Yes, smoking increases your risk of developing rheumatoid arthritis and can make existing arthritis worse
Smoking damages the lining of your joints and weakens your immune system in ways that directly trigger arthritis. People who smoke are two to three times more likely to develop rheumatoid arthritis than people who have never smoked. If you already have arthritis, smoking speeds up joint damage, makes pain harder to control, and reduces how well arthritis medications work.
The connection is strongest with rheumatoid arthritis (RA), an autoimmune form where your body attacks its own joint tissue. Osteoarthritis, the wear-and-tear form, is also linked to smoking, though the connection is less direct. The good news: quitting smoking at any age reduces your arthritis risk and can slow damage if you already have the disease.
Key Takeaways
- Smoking roughly doubles or triples your chances of developing rheumatoid arthritis compared to never smoking.
- Smoking worsens existing arthritis by increasing inflammation, speeding joint damage, and making medications less effective.
- The damage happens because smoking changes how your immune system works and reduces blood flow to joints.
- Quitting smoking at any point lowers your arthritis risk and can slow progression if you already have the disease.
- Former smokers have lower arthritis risk than current smokers, even if they smoked for many years.
How smoking triggers rheumatoid arthritis
Smoking changes the way your immune system responds to your own cells. In rheumatoid arthritis, your immune system mistakenly attacks the synovium — the lining inside your joints. Smoking appears to make this mistake more likely by altering proteins in your lungs and joints in ways that trigger this autoimmune response.
Researchers have found that smokers develop specific antibodies (immune proteins) that attack joint tissue at higher rates than non-smokers. These antibodies can show up in blood tests years before you feel any joint pain. The longer you smoke, the more of these antibodies build up, raising your risk further.
Smoking also reduces blood flow to joints and lowers antioxidants in your body — substances that normally protect cells from damage. This combination makes your joints more vulnerable to inflammation and breakdown.
Smoking and osteoarthritis: the indirect path
Osteoarthritis develops when the cartilage cushioning your joints wears down over time. Smoking does not directly attack cartilage the way it does in rheumatoid arthritis, but it speeds up wear-and-tear in several ways.
Smoking reduces oxygen delivery to cartilage and slows the healing of small injuries to joints. It also increases oxidative stress — a type of cellular damage — which breaks down cartilage faster. People who smoke are more likely to develop osteoarthritis in their knees, hips, and hands, especially if they also have a history of joint injury.
Why smoking makes existing arthritis worse
If you already have arthritis, smoking accelerates the damage. Studies show that smokers with rheumatoid arthritis have more active inflammation, more joint damage on X-rays, and higher pain levels than non-smokers with RA. Smoking also makes it harder for your body to repair itself after inflammation.
Smoking interferes with how well arthritis medications work. Biologic drugs and DMARDs (disease-modifying antirheumatic drugs) — the most effective treatments for RA — are less effective in smokers. This means you may need higher doses or more frequent treatment adjustments to reach the same level of control.
The combination of faster damage and weaker medication response means smokers with arthritis often end up with worse long-term outcomes: more joint deformity, greater disability, and lower quality of life.
What happens to your arthritis risk when you quit
Quitting smoking lowers your arthritis risk at any age. Former smokers have significantly lower rates of rheumatoid arthritis than current smokers, even if they smoked for decades. The longer you stay smoke-free, the more your risk drops — though it takes several years to reach the level of someone who never smoked.
If you already have arthritis, quitting can slow disease progression. Your joints will have better blood flow, your immune system will begin to stabilize, and your medications will work more effectively. Many people notice less pain and swelling within weeks of quitting, though the full benefit takes months.
Quitting also reduces your risk of other conditions that make arthritis worse, including heart disease, lung disease, and infections — all of which can trigger arthritis flares or complicate treatment.
Secondhand smoke and arthritis risk
Secondhand smoke exposure also raises arthritis risk, though not as much as active smoking. People who live or work around smokers have a higher rate of rheumatoid arthritis than those with no exposure. If you have arthritis, secondhand smoke can trigger flares and increase inflammation.
This means that even if you do not smoke yourself, your environment matters. If you live with a smoker, asking them to smoke outside or in a separate room can reduce your exposure and help protect your joints.
Steps to take if you smoke and have arthritis concerns
Talk to your doctor about your smoking history and current smoking status. If you have arthritis or a family history of arthritis, your doctor may recommend quitting as part of your treatment plan. If you are already being treated for arthritis, quitting can improve how well your medications work and slow joint damage.
Quitting is hard, and most people try several times before it sticks. Your doctor can refer you to smoking cessation programs, prescribe medications that reduce cravings, or connect you with counseling. Many programs are free or low-cost through your health insurance or local health department.
Even if you have smoked for years, quitting now will benefit your joints. The damage you have already done will not reverse, but you can prevent further damage and improve your quality of life.
Frequently Asked Questions
If I quit smoking now, will my arthritis go away?
No, but quitting will slow the disease and reduce pain and swelling. Existing joint damage does not reverse, but your body stops accumulating new damage at the same rate. Many people notice improvement in symptoms within weeks to months of quitting.
Does smoking cause osteoarthritis the same way it causes rheumatoid arthritis?
No. Smoking does not directly trigger osteoarthritis the way it does rheumatoid arthritis. Instead, smoking speeds up the normal wear-and-tear process by reducing blood flow to cartilage and increasing cellular damage. The effect is slower but still significant.
Can secondhand smoke give me arthritis?
Secondhand smoke raises your arthritis risk, but the increase is smaller than with active smoking. If you have a family history of arthritis or already have arthritis, limiting secondhand smoke exposure is worth doing, but it is not a may provide cause.
Will my arthritis medications work better if I quit smoking?
Yes. Biologic drugs and DMARDs are significantly more effective in non-smokers. If you quit, your doctor may be able to use lower doses or achieve better disease control with the same dose. This usually takes a few weeks to become noticeable.
How long after quitting will I see improvement in my arthritis symptoms?
Some people notice less pain and swelling within two to four weeks. Full benefits — including better medication response and slower disease progression — typically take several months. The longer you stay smoke-free, the greater the benefit.