Sjogren’s syndrome often undiagnosed but affects many
WALNUT CREEK, Calif. – Oakland, Calif., physician Sarah Schafer is a trim woman with robust color in her cheeks, bright blue eyes and a pleasant smile. She is the outward picture of health – an image that doesn’t begin to tell the inside story.
Schafer, 54, feels bad. Very bad. All the time. Her eyes and mouth are so parched they require the application of drops and sprays nearly every hour of the day. She has severe joint and muscle pain, plus a host of accompanying physical problems including sinusitis, migraines and the worst flulike fatigue anyone has experienced – not the kind that eases in a few days, but that persists on a daily, unrelenting basis.
Schafer has Sjogren’s syndrome, a highly underdiagnosed, often misdiagnosed and yet surprisingly common autoimmune disease. Few in the general public were aware of the illness until tennis superstar Venus Williams announced in September that she has Sjogren’s and was forced to back out of the U.S. Open because of it.
While no one with the illness would wish it on a worst enemy, many sufferers are, however, glad Williams put a famous face on the problem.
“It’s the most common disease that nobody’s heard of,” Schafer said. “It’s very helpful that Venus came forward about it, and maybe now it will get some attention and get the research funding it deserves.”
Sjogren’s (pronounced “SHOW-grinz”) is named for the late Swedish ophthalmologist Henrik Sjogren, who first described the condition in 1933. According to the Sjogren’s Syndrome Foundation, roughly 1 million people in the United States – primarily women – have confirmed cases of Sjogren’s, but doctors estimate it may affect up to 4 million. It’s considered the second most common autoimmune disease after rheumatoid arthritis. In fact, it could be found to be the No. 1 most common if diagnostic techniques improve, researchers say.
It is a chronic systemic illness, with dry eyes and dry mouth as the hallmark symptoms. But the syndrome also presents myriad seemingly unrelated problems in varying levels of severity, which account for incorrect and often long-delayed diagnoses. It can be more than six years from the appearance of the first symptoms to a confirmed diagnosis, said Dr. Ava Wu, lead researcher for an international study based at the University of California, San Francisco, which is analyzing the diagnosis and treatment of the disease.“A lot of patients definitely fit the listed symptoms, but then we’re finding many others who will have autoimmune thyroid issues or pulmonary problems in addition to the fatigue,” Wu said. “The umbrella that ties them all to Sjogren’s, however, is the dry eyes and dry mouth.”
There are also varying levels of intensity, Wu said.
“Some can live very normal lives, while others are quite debilitated,” she said. “But there’s no increased mortality rate. It’s not a death sentence in any way. But it is a life-altering diagnosis.”
Researchers believe the cause of the syndrome lies in a genetic component, but there are possibly environmental or stress-related triggers – such as a major surgery or a death in the family – that can increase severity. There is no known cure, but early diagnosis and appropriate treatment may improve symptoms and prevent serious complications, Wu said.
Prescription medicines for dry eyes and mouth are commonly used. Depending on the symptoms, doctors may recommend anti-inflammatory drugs to help with joint and muscle pain and even steroids or immunosuppressive drugs to treat systemic symptoms.
Sjogren’s is considered a “hidden illness” because most who have it appear perfectly healthy, one of the most irritating factors for many sufferers.
“We look well,” Schafer said from a sunny office in her home in the Oakland, Calif., hills. Highly sensitive to scents, she opened several windows because a visitor’s shampoo fragrance instantly began irritating her throat.
“If someone had a leg in a cast or was losing their hair because of going through cancer therapies, people understand that they’re sick,” she said. “But people don’t get it when you look fine, and they don’t understand why you can’t do normal things.”
Sjogren’s is often misdiagnosed as chronic fatigue syndrome, depression, menopause, multiple sclerosis or even hypochondria.
“People think we’re just making this up,” she said.
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