What is your age and gender?
Do you have heartburn, food reflux?
Any significant past medical history or surgery?
Do you have night sweats?
Your symptoms warrants an estimation of thyroid hormone. An hormonal dysfunction of thyroid can be responsible for your symptoms. Another possibility is gastroesophageal reflux disease (GERD). A severe GERD causes autonomic nervous system stimulation which in turn increases the feeling of hot skin by affecting the skin capillaries / arteries. Throat burning is because of GERD (acid reflux). Following measures would be helpful for GERD;
1) antacids; Maalox 2) acid blocker; Prilosec3) loosing weight, if overweight.4) avoiding alcohol, citrus fruits and juices, chocolate, and tomato based products5) avoiding large meals. Eat 5 small meals in a day.6) wait three hours after the meal before you sleep.7) elevate head end of the be by 8 inches.
An upper gastrointestinal endoscopy would diagnose GERD. A treatment for GERD resolve the throat burning and stimulation of the autonomic nervous system. Which in turn will help in feeling hot.
Please feel free for your follow up questions.
I would be happy to assist your further, if you need any more information.
You are very welcome.
You can ask your doctor to get TSH, T3, T4, free T3, free T4 done, instead of getting only TSH (which is routine). This is likely to give more insight to the problem. You may also consider getting sleep study for sleep apnea if your symptoms aggravate in the night time.
It is privilege assisting you.