Most people with RA have foot problems, including pain, swelling, and stiffness. Get expert- and patient-approved tips to relieve or avoid foot pain.
Rheumatoid arthritis can start with pain in your ankles and feet, and may feel worse in the morning.
Reinforce general RA treatments with lifestyle approaches, including exercise and losing weight to avoid overstressing feet.
Work with a podiatrist to tailor foot care to your needs, and for help choosing orthotics that make walking easier.
Blogger Cathy Kramer, now 47, found out she had rheumatoid arthritis in 2004. Painful feet have been a hallmark of RA for her from the start.
“The joints in my feet were among the first to be affected — X-rays have shown some [joint] erosion. Even during my best days, my feet have always been a sore point,” Kramer says. Erosion refers to the wearing away of cartilage and bone in the joint, according to the Arthritis Foundation. It's caused by inflammation within the joint lining.
She's not alone. About 89 percent of people with rheumatoid arthritis (RA) have some kind of foot pain, according to a study published in The Open Rheumatology Journal, which makes walking difficult and restricts daily activities. And yet, the researchers warned, not enough attention is paid to foot care. RA can attack any of the foot's joints, leaving them inflamed and painful.
You might find that pain is affecting both your feet in the same locations. For some people, the ankles hurt the most and might appear red and swollen. You might feel other symptoms as well.
“Patients complain of pain in the ball of the foot upon arising from bed, and widening of the forefoot, necessitating an increase in shoe size,” explains rheumatologist Maya Mattar, MD, assistant professor of medicine at the University Hospitals Case Medical Center in Cleveland. Dr. Mattar adds that the pain and stiffness may be worse in the morning, forcing you to get up an hour or more early in order to prepare yourself for the day.
Just as with joints in other parts of the body, rheumatoid arthritis causes inflammation of the lining (the synovium) of the joints in the foot, according to the American Academy of Orthopaedic Surgeons (AAOS).
“Inflamed joints can be eroded and leave a scarred joint; the ball of the foot then becomes a rough, bumpy bone,” says Robert W. Lightfoot, MD, a professor of internal medicine in the division of rheumatology at the University of Kentucky in Lexington. "Active inflammation and eroded, damaged bones cause pain."
One of the targets of this inflammation is the joint capsule, which normally acts like a sleeve, protecting the joint by adding stability to it.
Some of the deformities related to rheumatoid arthritis include:
Another foot problem experienced by people with RA is nerve pain. “Peripheral nerve pain in the foot can cause burning, tingling, and tenderness,” Dr. Lightfoot says. “Continued pressure on the medial side of the foot can then result in nerve entrapment, or tarsal tunnel syndrome.”
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Foot pain often occurs in the joints or ball of the foot. In fact, for about 20 percent of people with RA, foot and ankle issues are the first symptom of rheumatoid arthritis, according to AAOS.
Surgery is often needed to alleviate the pain associated with bunions, hammertoes, and nodules, according to AAOS. Foot surgery may involve resetting the bones or fusing joints to correct the position of bones and joints.
Local steroid injections are particularly beneficial for inflamed joints and plantar fasciitis. But before you schedule surgery or an office visit for injections, you might try non-invasive approaches such as braces, or choose shoes or inserts designed to support your feet, AAOS recommends.
“Narrow-toed or pointy-toed shoes, as well as heels, are bad for the foot as they cause the wearer to put pressure on the ball of the foot and can cause marked deformities,” Lightfoot says. “An oxford-type shoe with a low heel, wide toe, and high ceiling that will not rub the foot is best.”
Good arch support will help distribute the weight evenly on the entire foot, and orthotics — special devices put into the shoe — can alleviate foot pain caused by rheumatoid arthritis and possibly prevent deformities in the foot, Lightfoot adds.
In addition to the right footwear, pain medications, and surgery, there are things you can do to reduce foot pain from rheumatoid arthritis:
The best way to manage your foot pain is by keeping your rheumatoid arthritis under control. If you do, you can keep your feet happy.
Additional reporting by Madeline Vann, MPH.
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