Suggest Treatment For Diabetes Insipidus
Another type of diabetes
Detailed Answer:
Sorry to note your symptoms.
Your tests do not suggest overt diabetes so the symptoms you are experiencing are not due to this.
However, there is another type of diabetes called Diabetes Insipidus which is much less common. It also leads to frequent urination and thirst.
Diagnosing this condition can be challenging but an endocrinologist specializes in this too. So a thorough in-person examination and laboratory testing is necessary.
But not all your symptoms can be explained by diabetes insipidus so you will need to consult a general physician or internist who will guide you to appropriate specialists as needed.
For example you will need an eye check for your blurred vision and neurology evaluation for the numbness and blisters