Daytime Urination

What Causes Frequent Urination During The Day?

Frequent urination during the day can have various causes, ranging in severity from 'minor' to 'life-threatening'.  Finding the true cause means ruling out or confirming each possibility – in other words, diagnosis.

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Diagnosis is usually a complex process due to the sheer number of possible causes and related symptoms.  In order to diagnose frequent urination during the day, we could:

  • Research the topic
  • Find a doctor with the time
  • Use a diagnostic computer system.
The process is the same, whichever method is used.

Step 1: List all Possible Causes

We begin by identifying the disease conditions which have "frequent urination during the day" as a symptom.  Here are eight of many possibilities (more below):
  • Diabetes II
  • Diabetes I
  • Fibroids
  • Hyperparathyroidism
  • Prostate Enlargement
  • Interstitial Cystitis
  • Endometriosis
  • Milk Allergy

Step 2: Build a Symptom Checklist

We then identify all possible symptoms and risk factors of each possible cause, and check the ones that apply:
history of broken bones
2hr postprandial glucose 160-200mg%
extreme calorie restriction
above average sneezing frequency
processed meat consumption
painful deep penetration during sex
dribbling after urination
endometriosis
African ethnicity
Latin / Hispanic ethnicity
occasional painful urge to defecate
frequent colds/flus
... and more than 60 others

Step 3: Rule Out or Confirm each Possible Cause

A differential diagnosis of your symptoms and risk factors finds the likely cause of frequent urination during the day:
Cause Probability Status
Endometriosis 98% Confirm
Milk Allergy 29% Unlikely
Diabetes II 28% Unlikely
Diabetes I 4% Ruled out
Hyperparathyroidism 3% Ruled out
Prostate Enlargement 2% Ruled out
Interstitial Cystitis 1% Ruled out
Fibroids 0% Ruled out
* This is a simple example to illustrate the process

Arriving at a Correct Diagnosis

The Analyst™ is our online diagnosis tool that learns all about you through a straightforward process of multi-level questioning, providing diagnosis at the end.

In the Urinary Symptoms section of the questionnaire, The Analyst™ will ask the following question about daytime urination:
Daytime urination. On average, how many times do you urinate during your waking hours?
Possible responses:
→ Under 2 times
→ 2 or 3 times
→ About 4 to 5 times / don't know
→ 6 to 9 times
→ 10 or more times
Based on your response to this question, which may indicate infrequent daytime urination, normal daytime urination frequency or frequent daytime urination, The Analyst™ will consider possibilities such as:
Diabetes Insipidus

Average urine volume for a normal adult is 1.5 liters daily.  In advanced cases of diabetes insipidus, urine volume can approach 18 liters daily.

Enlarged Prostate

Increases in the number of times a man has to visit the bathroom along with a frequent sensation of having to urinate – especially at night – are among some of the early signs.  In addition, a reduction in the force and caliber of urination is also characteristic of prostatic enlargement.

Caffeine Intoxication

Caffeine is a diuretic, causing increased urination.

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