- Viral syndrome
Viral syndrome is an unidentified cause of typical virus symptoms sore throat, stuffy nose, aches and more.
- Heartburn/GERD
Symptoms of heartburn and GERD are a burning feeling in the chest, throat, or mouth, nausea, and more.
- Generalized anxiety disorder
Generalized anxiety disorder is a condition in which a person has nearly constant anxiety.
- Asthma (child)
Asthma is a chronic condition that causes swelling and narrowing in the airways, causing cough and more.
- Asthma (teen and adult)
Asthma is a lung condition that makes it hard to breathe, an asthma attack can be life threatening.
- Exercise or physical activity
Exercise is vital for good health, but overdoing it can lead to muscle aches, dehydration, headache, and more.
- Overeating
Overeating is eating when you're not hungry or to the point of feeling uncomfortably full or bloated.
- Excessive caffeine use
Excessive caffeine use can cause irritability, difficulty sleeping, anger, depression, and fatigue.
- Premature ventricular contractions (PVCs)
Premature ventricular contractions are extra heartbeats that start in one of the lower chambers of your heart.
- Heart rhythm disorder
Some heart rhythm disorders can cause a fluttering in the chest, shortness of breath, chest pain or dizziness.
- Panic attack
When someone has a panic attack, that person feels a sudden, intense fear that can't be controlled.
- Influenza (flu) adults
The flu is a respiratory tract infection and causes fever, sore throat, runny nose, headache, cough, and more.
- Low potassium (hypokalemia)
If the level of potassium in your blood drops below normal, it may cause low energy, leg cramps, and more.
- Atrial fibrillation
Atrial fibrillation is a heart condition that causes heart palpitations, confusion, dizziness and more.
- Esophagitis
Esophagitis, an inflammation of the lining of the esophagus, causes chest pain, nausea, and more.
- Hypothyroidism (adult)
Hypothyroidism your body functions slow down, making you gain weight and feel tired all the time.
- Aortic regurgitation
Aortic regurgitation, when the aortic valve doesn't close completely, can cause severe heart symptoms.
- Aortic stenosis
Aortic stenosis is a condition of the heart causing shortness of breath, dizziness, or chest pain.
- Cocaine abuse
Cocaine abuse occurs when a person continues using it despite the social and health problems caused by it.
- Hiatal hernia
When hiatal hernia symptoms do occur, they include chest pain and burning, sweating, a bitter taste and more.
- Hyperthyroidism
Hyperparathyroidism can cause fatigue and weakness, increased thirst, impaired thinking, and bone fractures.
- Upper airway obstruction
Symptoms of upper airway obstruction include difficulty breathing, wheezing, agitation, gasping, and more.
- Anaphylactic shock
Anaphylactic shock is a sudden severe allergic reaction marked by breathing trouble, a tight throat, and more.
- Coxsackie virus infection
Coxsackie virus infection can cause many cold-like symptoms as well as blisters on the mouth hands and feet.
- Pulmonary embolism
A pulmonary embolism, a blood clot lodged in the lung, causes shortness of breath, chest pain, and more.
- Pulmonary hypertension
Pulmonary hypertension can cause shortness of breath, a fast heart rate, or lightheadedness.
- Lupus (systemic lupus erythematosus)
Lupus is a chronic autoimmune disease marked by swollen painful joints, a rash, swollen lymph nodes, and more.
- Porphyria
Porphyria is a condition that can affect the nerves and skin, making the skin extremely sensitive to sunlight.
- Sarcoidosis
Sarcoidosis is a rare disease that can cause swelling and hard lumps in the lymph nodes and organs.
- Lyme disease
Lyme disease is a bacterial infection spread through tick bites; symptoms include rash, fever chills, and more.
- Pleural effusion
Pleural effusion is buildup of fluid in the pleura and can cause difficulty breathing or chest pain.
- Barrett esophagus
Barrett's esophagus occurs when the lining of the esophagus is damaged, usually by acid reflux.
- Tick bite
A tick-related illness may cause a rash that expands out from the site of the bite, fever, chills, and more.
- Ricin poisoning
Ricin is a dangerous poison in castor beans, and causes trouble breathing, nausea, fever and sweating.
- Cat-scratch disease
Cat scratch disease is a bacterial infection caused by a cat scratch or bite.
- Toxic shock syndrome
Toxic shock syndrome is a serious bacterial infection and causes fever, low blood pressure, a rash, and more.
- West nile virus
West Nile virus is an infection spread by mosquitoes, and can cause diarrhea, fever, abdominal pain, and more.
- Bird (avian) flu
Bird flu is spread to people from birds and causes fever, cough, sore throat and muscle aches.
- Endocarditis
Signs of endocarditis, an infection of the heart, include swelling, rash, sinus congestion, nausea, and more.
