Internal bleeding may be caused by trauma, medications, or insufficient clotting factors. Symptoms of internal bleeding may be:

pain,
referred pain,
change in stool color,
blood in the urine, or
change in vision, or
change in mental function.

Treatment of internal bleeding depends on the cause.

Read the Internal Bleeding Main Article

Doctor's Notes on Internal Bleeding Symptoms

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Blood Clots

Blood is supposed to clot to help repair a blood vessel that is injured. Clots or thrombi become a problem when they form inappropriately. There are a variety of illnesses and risk factors that can lead to blood clot formation such as atrial fibrillation, heart attack, strokes, transient ischemic attacks (TIAs), pulmonary embolism, deep vein thrombosis (DVT), and more. Diagnosis and treatment of blood clots depends on the cause and severity of the clot.
Colonoscopy

Colonoscopy is a procedure used to view the inside of the colon. Reasons for colonoscopy is to detect or diagnose diseases of the colon, for example, Crohn’s disease, ulcerative colitis, other types of colitis, colon polyps, colon cancer, diverticulitis, and other bowel and rectal diseases. Risks for colonoscopy include colon perforation, infection, or bleeding.
Complete Blood Count (CBC)

Complete blood count (CBC) is one of the most common blood tests. The complete blood count test provides valuable information about the quantity of the different types of cells in the blood. The major cells in the blood are red blood cells, white blood cells, and platelets. Complete blood count can assist in diagnosing anemia, certain cancers, kidney problems, and allergic reactions.
Head Injury

Head injury is a general term used to describe any trauma to the head, and most specifically to the brain itself. Several types of head injuries may occur such as skull fractures, intracranial hemorrhage (bleeding) such as subdural or epidural hematoma. Treatment of a head or brain injury depends on the cause and severity of the injury. Skull fracture: A skull fracture is a break in ...
Hematoma

A hematoma is a collection of blood outside a blood vessel usually caused by injury to the blood vessel wall. Causes of hematoma include: trauma, head injury, bumps, infections, and diseases. Symptoms may be pain, redness, and swelling. Treatment of hematoma depends on the cause.
Low Blood Pressure

Low blood pressure (hypotension) may be caused by heart conditions, intravascular fluid complications (dehydration, pneumonia, vomiting, diarrhea, bleeding), medications, endocrine conditions, allergic reactions, orthostatic hypotension, diabetes, and micturition syncope. Low blood pressure may or may not have symptoms depending upon the cause. Treatment also depends upon the causes of low blood pressure.
Sepsis (Blood Infection)

Sepsis is a blood infection caused by bacteria, viruses, or fungi. Immunocompromised individuals, very young babies, and the elderly are most at risk for developing sepsis. Symptoms and signs include chills, shaking, fever, rapid heartbeat, confusion, rash, and joint pain. Treatment depends upon the severity of the infection and may involve the patient being placed on oxygen and given IV antibiotics and saline.
Shock

Medical shock occurs from many illnesses, conditions, or trauma. Types of shock include septic, hypovolemic, hemorrhagic, cardiogenic, neurogenic, hypoglycemic, hyperglycemic, and anaphylactic shock. The treatment and outcome of medical shock depends upon the medical situation.

Featured:

Blood Clots Blood is supposed to clot to help repair a blood vessel that is injured. Clots or thrombi become a problem when they form inappropriately. There are a variety of illnesses and risk factors that can lead to blood clot formation such as atrial fibrillation, heart attack, strokes, transient ischemic attacks (TIAs), pulmonary embolism, deep vein thrombosis (DVT), and more. Diagnosis and treatment of blood clots depends on the cause and severity of the clot.

Internal Bleeding Topic Guide - Visuals

Slideshow

DVT Slideshow

Internal Bleeding Topic Guide - Medications and Vitamins

Medications:

Ticlopidine (oral)

Ticlopidine helps to prevent platelets in your blood from sticking together and forming a blood clot. An unwanted blood clot can occur with certain heart or...learn more »