I read in another thread about dry mouth, sore mouth, burning mouth and throat so I looked it up as I get bouts of this. I found this from the British Dental Association
There are some medical conditions which might cause BMS. They are:
dry mouth
acid reflux (when acid from your stomach comes up into your mouth)
thrush (a fungal infection in your mouth, also called ‘candida')
nutritional deficiencies (for example, when your body does not make or store enough iron, vitamin B12 or folic acid)
diabetes
thyroid problems.
In some cases, BMS may have more than one cause.
well I have dry mouth (and dry eyes) it is being loooked into by my GP, I also have suspected beginning of diabetes or pre diabetes and having my blood glucose monitored as it is too high, and I have been hypothyroid for 28 years. I guess it's part of what is going on with me but as I am seeing GP this week I will mention it.
I have a strong family history of autoimmune dysfunction due to my great grandparents who were first cousins marrying, having children (my grandad) and passing on the auto immune illnesses (diabetes, thyroid disease, RA) from both of them.