Almost Passing Out

Free Symptom Checker
with Physician-supervised AI

Reviewed By:

Maxwell J. Nanes, DO

Maxwell J. Nanes, DO (Emergency Medicine)

Dr Nanes received a doctorate from the Chicago College of Osteopathic Medicine and went on to complete a residency in emergency medicine at the Medical College of Wisconsin. There he trained at Froedtert Hospital and Children's Hospital of Wisconsin in the practice of adult and pediatric emergency medicine. He was a chief resident and received numerous awards for teaching excellence during his time there. | | After residency he took a job at a community hospital where he and his colleagues worked through the toughest days of the COVID-19 pandemic. |

Yoshinori Abe, MD

Yoshinori Abe, MD (Internal Medicine)

Dr. Abe graduated from The University of Tokyo School of Medicine in 2015. He completed his residency at the Tokyo Metropolitan Health and Longevity Medical Center. He co-founded Ubie, Inc. in May 2017, where he currently serves as CEO & product owner at Ubie. Since December 2019, he has been a member of the Special Committee for Activation of Research in Emergency AI of the Japanese Association for Acute Medicine. | | Dr. Abe has been elected in the 2020 Forbes 30 Under 30 Asia Healthcare & Science category.

From our team of 50+ doctors

Content updated on Feb 26, 2024

Following the Medical Content Editorial Policy

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Feeling of lightheadedness

Lightheaded and dazed if I stand for too long

Feeling faint from the heat

Exercise makes me lightheaded and feel like fainting

Feeling like blacking / passing out from needles or injections

A severe lightheaded feeling

Vision starts to black out and I feel like fainting if I sit/stand for too long

Near-fainting after exercise

Almost fainted in a warm environment

Too sensitive to the sight of blood

Feeling faint after blood was drawn

Might blackout

Find another symptom

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How Ubie Can Help You

With an easy 3-min questionnaire , Ubie's AI-powered system will generate a free report on possible causes.

Questions are customized to your situation and symptoms, including the following personal information:

  • Biological Sex - helps us provide relevant suggestions for male vs. female conditions.

  • Age - adjusts our guidance based on any age-related health factors.

  • History - considers past illnesses, surgeries, family history, and lifestyle choices.

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About the Symptom

It's the sensation of feeling faint without actually losing consciousness.

When to See a Doctor

Seek professional care if you experience any of the following symptoms

Possible Causes

Generally, Almost passing out can be related to:

Related Serious Diseases

Sometimes, Almost passing out may be related to these serious diseases:

Doctor's Diagnostic Questions

Your doctor may ask these questions to check for this symptom:

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Developed by doctors.

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Find Similar Symptoms

Similar symptoms or complaints

Reviewed By:

Maxwell J. Nanes, DO

Maxwell J. Nanes, DO (Emergency Medicine)

Dr Nanes received a doctorate from the Chicago College of Osteopathic Medicine and went on to complete a residency in emergency medicine at the Medical College of Wisconsin. There he trained at Froedtert Hospital and Children's Hospital of Wisconsin in the practice of adult and pediatric emergency medicine. He was a chief resident and received numerous awards for teaching excellence during his time there. | | After residency he took a job at a community hospital where he and his colleagues worked through the toughest days of the COVID-19 pandemic. |

Yoshinori Abe, MD

Yoshinori Abe, MD (Internal Medicine)

Dr. Abe graduated from The University of Tokyo School of Medicine in 2015. He completed his residency at the Tokyo Metropolitan Health and Longevity Medical Center. He co-founded Ubie, Inc. in May 2017, where he currently serves as CEO & product owner at Ubie. Since December 2019, he has been a member of the Special Committee for Activation of Research in Emergency AI of the Japanese Association for Acute Medicine. | | Dr. Abe has been elected in the 2020 Forbes 30 Under 30 Asia Healthcare & Science category.

From our team of 50+ doctors

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Developed by doctors.

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Ubie is supervised by 50+ medical experts worldwide

Our symptom checker AI is continuously refined with input from experienced physicians, empowering them to make more accurate diagnoses.

Maxwell J. Nanes, DO

Maxwell J. Nanes, DO

Emergency Medicine

Waukesha Memorial Hospital, Waukesha Wisconsin, USA

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