
What Causes Severe Pain In Lower Arms, Hands, Lower Legs And Feet?

What could be causing this and what should we do different.
Thyroid
Detailed Answer:
Sorry to learn about your husband's bothersome symptoms.
His thyroid status needs to be checked to make sure it is functioning ok.
When I see someone like him in my practice, I typically order the following blood tests in addition to a detailed physical examination:
CBC (Complete Blood Count, also known as Hemogram; includes Hemoglobin, WBC and Platelet counts)
Electrolytes (Sodium and Potassium in particular)
HbA1c (Glycosylated Hemoglobin = your last 3 months' glucose average). Also known by other names such as GlycoHemoglobin or Glycated Hemoglobin or A1c
Liver function tests (SGOT , SGPT, Albumin, Bilirubin, Alkaline Phosphatase)
Kidney function tests (BUN, Creatinine)
TSH (checks your thyroid)
Free T4 (this too checks your thyroid)
25 hydroxy Vitamin D levels (ideal range 40 to 60 ng/ml = 100 to 150 nmol/liter)
None of these tests require any fasting and can be done at any time of the day


Follow up
Detailed Answer:
If all the above test results are normal , particularly the thyroid then it is going to require more specialist consultations in-person to try and reach a diagnosis. For example, he may need to be checked by a neurologist to start with

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