Lightheadedness
A feeling of being about to faint or lose balance, which can have many causes.
Conditions associated with lightheadedness
The following conditions have been associated with lightheadedness in medical literature. This is informational and not a diagnosis.
Tests providers may use to investigate lightheadedness
When investigating lightheadedness, a healthcare provider may order one or more of the following laboratory tests. Test selection is a clinical decision made by a qualified professional.
CBC with Differential
Measures red blood cells, white blood cells, and platelets to help evaluate overall health and detect disorder...
Comprehensive Metabolic Panel (CMP)
Measures 14 substances in the blood to assess kidney and liver function, electrolyte balance, and blood sugar ...
Thyroid Panel
Comprehensive thyroid testing including TSH, free T4, and free T3....
Symptoms commonly seen alongside lightheadedness
Blurred vision
Lack of sharpness of vision resulting in the inability to see fine detail....
Dizziness
A feeling of lightheadedness, unsteadiness, or faintness, which can be caused by many conditions....
Fainting
A temporary loss of consciousness due to reduced blood flow to the brain, which can have cardiac, neurological...
Fatigue
A subjective feeling of tiredness characterized by a lack of energy and motivation....
Nausea
A sensation of unease in the stomach together with an urge to vomit....
When to seek care
Seek care from a qualified healthcare provider if lightheadedness is severe, persistent, worsening, or accompanied by concerning symptoms. If you think you have a medical emergency, call your local emergency number immediately.
Frequently Asked Questions
What does the symptom lightheadedness mean?
Lightheadedness is a health sign or symptom described in medical literature. A feeling of being about to faint or lose balance, which can have many causes.
Which conditions are associated with lightheadedness?
Lightheadedness has been reported in association with 1 condition in the medical literature we index, including Hypotension. These associations do not mean you have any of these conditions.
Should I see a doctor about lightheadedness?
You should discuss any persistent or concerning symptoms with a qualified healthcare provider. This website does not provide diagnosis. If you have severe symptoms or signs of a medical emergency, seek care immediately.