Rheumatoid arthritis is more than just joint pain: 7 ways it can affect your body

When most people hear rheumatoid arthritis (RA), they picture aching knuckles or stiff knees on a rainy morning. While joint pain is certainly the most famous symptom, RA isn't just a joint problem. It is a chronic autoimmune condition that affects roughly 1 in every 100 people worldwide.

In simple terms, RA can be explained as an overly aggressive security system that confuses your immune system into attacking healthy tissues in the body. While joints are usually the first targets, the inflammation may affect eyes, lungs, heart, skin, and even your mental well-being. Understanding these hidden effects, what doctors call extra-articular manifestations, is the key to protecting your overall health.

Beyond the skeleton: How RA affects the body?

So, where else does RA show up? The answer might surprise you.

Eyes: RA affecting the eyes presents with severe redness or deep pain in the eye. Other common symptoms include persistent burning, dryness, and a gritty feeling often linked to a related condition called Sjögren’s syndrome. 

Lungs: Inflammation can cause subtle scarring in lung tissue, leading to a lingering dry cough or feeling unusually winded during a light walk.

Heart: Chronic inflammation speeds up the clogging of arteries. In fact, living with unmanaged RA carries a heart disease risk similar to having diabetes. 

Energy levels: Persistent inflammation often drains your red blood cells, causing fatigue and weakness.

Nerves and bones: Swollen joints can pinch nearby nerves, causing hand numbness or carpal tunnel syndrome. Meanwhile, inflammation and reduced mobility gradually weaken your bones, raising the risk of osteoporosis.

Skin: Skin manifestations may include firm, painless bumps under the skin, particularly around pressure points like your elbows.

Mental wellbeing: Longstanding pain and constant fatigue due to RA affect mental health significantly. Anxiety and depression are remarkably common with RA, and taking care of your mental health is just as vital as treating physical symptoms.

Here is the good news: rheumatology has come a long way over the last two decades. Modern medicine has remarkably effective treatments that can suppress the immune system and stop inflammation before it can damage your joints or internal organs. The key is acting fast. We often talk about a 'window of opportunity', a critical early period where starting the right treatment yields the absolute best long-term results.

If you or a loved one is living with RA, pay attention to subtle cues from your body. Don't ignore a stubborn cough, unusual chest tightness, redness in eyes, blurry vision, or persistent low mood. Pair your treatment plan with heart-healthy habits, like eating well, staying gently active, and avoiding smoking, and you can protect your entire body, staying active and fulfilled for years to come.

(The author is a consultant, clinical immunology & rheumatology, Manipal Hospital, Hebbal)

The opinions expressed in this article are those of the author and do not purport to reflect the opinions or views of THE WEEK.