Feeling Dizzy When Standing Up

What Causes Dizziness When Standing Up?

Dizziness when standing up can have various causes, ranging in severity from 'worrying' 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 dizziness when standing up, 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 "dizziness when standing up" as a symptom.  Here are eight of many possibilities (more below):
  • Hypoglycemia
  • PMS C
  • Chronic Fatigue-Fibromyalgia
  • Hypotension
  • Stress
  • Mitral Valve Prolapse
  • Hyponatremia / Salt Intake Need
  • Adrenal Fatigue

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:
morning stiffness for 45-120 minutes
gradual decline in speaking ability
frequent swollen cervical nodes
frequent postprandial somnolence
occasional 'chills'
severe flatulence
fatigue definitely reduced by eating
eating during sleep hours
very angry/hostile disposition
eyelid twitch
history of postpartum depression
regular sleepwalking
... and more than 150 others

Step 3: Rule Out or Confirm each Possible Cause

A differential diagnosis of your symptoms and risk factors finds the likely cause of dizziness when standing up:
Cause Probability Status
Hypoglycemia 91% Confirm
Stress 18% Unlikely
Adrenal Fatigue 16% Unlikely
Chronic Fatigue-Fibromyalgia 5% Ruled out
Hyponatremia / Salt Intake Need 0% Ruled out
Hypotension 0% Ruled out
Mitral Valve Prolapse 0% Ruled out
PMS C 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 General Symptoms section of the questionnaire, The Analyst™ will ask the following question about feeling dizzy when standing up:
Do you ever feel dizzy / faint / lightheaded when standing up or sitting up suddenly?
Possible responses:
→ Don't know
→ Never / very rarely
→ Occasionally - several times per year
→ Often - several times per month
→ Always or almost always
Based on your response to this question, which may indicate either no dizziness when standing up or dizziness when standing up, The Analyst™ will consider possibilities such as:
Dehydration

When the body is dehydrated it is less able to control blood pressure.  When blood pressure is too low, the brain may not receive sufficient amounts of oxygen, leading to dizziness.  If blood pressure falls further due to suddenly standing up from a lying or sitting position (this is called Orthostatic Hypotension), dizziness can worsen.

Ectopic Pregnancy

If the ectopic pregnancy has ruptured, profuse bleeding will occur.  This may lead to excess blood loss and symptoms of hypovolemic shock (hemorrhagic shock), including dizziness upon standing.

Gastric/Peptic/Duodenal Ulcers

Patients with a bleeding ulcer may report a sense of passing out upon standing called orthostatic syncope.

Concerned or curious about your health?  Try The Analyst™
Symptom Entry
Symptom Entry
Diagnosis
Diagnosis
Suggestions
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LifeMeter
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Full Explanations
Explanations
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