- Common cold
The common cold is a viral respiratory infection causing sore throat, stuffy or runny nose, headache and more.
- Bronchitis
Bronchitis, an inflammation of the bronchial tubes, causes cough, dark or yellow mucus, chest pain and more.
- Gastroenteritis
Gastroenteritis is inflammation of the stomach and intestine that causes diarrhea and vomiting.
- Irritable bowel syndrome
Irritable bowel syndrome is a common condition that causes painful spasms and cramping in the large intestine.
- Dietary changes
Symptoms of dietary changes vary depending on the problem, they include constipation, diarrhea, and more.
- Tuberculosis
Tuberculosis usually infects the lungs, causing a bad cough with blood, chest pain, fever, chills, and fatigue.
- Congestive heart failure
People with congestive heart failure can have shortness of breath, fatigue, irregular heartbeat and more.
- Emphysema
Emphysema is a chronic lung condition that causes shortness of breath, a chronic cough, wheezing, and more.
- Scleroderma
Scleroderma is an uncommon immune disorder that causes collagen to build up in the tissue, making it harden.
- Chronic obstructive pulmonary disease (COPD)
COPD is a chronic lung disease that makes breathing difficult.
- Viral pharyngitis
Viral pharyngitis is a sore throat caused by a virus, and causes throat pain and cold-like symptoms.
- Indoor allergens
Indoor allergens are the things that cause an allergic reaction: dust, dust mites, mold, pet hair and more.
- Allergic reaction
Allergic reaction causes sneezing, runny nose and hives and can lead to anaphylaxis, a whole body reaction.
- Depression (Adult)
Depression is a painful sadness that interferes with daily life and includes hopelessness, anxiety, and more.
- Hay fever
Hay fever, an allergic reaction to outdoor pollens and molds, causes nasal congestion, itchy eyes, and more.
- Heartburn/GERD
Symptoms of heartburn and GERD are a burning feeling in the chest, throat, or mouth, nausea, and more.
- Acute sinusitis
Acute sinusitis, an inflammation of the sinuses, causes sinus pain and tenderness, facial redness and more.
- Asthma (teen and adult)
Asthma is a lung condition that makes it hard to breathe, an asthma attack can be life threatening.
- Constipation (child)
Constipation is having less than three bowel movements a week, causing hard stools, abdominal pain and more.
- Constipation (adult)
Constipation is having less than three bowel movements a week, causing hard stools, abdominal pain and more.
- Laryngitis
Laryngitis is an inflammation of the larynx, or voice box, causing hoarseness and loss of voice.
- Pneumonia
Pneumonia is a lung infection and causes cough, shortness of breath, wheezing, chest pain, fever, and chills.
- Dust exposure
Dust exposure can cause congestion, runny nose, cough, shortness of breath, tightness in the chest, and more.
- Mononucleosis
Mononucleosis is a viral infection causing extreme fatigue, sore throat, fever, rash, muscle aches, and more.
- Chronic sinusitis
Chronic sinusitis, or sinus infections, cause a stuffy or runny nose, tooth pain, fever, sore throat and more.
- Colon cancer
Colon cancer is often asymptomatic, but it can cause constipation, bowel obstruction, bloody stool and more.
- Colon polyps
Colon polyps are growths that form in the lining of the colon, and can cause constipation, diarrhea and more.
- Croup
Croup is a childhood viral respiratory infection causing swelling that can make breathing difficult and noisy.
- Cystic fibrosis
Cystic fibrosis is an inherited disease that causes the body to produce abnormally thick and sticky mucus.
- Cirrhosis (liver)
Cirrhosis is a liver condition caused by chronic scarring; causing weakness, fatigue, and jaundice and more.
- Hepatitis B
Hepatitis B is an inflammation of the liver that may cause fever, fatigue, dark urine, jaundice, and more.
- Hepatitis C
Hepatitis B is an inflammation of the liver that may cause yellowing of the skin and eyes, tiredness, and more.
- Interstitial lung disease
Interstitial lung disease is a group of lung disorders that cause shortness of breath, a dry cough, and more.
- Eating disorder
People with eating disorders have extreme and dangerous eating habits.
- Esophageal cancer
Esophageal cancer starts in the lining of the esophagus and can cause difficulty swallowing.
- Mumps
Mumps is a contagious viral disease that causes painful swelling of the glands that produce saliva.
- Pneumonitis
Pneumonitis is any inflammation of the lung and causes trouble breathing, cough, and fever.
- Pulmonary embolism
A pulmonary embolism, a blood clot lodged in the lung, causes shortness of breath, chest pain, and more.
- Pulmonary fibrosis
Pulmonary fibrosis is a serious chronic lung condition where the lungs become scarred and stiff.
- Respiratory syncytial virus
Respiratory syncytial virus (RSV) is a virus that causes symptoms similar to the common cold.
- Sjogren's syndrome
Sjogren's syndrome is an autoimmune disorder that most often causes dry eyes and dry mouth.
- Depression (Child and Adolescent)
Depression is a painful sadness that interferes with a child's schoolwork, family life, and social activities.
- Diabetic ketoacidosis
Symptoms of diabetic ketoacidosis include dry mouth, excessive thirst and urination, and more.
- Exercise-induced asthma
Exercise-induced asthma causes wheezing, coughing, shortness of breath, and chest tightness.
- Asbestosis
Asbestosis is a serious lung disease, causing shortness of breath, dry cough, chest tightness and more.
- Alzheimer's disease
Alzheimer's disease is type of dementia that causes memory loss, as well as thinking and behavior problems.
- Anorexia nervosa
Anorexia is an eating disorder associated with low bodyweight developed to cope with emotional problems.
- Bronchial adenoma
Bronchial adenomas are cancers of the respiratory tract causing a cough, fever, or shortness of breath.
- Bulimia
Bulimia is an eating disorder that involves binging on large quantities of food then purging it by vomiting.
- Chemical pneumonia
Chemical pneumonia is an irritation of the lungs that can cause a dry cough, headache, chest pain and more.
- Cryptococcosis
Cryptococcosis is a lung disease causing a wide range of digestive, respiratory and cardiovascular symptoms.
- Histoplasmosis
Histoplasmosis is a fungal infection of the lungs causing muscle aches, fever, chest pain, cough, and more.
- Drug allergy
A drug allergy is an allergic reaction to a medication and can cause a rapid heartbeat and difficulty breathing.
- Thalassemia
Thalassemia is a rare group of genetic blood disorders effecting red blood cells and leading to anemia.
- Valley fever (coccidioidomycosis)
Valley fever is a fungal infection that starts in the lungs and causes mild flu-like symptoms.
- Viral pneumonia
Viral pneumonia is a lung infection caused by viruses, and causes coughing, wheezing, fever, chills, and more.
- Lung cancer (small cell)
Small cell lung cancer is the least common type of lung cancer and can cause a cough, chest pain, and more.
- Pleural effusion
Pleural effusion is buildup of fluid in the pleura and can cause difficulty breathing or chest pain.
- 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.
- Hyperthyroidism
Hyperparathyroidism can cause fatigue and weakness, increased thirst, impaired thinking, and bone fractures.
- Lung cancer (non small cell)
Non-small cell lung cancer is the most common type of lung cancer and can cause a cough, chest pain, and more.
- Radon exposure
Breathing in high levels of radon over time can cause lung cancer.
- Sarcoidosis
Sarcoidosis is a rare disease that can cause swelling and hard lumps in the lymph nodes and organs.
- Schizophrenia
Schizophrenia is a serious, chronic mental illness that causes delusional or hallucinogenic thoughts.
- Intestinal Ileus
Intestinal ileus is a condition of the intestinal muscles causing cramps and bloating, vomiting, gas, and more.
- Grief reaction
Grief reaction, the way someone copes with a loss, causes include anger, sadness, anxiety, guilt, and more.
- Acute kidney failure
Acute kidney failure is sudden and can cause swelling, frequent dark urination, fatigue, nausea and more.
- Sickle cell disease
Sickle cell disease symptoms include repeated infections, yellow skin, fatigue, dizziness, pain, and more.
- Swallowed object
Symptoms of swallowing an object include coughing, choking, vomiting, throat pain, breathing trouble, and more.
- Mesenteric lymphadenitis
Mesenteric lymphadenitis is an inflammation of abdominal lymph nodes causing pain, diarrhea, fever, and more.
- Plague
Plague is a rare but deadly bacterial infection causing fever, vomiting, seizures, organ failure, and more.
- Typhoid fever
Typhoid fever is a life-threatening illness and causes fever, general aches and pains, headache, and weakness.
- West nile virus
West Nile virus is an infection spread by mosquitoes, and can cause diarrhea, fever, abdominal pain, and more.
- Whooping cough
Whooping cough, a contagious respiratory infection, causes a runny nose, a mild fever, and a severe cough.
- Hypothyroidism (infant and child)
Hypothyroidism in children can cause delayed growth, weight gain, a puffy face, a large tongue, and more.
- Endocarditis
Signs of endocarditis, an infection of the heart, include swelling, rash, sinus congestion, nausea, and more.
- Ricin poisoning
Ricin is a dangerous poison in castor beans, and causes trouble breathing, nausea, fever and sweating.
- Radiation sickness
Radiation sickness is caused by a high dose of radiation, and causes vomiting, diarrhea, hair loss, and more.
- Legionella (Legionnaires disease)
Legionnaires' disease is a severe type of pneumonia and causes headache, chills, high fever, a cough, and more.
- Small intestine cancer
Small intestine cancer is rare and often has no symptoms, but can cause symptoms in its advanced stages.
- Cat-scratch disease
Cat scratch disease is a bacterial infection caused by a cat scratch or bite.