What Are The Similarities (if Any) Between Diabetes Insipidus And Diabetes Mellitus?

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Difference Between Diabetes Mellitus And Diabetes Insipidus

Main Difference – Diabetes Mellitus vs Diabetes Insipidus Diabetes Mellitus and Diabetes Insipidus are two different medical conditions which arise due to a dysregulation of the endocrine system. Even though they share several similar features, the pathophysiology behind them has significant differences depending on the fundamental etiology and the progression of the pathological changes. The main difference between diabetes mellitus and diabetes insipidus is that diabetes insipidus involves a problem with the production of antidiuretic hormone or kidney’s response to antidiuretic hormone (nephrogenic diabetes insipidus), whereas diabetes mellitus is caused by a deficiency of the pancreatic hormone insulin. This article covers, 1. What is Diabetes Mellitus? – Definition, Cause, Signs and Symptoms, Diagnosis, Treatment 2. What is Diabetes Insipidus? – Definition, Cause, Signs and Symptoms, Diagnosis, Treatment 3. What is the difference between Diabetes Mellitus and Diabetes Insipidus? What is Diabetes Mellitus Diabetes Mellitus is a long term ailment of metabolism that includes Diabetes type 1 and 2 which occur due to a malfunctional pancreas which fails to secrete required Continue reading >>

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Popular Questions

  1. TAAOM

    I am getting confused between primary polydipsia also known as psychogenic polydispia and Diabetes insipidus ...can anyone clearly explain the difference between them?

  2. AlieuBarry70

    The above post was thanked by:

  3. pakbrain

    Psychogenic polydipsia is an excessive water intake seen in some patients with mental illnesses such as schizophrenia, and/or the developmentally disabled. It should be taken very seriously, as the amount of water ingested exceeds the amount that can be excreted by the kidneys,and can on rare occasions be life-threatening as the body's serum sodium level is diluted ( in other words dilutional hyponatremia ) to an extent that seizures and cardiac arrest can occur.
    The excessive levels of fluid intake may result in a false diagnosis of diabetes insipidus since the chronic ingestion of excessive water can produce diagnostic results that closely mimic those of mild diabetes insipidus
    Excessive urination and extreme thirst (especially for cold water and sometimes ice or ice water) are typical for DI. Symptoms of diabetes insipidus are quite similar to those of untreated diabetes mellitus, with the distinction that the urine does not contain glucose and there is no hyperglycemia (elevated blood glucose). Blurred vision is a rarity. Signs of dehydration may also appear in some individuals since the body cannot conserve much (if any) of the water it takes in.
    In order to distinguish DI from other causes of excess urination, blood glucose levels, bicarbonate levels, and calcium levels need to be tested. Measurement of blood electrolytes can reveal a high sodium level (hypernatremia as dehydration develops). Urinalysis demonstrates a dilute urine with a low specific gravity. Urine osmolarity and electrolyte levels are typically low.
    Habit drinking (in its severest form termed psychogenic polydipsia) is the most common imitator of diabetes insipidus at all ages. While many adult cases in the medical literature are associated with mental disorders, most patients with habit polydipsia have no other detectable disease. The distinction is made during the water deprivation test, as some degree of urinary concentration above isosmolar is usually obtained before the patient becomes dehydrated.

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