.
Risk Factors
Risk increases with age, because cartilage and joint tissues naturally change over time. Prior hand or joint injury, certain occupations or hobbies that involve frequent gripping or repetitive hand motions, and family history can increase the likelihood of developing hand osteoarthritis. Some people are also more prone to thumb base arthritis due to biomechanics and joint alignment. Maintaining a healthy weight and managing joint stress can help reduce flare-ups and progression.
Prevention
While you cannot fully prevent osteoarthritis, you can lower stress on painful joints and slow symptom worsening. Use joint-friendly techniques such as pacing activities, avoiding long periods of forceful gripping, and using larger grips or adaptive tools to reduce pinch load. Regular hand mobility and strengthening (often guided by a therapist) can improve function and tolerance for daily tasks. Staying at a healthy weight and using ergonomic adjustments for tools and workstations can also help protect hand joints.
How the Diagnosis Is Evaluated
Clinicians typically start with a symptom history, focusing on which joints hurt, how symptoms change with activity, and whether there are morning stiffness patterns or other joint complaints. A physical exam looks for joint tenderness, reduced range of motion, swelling during flares, and characteristic bony enlargement at common finger joints. X-rays are often used to confirm the pattern of osteoarthritis, such as joint space narrowing and osteophytes, though not every patient needs imaging right away. If symptoms suggest an inflammatory arthritis instead, blood tests may be considered to help rule out conditions like rheumatoid arthritis.
Nonsurgical Treatment Options
Conservative treatment focuses on reducing pain, improving hand function, and limiting joint irritation. Patients often benefit from activity modification, heat or paraffin for stiffness, and topical or oral anti-inflammatory medicines when appropriate; some people use acetaminophen for pain control. Hand therapy can provide targeted exercises for mobility and grip strength and teach joint-protection strategies. Splinting, such as a thumb spica splint for thumb base arthritis, can decrease painful joint motion and improve daily function. If pain remains significant in a specific joint, a clinician may consider a corticosteroid injection for short-term flare control; in selected cases, some clinicians may offer platelet rich plasma (PRP) injections, though evidence varies and it may not be covered by insurance.
When to Seek Medical Attention
Seek medical evaluation if hand pain, stiffness, or functional loss is persistent, worsening, or interfering with work or daily activities despite basic self-care. Get prompt care if you have sudden severe swelling, redness with warmth, fever, or rapidly increasing pain, because these could indicate infection or another urgent problem. You should also be seen urgently if you develop new significant weakness, progressive loss of hand function, or concerning numbness/tingling that suggests nerve involvement.
Frequently Asked Questions
Hand osteoarthritis most often affects the finger joints (especially the distal and middle joints) and the thumb base joint.
Yes, splints-particularly a thumb spica splint for thumb base pain-can reduce painful motion and improve gripping and pinching.
Corticosteroid injections may be considered when one specific joint has frequent or severe flare pain that does not respond well to conservative measures.
Next Steps
If your hand pain or stiffness is persistent or affecting daily tasks, schedule an evaluation with a primary care clinician or hand-focused orthopedic/rehabilitation specialist. They can confirm the diagnosis, review which joints are involved, and recommend a stepwise non-surgical plan tailored to your pain pattern and function.