- Gastrointestinal bleeding
The symptoms of gastrointestinal bleeding include black or bloody stool or vomit, dizziness, and cramping.
- Medication reaction or side-effect
Medication side effects include nausea, vomiting, stomach upset, weakness, dizziness, seizures, and more.
- Hemorrhoids
Hemorrhoids are swollen veins in the rectum or anus, and cause pain, itching, bleeding, and irritation.
- Intoxication
Symptoms of intoxication include euphoria, slowed reaction time, dizziness, confusion, numbness, and more.
- Short-acting sedative use
The symptoms of short-acting sedatives include drowsiness, vertigo, muscle weakness, double vision, and more.
- Aspirin use
Side effects of taking aspirin include nosebleeds, bruises, stomach pain and upset, bloody vomit and more.
- Peptic ulcer
Peptic ulcers, sores in the lining of the stomach or upper intestine, cause abdominal pain, gas, and more.
- Helicobacter pylori infection
Helicobacter, bacteria in the digestive tract, causes peptic ulcers and their associated pain and burning.
- Esophageal cancer
Esophageal cancer starts in the lining of the esophagus and can cause difficulty swallowing.
- Thrombocytopenia
Thrombocytopenia causes bruising, frequent nosebleeds, and tiny red dots that look like a rash.
- Epilepsy (absence or petit mal seizures)
Petit mal or absence epileptic seizures cause staring spells or chewing motions.
- Epilepsy (complex partial seizures)
During complex partial seizures, people lose consciousness briefly.
- Club foot
Clubfoot is a foot defect that a baby is born with. It causes the foot to turn to the side and to face upwards
- Esophageal varices
Esophageal varices occur when the veins in the lower part of your esophagus become swollen.
- Blood clotting disorder
Blood clotting disorders increase the risk that dangerous blood clots will form in the body.
- Transient global amnesia
Transient global amnesia is a sudden loss of memory. Symptoms usually last for hours and then memory returns.
- Taking iron supplements
Taking iron supplements can cause chest pain, headache, a metallic taste in your mouth, nausea, and more.
- Taking Pepto-bismol (bismuth)
Side effects of medications with bismuth include black stool and a black tongue.
- Parkinson disease
Parkinson's disease is a disorder of the nervous system causing tremors stiffness and slow movement.
- Labyrinthitis
Labyrinthitis, an infection and swelling in the inner ear, and may cause vertigo or hearing loss.
- Iron poisoning
Iron poisoning causes abdominal pain, vomiting, diarrhea, lethargy, and dehydration.
- Vitamin B12 deficiency
Vitamin B12 deficiency symptoms include fatigue, pale skin, weakness, sleepiness, numbness, weakness, and more.
- Alcohol intoxication
Alcohol intoxication, or drunkenness, is marked by impaired judgment, slurred speech, blurred vision and more.
- Alzheimer's disease
Alzheimer's disease is type of dementia that causes memory loss, as well as thinking and behavior problems.
- Aspirin poisoning
Aspirin poisoning is a medical emergency and can cause nausea, vomiting, drowsiness and more.
- Lumbar spinal stenosis
Lumbar spinal stenosis is a condition that can cause pain in the lower back, buttocks, legs, and feet.
- Transient ischemic attack (mini-stroke)
Transient ischemic attacks cause headache, numbness, tingling, or weakness in the face, arm, or leg, and more.
- Juvenile rheumatoid arthritis
Juvenile rheumatoid arthritis or JRA is a long-term disease that causes pain and swelling in children's joints
- Pre-leukemia (myelodysplastic syndrome)
Myelodysplastic syndromes are diseases that affect the bone marrow and blood, causing anemia and tiredness.
- Anal fissure
An anal fissure, a tear in the anal tissue, causes pain and bleeding, especially during bowel movements.
- 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.
- Progressive supranuclear palsy
Progressive supranuclear palsy is a brain disease causing problems with balance, movement, thinking, and more.
- Sarcoidosis
Sarcoidosis is a rare disease that can cause swelling and hard lumps in the lymph nodes and organs.
- Small intestine cancer
Small intestine cancer is rare and often has no symptoms, but can cause symptoms in its advanced stages.
- Spinal tumor
Spinal tumors can cause back pain, weakness, and numbness in the legs and arms, and more serious issues.
- Brain tumor
Primary brain tumors are often benign but can cause seizures, ongoing headaches, or loss of coordination.
- Brain infection
A brain infection is inflammation of the brain or spinal cord and can cause nausea, fever, seizures and more.
- Mad cow disease
Mad cow disease is spread to humans by eating infected cows causing depression, anxiety, psychosis, and more.
