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Fainting    
Dizziness    

27 possible causes of "Fainting, Dizziness"
Symptoms:
  • Dementia
  • Memory impairment
  • Palpitations
  • Fainting
  • Dizziness
  • Pain
1. Low Blood Sugar (Hypoglycemia)
Also known as hypoglycemia, low blood sugar can be a dangerous condition. People often complain about low blood sugar. However, serious hypoglycemia is rare in adults and children over the age of 10 who are no...
This condition is considered a medical emergency. Urgent care may be required.
Symptoms:
  • Low blood pressure
  • Fainting
  • Clammy skin
  • Dizziness
  • Visual impairment
  • Cold sweat
2. Hypotension
Hypotension is low blood pressure. Your blood pushes against your arteries with each heartbeat. The pushing of the blood against the artery walls is called blood pressure. Low blood pressure is good in most cases...
Symptoms:
  • Heart murmurs
  • Back pain
  • General weakness
  • Fainting
  • Dizziness
  • Jaw pain
3. Heart Attack Overview
In the movies, heart attacks are always very obvious. In reality, heart attacks aren't always so sudden or dramatic. Read our brief overview for information about heart attacks.
This condition is considered a medical emergency. Urgent care may be required.
Symptoms:
  • Shortness of breath
  • Fainting
  • Chest pain
  • Dizziness
  • Palpitations
  • Bounding pulse
4. Abnormal Heart Rhythms
Have you ever felt your heart skip a beat? If you're not a character in a romance novel, that may mean you have an abnormal heart rhythm (arrhythmia). Within the heart is a complex system of valves, nodes, an...
This condition is considered a medical emergency. Urgent care may be required.
Symptoms:
  • Sleep paralysis
  • Abnormal heart rhythms
  • Choking
  • Fainting
  • Dizziness
  • Heart rate altered
5. Panic Disorder
Panic disorder occurs when you live in fear of having a panic attack. You are having a panic attack when you feel sudden, overwhelming terror that has no obvious cause. You may experience physical symptoms such as ...
Symptoms:
  • Low blood pressure
  • Lightheadedness
  • Dizziness
  • Fainting
  • Palpitations
  • Chest discomfort
6. Ventricular Tachycardia
Ventricular tachycardia (VT) is a very fast heartbeat caused by a malfunction in one of the heart's ventricles. It is a pulse of more than 100 beats per minute with at least three irregular heartbeats in a row. VT ca...
This condition is considered a medical emergency. Urgent care may be required.
Symptoms:
  • Sciatica
  • Flatulence
  • Obesity
  • Fainting
  • Dizziness
  • Hyperventilation
7. Pregnancy
Pregnancy occurs when a sperm fertilizes an egg after it is released from the ovary. An egg enters one of the fallopian tubes where it may be fertilized. The egg then enters the uterus where implantation occurs...
Symptoms:
  • Abdominal pain
  • Confusion
  • Itching, severe
  • Fainting
  • Dizziness
  • Body ache
8. Drug Allergy Overview
Drug allergies are overblown responses of the immune system to prescription or over-the-counter drugs that aren't typically harmful. Learn more about symptoms, causes and treatments for allergic reactions to drugs.
This condition is considered a medical emergency. Urgent care may be required.
Symptoms:
  • Dry hair
  • Abnormal heart rhythms
  • Heart rate altered
  • Fainting
  • Dizziness
  • Aversion to food or drink
9. Anorexia Nervosa
Almost everyone worries about gaining too much weight. But in some people the worry becomes obsessive, causing a condition called anorexia nervosa. Anorexia nervosa is an eating disorder that can result in severe weigh...
Symptoms:
  • Peripheral cyanosis
  • Low blood pressure
  • Wheezing
  • Fainting
  • Dizziness
  • Swollen legs
10. Pulmonary Embolism
A pulmonary embolism is a blood clot that affects the lungs. Typically, a blood clot travels from another area in the body before becoming lodged in one of the arteries that supply blood to the lungs. A pulmonar...
This condition is considered a medical emergency. Urgent care may be required.

This feature is for informational purposes only and should not be used to diagnose.
Please consult a healthcare professional if you have health concerns.
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