I'd have to agree about
having the thyroid antibodies tested. Before I was Dx with Hashimoto's, I had occasional low levels of T4 that coincided with many of the symptoms that your Mom seems to have. These antibodies are not part of the routine thyroid panel and have to be ordered separately. Also, it's likely that your Mom was taking Levothyroxine and not the brand name synthroid. Although most of us with thyroid ddisorders can take either, some need to have the Brand name. The generics may have other inactive ingredients which can be an allergen.
Your Mom's symptoms mostly ring the beel for a possible thyroid problem and so you really should push to have this further evaluated. Remember, for those with borderline problems, it's not uncommon to get one abnormal result, followed by a normal level because the hormone levels can bounce back and forth before you finally go into thyroid failure.
If plebitis is suspected, then she should have an ultrasound to "see" what's going on. This would give you a real Dx or not.
As far as her BP, this should probably be evaluated by a Cardiologist. It is quite possible that her sleep patterns are affecting this. I've known several people who suffered with sleep apnea and as a result had extrmely high BP. Once they began using a CPAP, the BP lowered. Of course, a CPAP may not be the answer, I'm just explaining that poor sleep can affect the BP.
The MRSA that is mentioned above is probably not the culprit, although it produce similar symptoms. The full name for it is Methacyllin resistant staph aureus and it is a common hospital-acquired infection which can infect any area of the body. The reason I doubt that MRSA is behind this is that your Mom's CBCs have been checked routinely and she does not have any abnormal findings. It's likely that if she had this infection, she'd be showing signs of a high WBC and other changes.
I hope you find some answers and relief for you Mom soon.
Keah a.k.a. Wormy
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