- Viral syndrome
Viral syndrome is an unidentified cause of typical virus symptoms sore throat, stuffy nose, aches and more.
- Hypothyroidism (adult)
Hypothyroidism your body functions slow down, making you gain weight and feel tired all the time.
- Anemia
Anemia, a lack of red blood cells, can cause fatigue, pale skin, weakness, dizziness, headache and more.
- Sarcoidosis
Sarcoidosis is a rare disease that can cause swelling and hard lumps in the lymph nodes and organs.
- Cystic fibrosis
Cystic fibrosis is an inherited disease that causes the body to produce abnormally thick and sticky mucus.
- Emphysema
Emphysema is a chronic lung condition that causes shortness of breath, a chronic cough, wheezing, and more.
- Exercise or physical activity
Exercise is vital for good health, but overdoing it can lead to muscle aches, dehydration, headache, and more.
- Lack of exercise
Lack of exercise is a common cause of fatigue, weight gain, and muscle weakness.
- Depression (Adult)
Depression is a painful sadness that interferes with daily life and includes hopelessness, anxiety, and more.
- Peptic ulcer
Peptic ulcers, sores in the lining of the stomach or upper intestine, cause abdominal pain, gas, and more.
- Influenza (flu) adults
The flu is a respiratory tract infection and causes fever, sore throat, runny nose, headache, cough, and more.
- Asthma (child)
Asthma is a chronic condition that causes swelling and narrowing in the airways, causing cough and more.
- Diabetes, type 1
Diabetes can make you feel hungry, tired, or thirsty; you may urinate more than normal and have blurry vision.
- Hyperthyroidism
Hyperparathyroidism can cause fatigue and weakness, increased thirst, impaired thinking, and bone fractures.
- 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.
- Anemia, iron deficiency
Anemia , a lack of red blood cells, can cause fatigue, pale skin and gums, brittle nails, irritability, and more.
- Chronic kidney disease
Chronic kidney disease is a condition of the kidneys that can cause high blood pressure, fatigue, and weakness.
- Pancreatic cancer
Pancreatic cancer is typically asymptomatic until the cancer has advanced, making treatment difficult.
- Rectal cancer
Rectal cancer appears in the rectum and causes bloody stool and constipation.
- Obesity
Obesity is having too much body fat, marked by a BMI of 30 or higher.
- Underweight
Being underweight means weighing less than you need for good health.
- Methamphetamine use
Methamphetamine use causes increased blood pressure, rapid heart rate, enlarged pupils, sweating, and more.
- Grief reaction
Grief reaction, the way someone copes with a loss, causes include anger, sadness, anxiety, guilt, and more.
- Tetralogy of Fallot
Tetralogy of Fallot is a combination of heart defects causing bluish skin, trouble breathing, and more.
- Thalassemia
Thalassemia is a rare group of genetic blood disorders effecting red blood cells and leading to anemia.
- Malnutrition
Malnutrition occurs when the body isn't getting enough nutrients; sometimes the condition is life-threatening.
- Inflammatory bowel disease
Inflammatory bowel disease causes swelling and symptoms such as cramping, chronic diarrhea, and bleeding.
- Anemia, chronic disease
Anemia of chronic disease (ACD) can cause fatigue, pale skin, weakness, dizziness, headache and more.
- Ventricular septal defect
A ventricular septal defect is a hole in the heart that some babies are born with
- Cocaine abuse
Cocaine abuse occurs when a person continues using it despite the social and health problems caused by it.
- Depression (Child and Adolescent)
Depression is a painful sadness that interferes with a child's schoolwork, family life, and social activities.
- Helicobacter pylori infection
Helicobacter, bacteria in the digestive tract, causes peptic ulcers and their associated pain and burning.
- Lupus (systemic lupus erythematosus)
Lupus is a chronic autoimmune disease marked by swollen painful joints, a rash, swollen lymph nodes, and more.
- Multiple sclerosis
Multiple sclerosis is a disease of the nervous system causing difficulties with balance, speech, and movement.
- Porphyria
Porphyria is a condition that can affect the nerves and skin, making the skin extremely sensitive to sunlight.
- Radon exposure
Breathing in high levels of radon over time can cause lung cancer.
- Esophageal cancer
Esophageal cancer starts in the lining of the esophagus and can cause difficulty swallowing.
- Celiac disease
Celiac disease, which is an intestinal reaction to gluten, can cause gas, diarrhea, bloating, and weight loss.
- Colon cancer
Colon cancer is often asymptomatic, but it can cause constipation, bowel obstruction, bloody stool and more.
- Coxsackie virus infection
Coxsackie virus infection can cause many cold-like symptoms as well as blisters on the mouth hands and feet.
- Crohn's disease
Crohn's disease is a digestive condition that causes swelling, cramping, diarrhea, and nutritional problems.
- Interstitial lung disease
Interstitial lung disease is a group of lung disorders that cause shortness of breath, a dry cough, and more.
- Lyme disease
Lyme disease is a bacterial infection spread through tick bites; symptoms include rash, fever chills, and more.
- Rheumatoid arthritis
Rheumatoid arthritis is an autoimmune disease that causes pain, swelling, and joint damage.
- Tuberculosis
Tuberculosis usually infects the lungs, causing a bad cough with blood, chest pain, fever, chills, and fatigue.
- Ulcerative colitis
Ulcerative colitis causes swelling in the large intestine and can lead to cramping, diarrhea, and more.
- Tick bite
A tick-related illness may cause a rash that expands out from the site of the bite, fever, chills, and more.
- Aortic aneurysm (abdomen)
An abdominal aortic aneurysm is swelling of the main abdominal artery and can cause sudden chest pain.
- 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.
- Renal cell (kidney) cancer
Renal cell cancer is a type of kidney cancer that can cause bloody urine and persistent pain in the side.
- Hypopituitarism
Hypopituitarism is a rare disorder of the pituitary glands, which can cause many different symptoms.
- Small intestine cancer
Small intestine cancer is rare and often has no symptoms, but can cause symptoms in its advanced stages.
- Endocarditis
Signs of endocarditis, an infection of the heart, include swelling, rash, sinus congestion, nausea, and more.
- Pseudohypoparathyroidism
Pseudohypoparathyroidism is a rare inherited condition that can lead to cramps, muscle spasms, 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.
- Anemia, hemolytic
Hemolytic anemia occurs when there aren't enough red blood cells in the blood.
- Bird (avian) flu
Bird flu is spread to people from birds and causes fever, cough, sore throat and muscle aches.
- West nile virus
West Nile virus is an infection spread by mosquitoes, and can cause diarrhea, fever, abdominal pain, and more.
- Throat cancer
Throat cancer can cause symptoms including difficulty swallowing, hoarseness, and chronic cough.
- Stomach cancer
Early stomach cancer may cause commonly misdiagnosed symptoms such as indigestion, nausea, and poor appetite.
