Asthma is a chronic condition that causes swelling and narrowing in the airways, causing cough and more.

Bronchitis, an inflammation of the bronchial tubes, causes cough, dark or yellow mucus, chest pain and more.

Emphysema is a chronic lung condition that causes shortness of breath, a chronic cough, wheezing, and more.

COPD is a chronic lung disease that makes breathing difficult.

Tuberculosis usually infects the lungs, causing a bad cough with blood, chest pain, fever, chills, and fatigue.

Allergic reaction causes sneezing, runny nose and hives and can lead to anaphylaxis, a whole body reaction.

Thoracic aortic aneurysm is the swelling of the chest aorta and can cause chest or back pain.

Chemical pneumonia is an irritation of the lungs that can cause a dry cough, headache, chest pain and more.

Bronchial adenomas are cancers of the respiratory tract causing a cough, fever, or shortness of breath.

Pleural effusion is buildup of fluid in the pleura and can cause difficulty breathing or chest pain.

Non-small cell lung cancer is the most common type of lung cancer and can cause a cough, chest pain, and more.

Sarcoidosis is a rare disease that can cause swelling and hard lumps in the lymph nodes and organs.

Cystic fibrosis is an inherited disease that causes the body to produce abnormally thick and sticky mucus.

Atrial flutter is an abnormality of the heart's rhythm that causes rapid and sometimes irregular heartbeats.

Depression is a painful sadness that interferes with daily life and includes hopelessness, anxiety, and more.

Some heart rhythm disorders can cause a fluttering in the chest, shortness of breath, chest pain or dizziness.

Pneumonia is a lung infection and causes cough, shortness of breath, wheezing, chest pain, fever, and chills.

When someone has a panic attack, that person feels a sudden, intense fear that can't be controlled.

Muscle strain occurs when muscles are stressed, overworked, or injured due to physical activity or labor.

Gastroenteritis is inflammation of the stomach and intestine that causes diarrhea and vomiting.

Constipation is having less than three bowel movements a week, causing hard stools, abdominal pain and more.

A kidney stone, a hard mass of excess waste in the kidney, causes pain of the lower back and urinary issues.

Severe acute respiratory syndrome is a potentially life-threatening viral illness with flu-like symptoms.

Sickle cell disease symptoms include repeated infections, yellow skin, fatigue, dizziness, pain, and more.

Anemia, a lack of red blood cells, can cause fatigue, pale skin, weakness, dizziness, headache and more.

Anemia , a lack of red blood cells, can cause fatigue, pale skin and gums, brittle nails, irritability, and more.

A thyroid storm, dangerously high levels of thyroid hormone, causes fever, racing heartbeat, sweating, and more

A vertebral compression fracture can cause pain and weakness in the lower back, upper back, neck, or hip.

Whiplash, a severe neck injury, can cause stiffness and pain in the neck, headache, dizziness, and more.

Tetralogy of Fallot is a combination of heart defects causing bluish skin, trouble breathing, and more.

Cryptococcosis is a lung disease causing a wide range of digestive, respiratory and cardiovascular symptoms.

Narcotic abuse can cause fatigue, shallow breathing, anxiety, euphoria, vomiting, confusion, and constipation.

Alzheimer's disease is type of dementia that causes memory loss, as well as thinking and behavior problems.

Bulimia is an eating disorder that involves binging on large quantities of food then purging it by vomiting.

Symptoms of upper airway obstruction include difficulty breathing, wheezing, agitation, gasping, and more.

Valley fever is a fungal infection that starts in the lungs and causes mild flu-like symptoms.

Aortic regurgitation, when the aortic valve doesn't close completely, can cause severe heart symptoms.

Myasthenia gravis is caused by abnormal immune responses that weaken muscles, particularly of the face.

Obesity is having too much body fat, marked by a BMI of 30 or higher.

Cirrhosis is a liver condition caused by chronic scarring; causing weakness, fatigue, and jaundice and more.

Dermatomyositis is a condition that causes muscle swelling and weakness, and a rash on the face and joints.

Hepatitis B is an inflammation of the liver that may cause fever, fatigue, dark urine, jaundice, and more.

Interstitial lung disease is a group of lung disorders that cause shortness of breath, a dry cough, and more.

Epiglottitis is a rare, life-threatening illness that keeps air from getting to the lungs.

A goiter is an enlarged thyroid gland, causing a lump in the throat below the Adam's apple.

Myelodysplastic syndromes are diseases that affect the bone marrow and blood, causing anemia and tiredness.

Pancreatitis, an inflammation of the pancreas, causes abdominal pain and swelling, nausea, and rapid pulse.

Low blood pressure, or hypotension, can make you feel lightheaded and dizzy

A lumbar herniated disc is a condition of the lower spine causing low back pain, weakness, or numbness.

Respiratory syncytial virus (RSV) is a virus that causes symptoms similar to the common cold.

Thyroid cancer is cancer of the thyroid gland and can cause a cough, hoarseness, a lump in the neck, and more.

Depression is a painful sadness that interferes with a child's schoolwork, family life, and social activities.

A drug overdose can be fatal and causes sleepiness, confusion, coma, vomiting, and other symptoms.

The symptoms of gastrointestinal bleeding include black or bloody stool or vomit, dizziness, and cramping.

When hiatal hernia symptoms do occur, they include chest pain and burning, sweating, a bitter taste and more.

Hydronephrosis is a condition of the kidneys and causes aching or pain, urinary symptoms, fever, and nausea.

Schizophrenia is a serious, chronic mental illness that causes delusional or hallucinogenic thoughts.

A chemical burn can cause symptoms ranging from burning and blisters to pain and shortness of breath.

A tick-related illness may cause a rash that expands out from the site of the bite, fever, chills, and more.

Whooping cough, a contagious respiratory infection, causes a runny nose, a mild fever, and a severe cough.

Renal cell cancer is a type of kidney cancer that can cause bloody urine and persistent pain in the side.

Signs of endocarditis, an infection of the heart, include swelling, rash, sinus congestion, nausea, and more.

Legionnaires' disease is a severe type of pneumonia and causes headache, chills, high fever, a cough, and more.

West Nile virus is an infection spread by mosquitoes, and can cause diarrhea, fever, abdominal pain, and more.

Small intestine cancer is rare and often has no symptoms, but can cause symptoms in its advanced stages.

Hypothyroidism in children can cause delayed growth, weight gain, a puffy face, a large tongue, and more.

Tetanus is a potentially fatal toxic infection and causes stiffness in the jaw and neck, fever, and more.