My labs have been 'normal' during my worst flares. I did not respond to MTX. I have had xray that do not show anything.
As far as doctors being responsive, I have to laugh now. I was diagnosed about two years ago but was having symptoms long before that. It was only after changing primary doctors twice & finally going to the rheumy directly that I got diagnosed.
I was complaining of recurrent back pain to the first doctor. During the physical exam, I extended my hand and said that my nails appear pitted and asked if that meant anything. He glared at me like I was crazy & pushed my hand away. Of course, I now know nail pitting & nail separation are both symptoms of psoriatic disease.
With the second doctor, I not only complained of back issues but terrible pain in my hands and later my feet. I had a slightly elevated WBC in repeated blood tests. I had active psoriasis which he was treating. He attributed the hand pain to repetitive motion injury or carpal tunnel syndrome & referred me to an orthopedic surgeon. He attributed the foot pain to gout and told me to go on a diet but never actually tested for gout. And he told me that my elevated WBC might indicate some form of leukemia but he wasn't going to refer me to a hematologist just yet. I ended up connecting the dots myself. I finally raised the issue that it may be PsA and ask him what my blood work indicated. Turns out he had never run an arthritis panel despite multiple visits & quarterly blood tests. I asked him to refer me to a rheumy. He did not give me a referral. I asked if he could at least give me a blood work slip to test for inflammation. He refused. Ultimately, I requested a copy of my records & learned that my WBC had been elevated in all of my blood tests for multiple visits. He had yet to work up this trend.
When I finally saw the rhuemy,in the first minutes of the clinical exam, he demonstrated that I had lost range of motion in my wrists. I had lost grip strength. He pointed out subtle indicators I wasn't even aware of. He had already read my records and diagnosed me on the spot that first visit, no doubts.
So when my regular follow up appointment with my primary doc came up, I was actually interested to see how he would respond to this news. But that moment never came. The doctor had moved his office and they had neglected to inform me of the move or the new location. So here I am standing at the door of a now vacant medical suite. There wasn't so much as a sign with the new address, nothing. Needless to say, I found a new primary that my rheumy recommended.
My advice to anyone not getting satisfaction is to seek second opinions. And if it comes down to paying out of pocket for an appointment then do it. It is not worth trying to save a hundred dollars only to go without diagnosis & treatment for who knows how long. I had notable symptoms and was struggling 6 years before diagnosis. I am now long term disabled, unable to work. Who knows, if my condition was recognized sooner & treated earlier, perhaps a different outcome.
You owe it to your self to get to the bottom of things. I think others have offered great advice already. Advocate for you.
Regardless of the diagnosis, I hope you find an effective treatment & some peace of mind :)