Does this mean this is a typical of someone to be prescribed with autoimmune disorder? I was curious to know how one might discover on their own if they have it. As well as the effects of how someone feels (or changes) by taking NSAID ...
Diagnosing an autoimmune disease on your own isn't advised, you should really see a specialist, not a GP. Specifically, get a referral to a rheumatologist. Blood work, sometimes xrays are required to properly diagnose. There are some 200+ known autoimmune disorders if I recall correctly, many people end up with a two-for-one deal. Sjögren's and Raynaud's seem to be not uncommon companions of other disorders, for instance.
“non-steroidal anti-inflammatory drug”, a class that includes many popular non-opioid painkillers including aspirin, advil (ibuprofren), and aleve (naproxen), but not tylenol (acetaminophen/paracetamol).