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Arrhythmias, heart dysfunction; Bleeding (may progress to hemorrhage) Coma; Decreased urination; Delirium; Fever; Headache; Jaundice; Muscle aches (myalgia) Red eyes, face, tongue; Seizures; Vomiting; Vomiting blood;
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Once a mosquito has passed the yellow fever virus to a human, the chance of disease developing is about 5-20%. Infection may be fought off by the host's immune system, or may be so mild that it is never identified. In human hosts who develop the d...
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Fever is the temporary increase in the body's temperature, in response to some disease or illness. A child has a fever when their temperature is at or above one of these levels: 100.4 F (38 C) measured in the bottom (rectally; 99.5 F(37.5 C) measu...
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A fever is any body temperature elevation over 100.4°F (38°C).
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Fever is defined as an abnormally high body temperature or a regulated rise to a new set point of body temperature. While a body temperature above 100°F(37.8°C) is considered to be a fever by some clinicians, a significant fever is usually defined...
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An elevated body temperature. While the standard for normal body temperature is 98.6°F (37°C), normal body temperatures actually fluctuate within a range of one to two degrees, making it impossible to formulate a precise definition of fever based ...
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Normal body temperature varies somewhat from one individual to another but displays a general range and pattern around the "normal" temperature of 98.6°F. Early morning body temperature may be as low as 97°F, and as high as 99.3°F in the afternoon...
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A fever is any body temperature elevation over 100°F (37.8°C).
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Hyperthermia is the use of therapeutic heat to treat various cancers on and inside the body.
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Hyperthermia involves raising the body's core temperature as a means of eradicating tumors. The treatment simulates fever . Some therapies actually bring on fever through the introduction of fever-causing organisms, while others raise body tempera...
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Bleeding refers to the loss of blood. Bleeding can happen inside the body (internally) or outside the body (externally. It may occur: Inside the body when blood leaks from blood vessels or organs; Outside the body when blood flows through a natura...
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Jaundice is a yellow color in the skin, the mucous membranes, or the eyes. The yellow pigment is from bilirubin, a byproduct of old red blood cells.
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Jaundice is a condition in which the patient has a yellow hue because of high blood levels of bilirubin, a breakdown product of hemoglobin that is potentially toxic. The yellow discoloration is most noticeable in the skin, the sclera (whites of th...
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Jaundice is a condition in which a person's skin and the whites of the eyes are discolored yellow due to an increased level of bile pigments in the blood resulting from liver disease. Jaundice is sometimes called icterus , from a Greek word for "t...
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Refers to the yellowing of skin, sclera (white of eyes), mucous membranes, and of body fluids such as urine and blood plasma. Jaundice is caused by excess bilirubin in the blood stream. The skin, sclera (whites of the eyes), mucous membranes, urin...
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Chills refers to feeling cold after an exposure to a cold environment. The word can also refer to an episode of shivering, accompanied by paleness and feeling cold.
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Chills is the common name for a feeling of coldness accompanied by shivering and possibly fever .
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Gastrointestinal (GI) bleeding refers to any bleeding that starts in the gastrointestinal tract, which extends from the mouth to the anus. The amount of bleeding can range from nearly undetectable to acute, massive, and life threatening. Bleeding ...
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GI bleeding studies uses radioactive materials in the investigation of bleeding from the gastrointestinal (GI) tract. These studies go under various names such as "GI bleeding scans" or "Tagged red blood cell scans." They are performed and interpr...
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Vomiting blood is a backward flowing (regurgitation) of blood through the upper gastrointestinal (GI) tract. The upper GI tract includes the stomach, mouth, throat, esophagus (the swallowing tube), and the first part of the small intestine.
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Decreased urine output is defined as producing less than 500 milliliters of urine in 24 hours.
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The color of vomited blood varies depending on the amount of time the blood has been in the gastrointestinal system. If there is a delay in vomiting, blood will appear dark red, brown or black and precipitated blood clots produce the appearance of coffee ground like material.
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Sometimes a person feels hot to touch due to illness or environmental situation that causes elevated core temperature. A compounding factor can be dehydration (lack of fluids.
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Pain is a universal human experience. The International Association for the Study of Pain (IASP) defines pain as "an unpleasant sensory and emotional experience associated with actual or potential tissue damage or described in terms of such damage...
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Pain, medically termed "nociception," is a response to noxious stimuli that is conveyed to the brain by sensory neurons . The discomfort signals actual or impending injury to the body. However, pain is more than a sensation, or the physical awaren...
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Pain is an unpleasant feeling that is conveyed to the brain by sensory neurons. The discomfort signals actual or potential injury to the body. However, pain is more than a sensation, or the physical awareness of pain; it also includes perception, ...
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Pain is an unpleasant feeling that is conveyed to the brain by sensory neurons. The discomfort signals actual or potential injury to the body. However, pain is more than a sensation, or the physical awareness of pain; it also includes perception, ...
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Pain is an unpleasant feeling that is conveyed to the brain by nerves in the body.
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A headache is pain or discomfort in the head, scalp, or neck. Serious causes of headaches are extremely rare. Most people with headaches can feel much better by making lifestyle changes, learning ways to relax, and occasionally by taking medicatio...
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A headache is a pain in the head and neck region that may be either a disorder in its own right or a symptom HEADACHE THERAPIES Description Type Acupressure Press pointer fingers beneath cheekbones and parallel to pupils (Stomach 3) for one minute...
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A headache involves pain in the head which can arise from many disorders or may be a disorder in and of itself.
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A headache involves pain in the head that can arise from many disorders or may be a disorder in and of itself.
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Headache is a pain in the head and neck region that may be either a disorder in its own right or a symptom of an underlying medical condition or disease. The medical term for headache is cephalalgia. Headaches are one of the most common and univer...
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Vomiting is the forceful discharge of stomach contents through the mouth.
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Nausea is the sensation of having an urge to vomit. Vomiting is forcing the contents of the stomach up through the esophagus and out of the mouth.
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Nausea is the sensation of having a queasy stomach or being about to vomit. Vomiting , or emesis, is the expelling of undigested food through the mouth.
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A seizure is the physical findings or changes in behavior that occur after an episode of abnormal electrical activity in the brain. See also: Generalized tonic clonic seizure; Partial (focal) seizure; Petit mal (absence) seizure; Epilepsy; Fever (...
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A seizure is a sudden change in behavior characterized by changes in sensory perception (sense of feeling) or motor activity (movement) due to an abnormal firing of nerve cells in the brain. Epilepsy is a condition characterized by recurrent seizu...
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A seizure is a sudden change in behavior characterized by changes in sensory perception (sense of feeling) or motor activity (movement) due to an abnormal firing of nerve cells in the brain . Epilepsy is a condition characterized by recurrent seiz...
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A temporary series of uncontrollable muscle spasms brought on by unusual electrical activity in the brain. Also known as convulsion, clonic seizure, or tonic-clonic seizure. A seizure is characterized by a sudden episode of un- controllable brain ...
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Coma, from the Greek word "koma," meaning deep sleep, is a state of extreme unresponsiveness, in which an individual exhibits no voluntary movement or behavior. Furthermore, in a deep coma, even painful stimuli (actions which, when performed on a ...
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Coma, from the Greek word koma , meaning deep sleep, is a state of extreme unresponsiveness, in which an individual exhibits no voluntary movement or behavior. Furthermore, in a deep coma, even painful stimuli (actions which, when performed on a h...
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Back pain may occur in the upper, middle, or lower back; it is most often experienced in the lower back. It may originate from the bones and ligaments forming the spine, the muscles and tendons supporting the back, the nerves that exit the spinal ...
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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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Itching is a tingling or irritation of the skin that makes you want to scratch the affected area.
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Itching is an intense, distracting irritation or tickling sensation that may be felt all over the skin's surface or confined to just one area. The medical term for itching is pruritus.
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Itching is an intense, distracting irritation or tickling sensation that may be felt all over the skin's surface or confined to just one area. The medical term for itching is pruritus.
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Itching, also called pruritus, is an unpleasant sensation of the skin that causes a person to scratch or rub the area to find relief. Itching can be confined to one spot (localized) or over the whole body (generalized). Severe scratching can injur...
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Itching is an intense, distracting irritation or tickling sensation that may be felt all over the skin's surface, or confined to just one area. The medical term for itching is "pruritus."
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Delirium is sudden severe confusion and rapid changes in brain function that occur with physical or mental illness.
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Delirium is a transient, abrupt, usually reversible syndrome characterized by a disturbance that impairs consciousness, cognition (ability to think), and perception.
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Delirium is a medical condition characterized by a vascillating general disorientation, which is accompanied by cognitive impairment, mood shift, self-awareness, and inability to attend (the inability to focus and maintain attention). The change o...
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Delirium is a state of mental confusion that develops quickly and usually fluctuates in intensity.
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Anorexia is characterized by a loss of appetite or lack of desire to eat.
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Muscle aches and pains are common and can involve more than one muscle. Muscle pain also can involve ligaments, tendons, and fascia, the soft tissues that connect muscles, bones, and organs. See also: Muscle cramps; Joint pain.
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Unconsciousness is when a person is unable to respond to people and activities. Often, this is called a coma or being in a comatose state. Other changes in awareness can occur without becoming unconscious. Medically, these are called "altered ment...
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Urine is produced in the kidneys, which are important organs for the health of our body. When we take fluid in, it passes from our digestive system into our circulatory system and is filtered through the kidneys.
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Urine of an abnormal color appears different from the usual straw-yellow color. Abnormally-colored urine may be cloudy, dark, or blood-tinged. See also: Urine, bloody or dark
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Yellow eyes is a manifestation of jaundice which is caused by excess bilirubin in the blood stream. Bilirubin is a byproduct of red blood cells, normally broken down in the liver when they become a waste products.
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A swollen abdomen is when your belly area is bigger than usual. See also: Abdominal girth
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Red eyes are caused by enlarged, dilated blood vessels, leading to the appearance of redness on the surface of the eye.
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Stools that are pale, or clay- or putty-colored may result from problems in the biliary system (the drainage system of the gallbladder, liver, and pancreas.
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An arrhythmia is a disorder of the heart rate (pulse) or heart rhythm, such as beating too fast (tachycardia), too slow (bradycardia), or irregularly.
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An arrhythmia is an abnormality in the heart's rhythm, or heartbeat pattern. The heartbeat can be too slow, too fast, have extra beats, skip a beat, or otherwise beat irregularly.
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Skin blushing or flushing is a sudden reddening of the face, neck, or upper chest.
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