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Excessive Thrist
Leo Leonidas MD, FAAP

Why Have a List of Differential Diagnosis?

It is important for clinicians to frequently refer to a list of differential diagnosis so they could ask good questions from the patient or parent. A good clinical history depends on a complete list of differential diagnosis of the chief complaint or main problem. A complete list of different causes of diseases will also help reduce errors in diagnosis because most clinicians who rely primarily on their memory do not have more than five to seven differential diagnoses in one clinical encounter. Although most illness in children are straightforward like ear infection, sinusitis, or throat infections, there are symptoms like joint pain or chronic belly pains that has a long lists of causes. With the use of Hand Held computers and other Devices, clinicians are making brilliant diagnosis that translates to better health care.

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CAUSES OF EXCESSIVE THIRST

Polydipsia or Excessive thrist, is not a common symptom in children.
The two common causes of Polydipsia are Diabetes Millitus and
Diabetes Insipidus.

METABOLIC-ENDOCRINE CAUSES

Diabetes Mellitus
Diabetes Insipidus
Hypercalcemia
Hypokalemia
Bartter Syndrome
Pheochromocytoma
Neuroblastoma
Ganglioneuroblastoma
Cystinosis

KIDNEY CAUSES

Sickle-Cell Anemia
Renal Tubular Acidosis
Nephrogenic Diabetes Insipidus
Interstitial Nephritis
Medullary Cystic Disease of the Kidney

PSYCHOGENIC POLYDIPSIA

OTHERS

Increased Salt Intake
Congestive Heart Failure
Hypertension
 

Belly Pain   Air Leaks From Lungs   Acute Crying   Back Pain   Bed Wetting   Big Lymph Node   Big Spleen   Blood in Urine Chronic Diarrhea   Chest Pain   Cough   Coughing Up Blood   Constipation Droopy Eye   Enlarged Glands   Eye Swelling   Excessive Thrist   Facial Paralysis   Fainting Spell   Feeding Problem GI Bleeding   Headache   Head Tilt   Hives   High ESR   Hoarseness   Joint Pain   Limp   Leg Pain   Muscle Weakness   Noisy Breathing   Nose Bleeding   Nose Obstruction   Pyuria   Recurrent Infection   Red Green Urine   Ringing in the Ears Scrotal Swelling     Seizures   Stiff Neck   Swelling of the Parotic Gland   Toe Walking   Toeing In   Toeing Out   Unequal Pupils   Vomiting   Wheezing

Leo Leonidas, MD, FAAP
Assistant Clinical Professor in Pediatrics
Tufts University School of Medicine, Boston

Attending Pediatrician
Eastern Maine Medical Center, Bangor

Bangor, ME: First City with EBPP (Evidence Based Pediatrics for Parents) Website

 

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