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Chlorine is found in non-toxic concentrations in many household products, including swimming pool water, mild cleaners, or mild bleaches. However, swallowing or breathing in (inhaling) inhalation pure or highly concentrated chlorine can cause seve...
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Abdominal pain is pain that you feel anywhere between your chest and groin. This is often referred to as the stomach region or belly.
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Abdominal pain is very common in children, and in many cases there’s no serious cause. But stomach pain can sometimes point to a serious problem, such as appendicitis, so it is important to know when to seek help.
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Blindness is the lack of vision, or a loss of vision that cannot be corrected with glasses or contact lenses. Blindness may be partial, with very limited vision, or complete, with no perception of light. People with vision worse than 20/200, or a field of vision of less than 20 degrees in the better eye, are considered legally blind in most states in the U.S.
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Total blindness is the inability to tell light from dark, or the total inability to see. Visual impairment or low vision is a severe reduction in vision that can ' t be corrected with standard glasses or contact lenses and reduces a person ' s ability to function at certain or all tasks.
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Bloody stools often indicate an injury or disorder in the digestive tract. Your doctor may use the term "melena" to describe black, tarry, and foul-smelling stools or "hematochezia" to describe red- or maroon-colored stools.
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An earache can be sharp, dull, or burning pain. The pain may be temporary or constant.
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An earache is a commonly used term for ear pain or discomfort that is a symptom of disease or injury. An earache itself is not a disease, but it is a symptom of disease or injury in the external or middle ear.
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Eschar is dead tissue that sheds (sloughs-off) from healthy skin. It is caused by a burn or cauterization . An escharotic is a substance that causes the tissue to die and slough off, such as acids, alkalies, carbon dioxide, metallic salts, or electric cautery.
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Pain in the eye (that is not due to injury) may be described as a burning, throbbing, aching, or stabbing sensation in or around the eye. It may also feel as if there is a foreign body in the eye.
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Nasal flaring refers to enlargement of the opening of the nostrils during breathing.
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Low blood pressure, or hypotension, occurs when blood pressure during and after each heart beat is much lower than usual. This means the heart, brain, and other parts of the body do not get enough blood. Dizziness or lightheadedness can result. See also: Blood pressure
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Hypotension is the medical term for low blood pressure. The pressure of the blood in the arteries rises and falls as the heart and muscles handle demands of daily living, such as exercise , sleep and stress .
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A strong feeling of burning, squeezing pain while swallowing (felt high in the neck or lower down, behind the breastbone) may be a symptom of a serious disorder.
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Gastrointestinal bleeding refers to any bleeding that starts in the gastrointestinal tract, which extends from the mouth to the large bowel. The degree of bleeding can range from nearly undetectable to acute, massive, and life-threatening. Bleeding may come from any site along the gastrointestinal tract, but is often divided into: Upper GI bleeding: The upper gastrointestinal (GI) tract is located between the mouth and outflow tract of the stomach. Lower GI bleeding: The lower GI tract is located from the outflow tract of the stomach to the anus (small and large bowel included).
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Understanding Rectal BleedingRectal bleedingis when blood passes through your rectum and anus. It can occur with or without a bowel movement.
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Evaluating and Treating Rectal BleedingYour doctor will do a medical evaluation to find the site and cause of your bleeding. He or she will ask about your health and examine you.
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Shock is a life-threatening condition that occurs when the body is not getting enough blood flow. This can damage multiple organs. Shock requires IMMEDIATE medical treatment and can get worse very rapidly.
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Shock is a medical emergency in which the organs and tissues of the body are not receiving an adequate flow of blood. This deprives the organs and tissues of oxygen (carried in the blood) and allows the buildup of waste products.
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Shock occurs when the body ' s organs and tissues do not receive an adequate flow of blood . Inadequate blood flow deprives the organs and tissues of oxygen and allows the buildup of waste products.
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Breathing difficulties involve a sensation of difficult or uncomfortable breathing or a feeling of not getting enough air. See also difficulty breathing - first aid.
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Shortness of breath, or dyspnea, is a feeling of difficult or labored breathing that is out of proportion to the patient ' s level of physical activity. It is a symptom of a variety of different diseases or disorders and may be either acute or chronic.
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Urticaria pigmentosa is a disease that produces skin lesions and intense itching . If the lesions are rubbed, hives may form on the site.
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A sore throat is discomfort, pain, or scratchiness in the throat. A sore throat often makes it painful to swallow.
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Sore throat, also called pharyngitis, is a painful inflammation of the mucous membranes lining the pharynx. It is a symptom of many conditions, but most often is associated with colds or influenza .
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Sore throat is an upper respiratory infection that may be caused by inflammation of the pharynx, larynx, or tonsils. Thus, it is a symptom of many conditions, but most often is associated with common cold or influenza .
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Sore throat is a painful inflammation of the mucous membranes lining the pharynx. Sore throat is also called pharyngitis.
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Sore throat, also called pharyngitis, is a painful inflammation of the back of the throat. It is a symptom of many conditions, but most often is associated with colds or influenza .
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Tongue problems include soreness, enlargement, or irregularities of the tongue.
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Vomiting is the forceful discharge of stomach contents through the mouth. Vomiting, also called emesis, is a symptomatic response to any number of harmful triggers.
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Vomiting blood is a regurgitation of blood from the upper gastrointestinal tract, which includes the mouth, pharynx, esophagus (the feeding tube that transmits food and secretions from mouth to stomach), stomach, and small intestine.
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