Can You Catch Rheumatoid Arthritis from Touching an Infected Area? - Internal Medicine

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Hello, Dr.
Gao: I have limited understanding of rheumatoid arthritis, so I would like to seek your professional opinion.
My question is as follows: Q.
If my hand comes into contact with a patient who has rheumatoid arthritis, and that patient shows obvious symptoms of joint swelling on the back of their hand and fingers; if I then touch an open wound from a popped pimple on my own body with the same hand, does this process pose a risk of me developing or contracting rheumatoid arthritis? At the moment I accidentally broke the pimple on my skin, I only became concerned when I realized it was an open wound.
I would appreciate your clarification and guidance on this matter.
Thank you.

Kris, 40~49 year old female. Ask Date: 2023/12/30

Dr. Gao Jiankai reply Internal Medicine


Hello.
Thank you for your inquiry.
Rheumatoid arthritis is not contagious, so there is no need to worry.
The Allergy, Immunology, and Rheumatology Department of Changhua Hospital, Ministry of Health and Welfare, cares about you.

Reply Date: 2023/12/30

More Info


Rheumatoid arthritis (RA) is a chronic inflammatory autoimmune disease that primarily affects the joints, leading to pain, swelling, and potential joint damage. One of the most common misconceptions about RA is the belief that it can be transmitted from one person to another, similar to infectious diseases. However, it is crucial to understand that RA is not contagious.
When you touch a person with rheumatoid arthritis, even if they have visible symptoms such as swollen joints, you cannot "catch" the disease through skin contact. RA is believed to result from a combination of genetic predisposition and environmental factors, but it does not spread through direct contact or through open wounds. The immune system mistakenly attacks the body's own tissues, particularly the synovium (the lining of the joints), leading to the symptoms associated with RA.

In your scenario, where you touched a person with RA and then inadvertently touched an open wound on your own body, the risk of developing RA is nonexistent. The open wound may pose a risk for bacterial infection, but it does not increase your chances of developing rheumatoid arthritis. It is essential to maintain good hygiene practices, such as washing your hands thoroughly after contact with others and before touching any wounds, to prevent infections.

To further clarify, rheumatoid arthritis is not caused by bacteria, viruses, or any other infectious agents that could be transmitted through skin contact. Instead, it is an autoimmune condition where the immune system malfunctions. The exact cause of RA remains unclear, but factors such as genetics, hormonal changes, and environmental triggers (like smoking or infections) may play a role in its development.

If you have concerns about your open wound, it is advisable to keep it clean and monitor it for any signs of infection, such as increased redness, swelling, warmth, or pus. If any of these symptoms occur, or if you have any other health concerns, consulting a healthcare professional is recommended.

In summary, touching a person with rheumatoid arthritis does not pose a risk of contracting the disease, even if you have an open wound. RA is an autoimmune disorder that cannot be transmitted through physical contact. Maintaining good hygiene and seeking medical advice for any wounds or health concerns is always a prudent approach.

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