Symptom Checker

SYMPTOM CHECKER

What's causing your ankles to swell or that ache in your forearms? Enter your symptom(s) or choose from symptoms below to find out possible causes.
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POSSIBLE CAUSES FOR YOUR SYMPTOMS
Search Results for 'Fainting.' Adding another symptom to the list above may reduce the number of possible causes.
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1.  Fainting
Fainting is when you lose consciousness for a short time because your brain is not getting enough oxygen. The medical term for fainting is syncope, but it is commonly known as "passing out." A fainting spell generall...
This condition is considered a medical emergency. Urgent care may be required.
Symptoms:
  • Fainting
2.  Seizures
Seizures are changes in the brain's electrical activity. This can cause dramatic, noticeable symptoms or even no symptoms at all. The symptoms of a severe seizure are often widely recognized, including violent shakin...
This condition is considered a medical emergency. Urgent care may be required.
Symptoms:
  • Fainting
  • Unequal pupils
  • Frothy sputum
  • Muscle rigidity
  • Irregular eye movements
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:
  • Fainting
  • Heart murmurs
  • Excessive yawning
  • Lightheadedness
  • Abnormal heart rhythms
4.  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:
  • Fainting
  • Dementia
  • Moist skin
  • Unable to control emotions
  • Difficulty sleeping
5.  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:
  • Fainting
  • Low blood pressure
  • Clammy skin
  • Visual impairment
  • Dizziness
6.  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:
  • Fainting
  • Loss of appetite
  • Heart rate altered
  • Pain
  • Abnormal heart rhythms
7.  Food Allergy Basics
Food allergies are overblown responses by the immune system to foods that aren't typically harmful - like eggs and peanuts. Continue reading and learn more about food allergies, and how to prevent or treat sever...
Symptoms:
  • Fainting
  • Choking
  • Low blood pressure
  • Runny nose
  • Abdominal bloating
8.  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:
  • Fainting
  • Sleep paralysis
  • Abnormal heart rhythms
  • Choking
  • Pain
9.  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:
  • Fainting
  • Sciatica
  • Flatulence
  • Obesity
  • Hyperventilation
10.  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:
  • Fainting
  • Dry hair
  • Abnormal heart rhythms
  • Heart rate altered
  • Aversion to food or drink
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