- Hemophilia
Hemophilia is a disorder in which the blood lacks certain clotting factors making bleeding difficult to stop.
- Gastrointestinal bleeding
The symptoms of gastrointestinal bleeding include black or bloody stool or vomit, dizziness, and cramping.
- Bruise or contusion
Bruises, or contusions, cause skin discoloration, swelling and tenderness.
- Medication reaction or side-effect
Medication side effects include nausea, vomiting, stomach upset, weakness, dizziness, seizures, and more.
- Aspirin use
Side effects of taking aspirin include nosebleeds, bruises, stomach pain and upset, bloody vomit and more.
- Thrombocytopenia
Thrombocytopenia causes bruising, frequent nosebleeds, and tiny red dots that look like a rash.
- Pre-leukemia (myelodysplastic syndrome)
Myelodysplastic syndromes are diseases that affect the bone marrow and blood, causing anemia and tiredness.
- Peptic ulcer
Peptic ulcers, sores in the lining of the stomach or upper intestine, cause abdominal pain, gas, and more.
- Blood clotting disorder
Blood clotting disorders increase the risk that dangerous blood clots will form in the body.
- Helicobacter pylori infection
Helicobacter, bacteria in the digestive tract, causes peptic ulcers and their associated pain and burning.
- Hematoma
A hematoma is a collection of blood in the tissue outside of a damaged blood vessel, usually after an injury.
- Colon polyps
Colon polyps are growths that form in the lining of the colon, and can cause constipation, diarrhea and more.
- Hemorrhoids
Hemorrhoids are swollen veins in the rectum or anus, and cause pain, itching, bleeding, and irritation.
- Iron poisoning
Iron poisoning causes abdominal pain, vomiting, diarrhea, lethargy, and dehydration.
- Colon cancer
Colon cancer is often asymptomatic, but it can cause constipation, bowel obstruction, bloody stool and more.
- Urinary tract infection (UTI)
Urinary tract infection symptoms include pain during urination, an intense urge to urinate, and more.
- Rectal cancer
Rectal cancer appears in the rectum and causes bloody stool and constipation.
- Esophageal cancer
Esophageal cancer starts in the lining of the esophagus and can cause difficulty swallowing.
- Glomerulonephritis
Glomerulonephritis is a type of kidney disease and causes swelling, abnormal urine, fever, achiness, and more.
- Kidney infection (pyelonephritis)
Kidney infection, caused by bacteria, is marked by sudden chills and fever, pain, nausea and urinary issues.
- Crohn's disease
Crohn's disease is a digestive condition that causes swelling, cramping, diarrhea, and nutritional problems.
- Anal fissure
An anal fissure, a tear in the anal tissue, causes pain and bleeding, especially during bowel movements.
- Bladder cancer
Bladder cancer is often asymptomatic but can cause bloody, painful, and frequent urination.
- Hydronephrosis
Hydronephrosis is a condition of the kidneys and causes aching or pain, urinary symptoms, fever, and nausea.
- Inflammatory bowel disease
Inflammatory bowel disease causes swelling and symptoms such as cramping, chronic diarrhea, and bleeding.
- Proctitis
Proctitis is pain and inflammation of the rectal lining caused by infection.
- Ulcerative colitis
Ulcerative colitis causes swelling in the large intestine and can lead to cramping, diarrhea, and more.
- Foreign object in the rectum
Symptoms of a foreign body in the rectum include nausea, vomiting, abdominal pain, constipation, and more.
- Polycystic kidney disease
Polycystic kidney disease can cause abdominal pain, headaches, and pain in the sides and back.
- Berger's disease (Idiopathic hematuria)
Berger's disease can cause blood in the urine, dark-colored urine, fever, fatigue and more.
- 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.
- Taking pyridium
Taking pyridium causes red-orange or brown urine, headache, upset stomach, and dizziness.
- Eating certain foods
Certain foods can cause unusual and sometimes unpleasant side effects, such as bad breath and heartburn.
- Trauma or injury
Trauma most often refers to serious bodily injury or wounds symptoms range depending on the injury.
- Esophageal varices
Esophageal varices occur when the veins in the lower part of your esophagus become swollen.
- Amebiasis
Amebiasis is an intestinal parasitic infection causing diarrhea, cramps, gas, fever, and fatigue.
- Allergic reaction
Allergic reaction causes sneezing, runny nose and hives and can lead to anaphylaxis, a whole body reaction.
- Renal cell (kidney) cancer
Renal cell cancer is a type of kidney cancer that can cause bloody urine and persistent pain in the side.
- 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.
