Komaroff, The Frequency of HLA Class II Antigens in Chronic Fatigue Syndrome, Journal of Chronic Fatigue Syndrome, 11, 4, (33), (2003). Juan-Manuel Anaya, Paula A.
[doi.org]
These dryness symptoms can occur in other conditions — including chronic fatigue syndrome and fibromyalgia — and can be side effects of a variety of commonly used medications
[hopkinsmedicine.org]
That's because the symptoms can overlap or look like those of other conditions, including chronic fatigue syndrome, fibromyalgia, lupus, rheumatoid arthritis, or even multiple
[stlouischildrens.org]