- Irritable bowel syndrome
Irritable bowel syndrome is a common condition that causes painful spasms and cramping in the large intestine.
- Gastroenteritis
Gastroenteritis is inflammation of the stomach and intestine that causes diarrhea and vomiting.
- Medication reaction or side-effect
Medication side effects include nausea, vomiting, stomach upset, weakness, dizziness, seizures, and more.
- Fainting (vasovagal syncope)
Before fainting, you might feel lightheaded, warm, nausea, a cold sweat, or have tunnel vision.
- Generalized anxiety disorder
Generalized anxiety disorder is a condition in which a person has nearly constant anxiety.
- Asthma (teen and adult)
Asthma is a lung condition that makes it hard to breathe, an asthma attack can be life threatening.
- Gas pains
Belching or passing gas clears gas from the digestive tract, but when gas is stuck it causes abdominal pain.
- Heart rhythm disorder
Some heart rhythm disorders can cause a fluttering in the chest, shortness of breath, chest pain or dizziness.
- Hyperventilation
Hyperventilation is rapid or shallow breathing usually caused by stress or anxiety.
- Supraventricular tachycardia
Supraventricular tachycardia is fast heart rhythm starting in one of the upper chambers of the heart.
- Atrial flutter
Atrial flutter is an abnormality of the heart's rhythm that causes rapid and sometimes irregular heartbeats.
- Aspirin poisoning
Aspirin poisoning is a medical emergency and can cause nausea, vomiting, drowsiness and more.
- Acute kidney failure
Acute kidney failure is sudden and can cause swelling, frequent dark urination, fatigue, nausea and more.
- Anemia
Anemia, a lack of red blood cells, can cause fatigue, pale skin, weakness, dizziness, headache and more.
- Anemia, chronic disease
Anemia of chronic disease (ACD) can cause fatigue, pale skin, weakness, dizziness, headache and more.
- Labyrinthitis
Labyrinthitis, an infection and swelling in the inner ear, and may cause vertigo or hearing loss.
- Thalassemia
Thalassemia is a rare group of genetic blood disorders effecting red blood cells and leading to anemia.
- Aortic regurgitation
Aortic regurgitation, when the aortic valve doesn't close completely, can cause severe heart symptoms.
- Exercise or physical activity
Exercise is vital for good health, but overdoing it can lead to muscle aches, dehydration, headache, and more.
- Upper airway obstruction
Symptoms of upper airway obstruction include difficulty breathing, wheezing, agitation, gasping, and more.
- Amebiasis
Amebiasis is an intestinal parasitic infection causing diarrhea, cramps, gas, fever, and fatigue.
- Inflammatory bowel disease
Inflammatory bowel disease causes swelling and symptoms such as cramping, chronic diarrhea, and bleeding.
- Giardiasis
Giardiasis is an infection of the small intestine causing diarrhea, gas, bloating, nausea and stomach cramps.
- Helicobacter pylori infection
Helicobacter, bacteria in the digestive tract, causes peptic ulcers and their associated pain and burning.
- High blood pressure (hypertension)
High blood pressure, often asymptomatic, can cause headaches, shortness of breath, nosebleeds, and anxiety.
- Atrial fibrillation
Atrial fibrillation is a heart condition that causes heart palpitations, confusion, dizziness and more.
- Gallstones
A gallstone attack occurs when a stone blocks the bile duct, causes right upper abdominal pain and cramping.
- Low blood pressure (hypotension)
Low blood pressure, or hypotension, can make you feel lightheaded and dizzy
- Proctitis
Proctitis is pain and inflammation of the rectal lining caused by infection.
- Pulmonary embolism
A pulmonary embolism, a blood clot lodged in the lung, causes shortness of breath, chest pain, and more.
- Stroke
A stroke occurs when blood and oxygen to the brain are cut off, and causes numbness, confusion, and more.
- Transient ischemic attack (mini-stroke)
Transient ischemic attacks cause headache, numbness, tingling, or weakness in the face, arm, or leg, and more.
- Ulcerative colitis
Ulcerative colitis causes swelling in the large intestine and can lead to cramping, diarrhea, and more.
- Anemia, iron deficiency
Anemia , a lack of red blood cells, can cause fatigue, pale skin and gums, brittle nails, irritability, and more.
- Small intestine cancer
Small intestine cancer is rare and often has no symptoms, but can cause symptoms in its advanced stages.
- Anemia, hemolytic
Hemolytic anemia occurs when there aren't enough red blood cells in the blood.
- Toxic shock syndrome
Toxic shock syndrome is a serious bacterial infection and causes fever, low blood pressure, a rash, and more.
- Budd-Chiari syndrome
Budd-Chiari syndrome is a rare liver condition, symptoms include pain, swelling, and vomiting blood.
