- Food poisoning
Food poisoning can cause abdominal pain, diarrhea, nausea, vomiting, fever, chills, and weakness.
- Traveler's diarrhea
Traveler's diarrhea causes watery diarrhea and cramps, sometimes with a low-grade fever.
- 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.
- Diabetes, type 2
Diabetes can make you feel hungry, tired, or thirsty; you may urinate more than normal and have blurry vision.
- Viral gastroenteritis
Gastroenteritis (stomach flu) is a viral condition that causes diarrhea and vomiting.
- Medication reaction or side-effect
Medication side effects include nausea, vomiting, stomach upset, weakness, dizziness, seizures, and more.
- Transient ischemic attack (mini-stroke)
Transient ischemic attacks cause headache, numbness, tingling, or weakness in the face, arm, or leg, and more.
- Hyperthyroidism
Hyperparathyroidism can cause fatigue and weakness, increased thirst, impaired thinking, and bone fractures.
- Indoor allergens
Indoor allergens are the things that cause an allergic reaction: dust, dust mites, mold, pet hair and more.
- Campylobacter
Campylobacter is an intestinal infection causing abdominal pain and cramping, nausea, diarrhea, and vomiting.
- Dust exposure
Dust exposure can cause congestion, runny nose, cough, shortness of breath, tightness in the chest, and more.
- Excessive caffeine use
Excessive caffeine use can cause irritability, difficulty sleeping, anger, depression, and fatigue.
- Antibiotic use
Antibiotics can cause stomach pain, diarrhea, nausea, vomiting, itching, rashes and dizziness.
- Eye injury
There are many types of eye injury, and symptoms include eye pain, burning, irritation, bleeding, and more.
- Nearsightedness
Nearsightedness is a common eye problem that causes blurry, distant vision.
- Hay fever
Hay fever, an allergic reaction to outdoor pollens and molds, causes nasal congestion, itchy eyes, and more.
- Pink eye (conjunctivitis)
Pinkeye is redness and swelling of the membrane that lines the eyelid, called the conjunctiva.
- Depression (Adult)
Depression is a painful sadness that interferes with daily life and includes hopelessness, anxiety, and more.
- Acute sinusitis
Acute sinusitis, an inflammation of the sinuses, causes sinus pain and tenderness, facial redness and more.
- Allergic reaction
Allergic reaction causes sneezing, runny nose and hives and can lead to anaphylaxis, a whole body reaction.
- Diabetes, type 1
Diabetes can make you feel hungry, tired, or thirsty; you may urinate more than normal and have blurry vision.
- Lactose intolerance
Lactose intolerance, or the inability to digest lactose, leads to gas, bloating, and other symptoms.
- Chronic sinusitis
Chronic sinusitis, or sinus infections, cause a stuffy or runny nose, tooth pain, fever, sore throat and more.
- Inflammatory bowel disease
Inflammatory bowel disease causes swelling and symptoms such as cramping, chronic diarrhea, and bleeding.
- Drug overdose
A drug overdose can be fatal and causes sleepiness, confusion, coma, vomiting, and other symptoms.
- Sleep disorder (elderly)
The symptoms of sleep disorders in older people include trouble falling and staying asleep, fatigue, and more.
- Anemia, chronic disease
Anemia of chronic disease (ACD) can cause fatigue, pale skin, weakness, dizziness, headache and more.
- Pinworms
Pinworms are small worms that infect the intestines and cause intense itching around the anus.
- Insomnia
Insomnia symptoms include trouble staying asleep at night, feeling tired during the day, moodiness, and more.
- Iron poisoning
Iron poisoning causes abdominal pain, vomiting, diarrhea, lethargy, and dehydration.
- Restless legs syndrome
Restless leg syndrome causes intense discomfort in your legs and an overpowering urge to move them.
- Schizophrenia
Schizophrenia is a serious, chronic mental illness that causes delusional or hallucinogenic thoughts.
- Sickle cell disease
Sickle cell disease symptoms include repeated infections, yellow skin, fatigue, dizziness, pain, and more.
- Thyroid storm
A thyroid storm, dangerously high levels of thyroid hormone, causes fever, racing heartbeat, sweating, and more
- 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.
- Giardiasis
Giardiasis is an infection of the small intestine causing diarrhea, gas, bloating, nausea and stomach cramps.
- Diabetic ketoacidosis
Symptoms of diabetic ketoacidosis include dry mouth, excessive thirst and urination, and more.
- Diverticulosis
Diverticulosis is a condition of the colon and causes pain, cramping, infection, bleeding, and other symptoms.
- Epilepsy (simple partial seizures)
During simple partial epileptic seizures, people remain fully conscious, able to respond to external stimuli.
- Epilepsy (complex partial seizures)
During complex partial seizures, people lose consciousness briefly.
- Amebiasis
Amebiasis is an intestinal parasitic infection causing diarrhea, cramps, gas, fever, and fatigue.
- Anemia, iron deficiency
Anemia , a lack of red blood cells, can cause fatigue, pale skin and gums, brittle nails, irritability, and more.
- Benzodiazepine abuse
Benzodiazepines are prescription medications that cause drowsiness, dizziness, blurred vision, and more.
- Acute angle-closure glaucoma
Acute angle-closure glaucoma is sudden and causes intense pain in one eye, redness, cloudy vision and more.
- Chronic kidney disease
Chronic kidney disease is a condition of the kidneys that can cause high blood pressure, fatigue, and weakness.
- Cryptococcosis
Cryptococcosis is a lung disease causing a wide range of digestive, respiratory and cardiovascular symptoms.
- Foreign object in the nose
Symptoms of a foreign body in the nose include trouble breathing, pain, discharge, and bleeding.
- Periodic limb movement disorder
Periodic limb movement disorder is a sleep disorder that causes the legs to move repetitively during sleep.
- Dementia in head injury
Dementia resulting from a head injury may cause memory problems, difficulty speaking, and personality changes.
- Nightmares
Nightmares are frightening and stressful dreams.
- Colon cancer
Colon cancer is often asymptomatic, but it can cause constipation, bowel obstruction, bloody stool and more.
- Crohn's disease
Crohn's disease is a digestive condition that causes swelling, cramping, diarrhea, and nutritional problems.
- Cystic fibrosis
Cystic fibrosis is an inherited disease that causes the body to produce abnormally thick and sticky mucus.
- Antibiotic-associated diarrhea
Antibiotic-associated diarrhea is frequent, watery bowel movements that happen after taking antibiotics.
- Astigmatism
Astigmatism is a common eye problem causing blurry vision, difficulty seeing details and eye strain headaches.
- Celiac disease
Celiac disease, which is an intestinal reaction to gluten, can cause gas, diarrhea, bloating, and weight loss.
- Low blood pressure (hypotension)
Low blood pressure, or hypotension, can make you feel lightheaded and dizzy
- Lyme disease
Lyme disease is a bacterial infection spread through tick bites; symptoms include rash, fever chills, and more.
- Macular degeneration
Macular degeneration is a painless eye condition that causes you to lose your central vision.
- Emphysema
Emphysema is a chronic lung condition that causes shortness of breath, a chronic cough, wheezing, and more.
- Farsightedness (presbyopia)
Presbyopia causes an inability to focus on close objects, and headaches or eyestrain when working or reading.
- Retinal detachment
Retinal detachment causes floaters in your vision, flashes of light, blind spots, loss of vision, and more.
- Rotavirus
Rotavirus is an inflammation of the stomach and intestines leading to diarrhea and vomiting.
- Salmonella
Salmonella are a type of bacteria that can infect the body and cause diarrhea, cramps, and fever.
- Shigellosis
Shigellosis is irritation of the stomach and intestine and causes bloody diarrhea, abdominal pain, and fever.
- Stool holding (encopresis)
Young children with encopresis soil their underwear or clothing with unintentional bowel movements.
- Stroke
A stroke occurs when blood and oxygen to the brain are cut off, and causes numbness, confusion, and more.
- Nasal polyps
Nasal polyps, sacs of inflamed tissue in the nasal passages, can cause cold symptoms, snoring, and more.
- Foreign object in the eye
Symptoms of a foreign object in the eye include pain, stinging, itchiness, redness, tearing, bleeding, and more.
- Glaucoma
Glaucoma is a group of eye conditions in which fluid builds up in your eye causing gradual vision loss.
- Nonallergic rhinitis
Non-allergic rhinitis causes congestion, sneezing, runny nose, or itchy red eyes for no apparent reason.
- Ocular migraine
Ocular migraine usually refers to a type of migraine that can cause temporary blindness in one eye.
- Ulcerative colitis
Ulcerative colitis causes swelling in the large intestine and can lead to cramping, diarrhea, and more.
- 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.
- Diabetic eye disease
People with diabetes may develop diabetic eye disease, causing vision loss and even blindness.
- Toxic shock syndrome
Toxic shock syndrome is a serious bacterial infection and causes fever, low blood pressure, a rash, and more.
- Mad cow disease
Mad cow disease is spread to humans by eating infected cows causing depression, anxiety, psychosis, and more.
- Ricin poisoning
Ricin is a dangerous poison in castor beans, and causes trouble breathing, nausea, fever and sweating.
- Pseudohypoparathyroidism
Pseudohypoparathyroidism is a rare inherited condition that can lead to cramps, muscle spasms, and more.
- Mesenteric lymphadenitis
Mesenteric lymphadenitis is an inflammation of abdominal lymph nodes causing pain, diarrhea, fever, and more.
- Typhoid fever
Typhoid fever is a life-threatening illness and causes fever, general aches and pains, headache, and weakness.
- Radiation sickness
Radiation sickness is caused by a high dose of radiation, and causes vomiting, diarrhea, hair loss, and more.
- Anemia, hemolytic
Hemolytic anemia occurs when there aren't enough red blood cells in the blood.
- Cholera
Cholera is a bacterial infection that can cause diarrhea, nausea, excessive thirst, dry skin and vomiting.
- Carcinoid syndrome
Carcinoid syndrome is a group of symptoms such as flushing, wheezing, and diarrhea that may develop in people who have carcinoid cancer.
