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Reaction in Medical Dictionary

Allergic reactions

... or injected. Allergic Reactions Allergic reaction can be provoked by skin contact with poison ... . An allergen is a trigger that causes the reaction after touching a certain part of the body. The ... . One of the most common symptoms of an allergic reaction is an itchy rash . Allergic reactions , ...

Allergy

... Related Category: Pathology hypersensitive reaction of the body tissue s of certain individuals to ... which a person is allergic, ... Allergy is a reaction of the immune system . Normally, the immune ... Allergy Program An allergy is an abnormal reaction or increased sensitivity to certain substances in ...

Anaphylactic shock

... - A serious, often life-threatening allergic reaction that is characterized by low blood pressure , ... is too low to sustain life. Severe Allergic reaction ( Anaphylactic Shock ) Severe Allergic reaction Overview Severe ...

Anaphylaxis

... Anaphylaxis : First aid A severe allergic reaction ( anaphylaxis ) can produce shock and ... , is a severe and sometimes life-threatening reaction to an allergen (the items that your child is ... allergic reaction. Anaphylaxis Anaphylactic reaction Anaphylaxis is a medical emergency which ...

Angioedema

... Angio- edema , Angio-o edema A vascular reaction involving the deep dermis or subcutaneous or ... edema , ... Angioedema is an allergic reaction that causes swelling deeper in the layers of ... or itching . Allergy like symptoms. Allergic reaction with generalized swelling ( angioedema ). ...

AST

... often used to describe someone who has a positive reaction to one of several tests for HIV antibodies but ... symptoms. Tests for a hypersensitivity reaction of the serum were performed using both a ... disappear, then reintroduced to see if allergic reaction develops. This method is not foolproof but may be ...

Contact dermatitis

... contact with a substance that causes an allergic reaction or irritates the skin . Eczema (atopic ... in contact with the skin . The allergic reaction often develops over a period of time through ... contact dermatitis , which is the allergic reaction similar to poison oak or poison ivy . As they ...

Drug

... are a group of symptoms caused by allergic reaction to a drug (medication). Alternative Names: Allergic reaction - drug (medication) Causes, incidence , and ... than directed. Drug rashes are the body's reaction to a certain medication. The type of rash that ...

Food allergy

... Food Allergy A food allergy is any adverse reaction to a food or food component involving the ... What is a food allergy ? A food allergy is a reaction by the body's immune system to something you ... of their headaches . Sometimes, a more mild reaction known as food intolerance is mistaken for a ...

Food

... disappear, then reintroduced to see if allergic reaction develops. This method is not foolproof but may be ... is a food allergy ? A food allergy is a reaction by the body's immune system to something you ... Intolerance Food intolerance is an adverse reaction to food which does not involve the body's ...

Grief

... Grief is your emotional reaction to a significant loss. The words sorrow and ... (e.g. Grief and Loss Grief is an emotional reaction that follows loss of someone or something of ... as a job, an object, or status. Grief is a reaction to a significant loss. It is most frequently an ...

Guillain

... Guillain -Barr� syndrome A rare but reversible reaction to a viral illness or immunization that ... to hens' eggs People who have had a severe reaction to a flu shot in the past People who ... allergy to hens' eggs, if you've had a severe reaction to a flu shot in the past, or if you've ...

Hay fever

... certain mold spores and pollen s. Allergic reaction includes sneezing , itchy eyes , sore throat ... ( Allergic Conjunctivitis ) Induced Sensitivity reaction ( Allergic Reactions ) Irritant Contact ... Dermatitis ) Medication Allergy (Allergic reaction to a Medication) ... Airborne allergen s such ...

Histamine

... have a food allergy , the only way to prevent a reaction is to avoid eating the offending food . ... The immediate treatment for a local allergic reaction one which produces considerable swelling at the ... (i.e., deliberate production of the allergic reaction by injecting the allergen , after which the ...

Hypotension

... ) Light-headedness and fainting Lupus reaction Headache Gastrointestinal upset (such as ... ) Light-headedness, fainting Lupus reaction Headache Gastrointestinal upset (such as ... elevated heart rate. This is an allergic reaction by the body's immune system to one or more of ...

Immune response

... IMMUNE RESPONSE : The immune system 's reaction against foreign substances. Immune response ... an immune response against it, an inflammatory reaction occurs. Acne lesion s get very red, with small ... immune response ). In some respect s, this reaction is similar to an allergy , in which the body ...

Immune System

... varies. Except in very rare cases, the immune reaction is not powerful enough to cure the cancer . ... to attack the joints . In some respect s, this reaction is similar to an allergy , in which the body ... The virus that causes AIDS . hives A skin reaction characterized by swelling , itching and ...

Inflammation

... Inflammation Related Category: Pathology reaction of the body to injury or to infectious, ... . Joint inflammation is the body's reaction to various disease processes. Chronic ... 1) Eosinophil ic fasciitis, an inflammatory reaction with eosinophil ia, ... If excessive ...

Insulin

... Insulin reaction Overview An insulin reaction is an excessively low blood sugar level ( ... among insulin -dependent diabetics. INSULIN reaction - A sudden uncontrolled decline in the blood ...

Poison ivy

... ivy , oak, or sumac poisoning is an allergic reaction from contact with the sap of plants such as ... poison sumac These plants can cause an allergic reaction in nearly 85 percent of the population. To be ... , poison sumac, and poison oak is an allergic reaction that happens when your skin touches these ...

Rhinitis

... nose and the sinus ), often due to an allergic reaction to pollen , dust or other airborne substances ( ... ,may be prescribed. Rhinitis is a reaction that occurs in the nose when airborne irritants ( ... Conjunctivitis Allergic Reactions Allergic reaction to a Medication Allergies Anaphylactic Shock ...

Serum sickness

... , ... Serum Sickness A hypersensitivity reaction consisting of fever , rashes , joint pain and ... reactions. A less common type of allergic reaction is called serum sickness . This can occur days ... develop and life-threatening acute allergic reaction involving the whole body ( anaphylaxis ) can ...

Shock

... is a severe, sometimes life-threatening, allergic reaction that occurs within minutes of exposure an ... SHOCK : A life-threatening allergic reaction characterized by a swelling of body tissue s ... and sometimes life-threatening immune system reaction to an antigen that a person has been previously ...

Sneezing

... or asthma attacks - are caused by the body's reaction to a substance ( allergen ) that is inhaled, ... certain mold spores and pollen s. Allergic reaction includes sneezing , itchy eyes , sore throat ... poison ivy or sneezing from hay fever . The reaction depends on the person but is sometimes ...

Transfusion reaction

... Transfusion reaction Definition: Transfusion reaction is a complication of blood transfusion where ... components of the transfusion . Transfusion reaction Human blood is typed by the presence of ...

Transfusion

... of transfusion medicine. Transfusion reaction is a complication of blood transfusion where ... side effects may include symptoms of an allergic reaction such as headache , fever , itching , increased ... The following are symptoms of transfusion reaction s: ... Metabolic or respiratory acidosis ...

Urticaria

... appear on the skin - usually as an allergic reaction from eating certain foods or taking certain ... s (wheals) of the skin , caused by an allergic reaction (see allergy ). Hives ( urticaria ) are ... they occur? Clusters of hives may appear as a reaction to an allergen such as food , medicine, or an ...

ABO incompatibility

... - Incomplete ... ABO incompatibility (similar to a transfusion reaction , caused when fetal and maternal blood mingle before birth ) Rh ... Antibodies Definition: ABO incompatability describes an immune reaction that occurs in the body if two blood samples of different, incompatible ...

Allergic conjunctivitis

... Definition: Allergic conjunctivitis describes the eye 's reaction to allergy -causing substances like pollen and dander. It usually ... examination . Allergic Conjunctivitis Allergic Reactions Allergic reaction to a Medication Allergies Anaphylactic Shock ( Anaphylaxis ) ...

Allergies

... possibly harmful and costly treatment . Allergies are an abnormal reaction of the body's immune system to a substance that for most people is ... that come in contact with the skin , are the result of an immune system reaction similar to an attack against a bacterium or virus . Food allergies ...

Allergy testing

... testing for antibiotics is indicated when there has been an allergic reaction while taking an antibiotic . Standardized skin testing is available for ... allergy testing? Food allergy testing is a way to check your body's reaction to certain foods . One or more of the following tests may be done: ... ...

Anesthesia

... felt when the cuts are made. Also, in rare cases, people have an allergic reaction to the drug used in this type of anesthesia . Local anesthesia ... : Medication injected along a nerve pathway to deaden pain . reaction to anesthesia Excessive loss of blood Infection Additional risks ...

Autonomic hyperreflexia

... Autonomic hyperreflexia Definition: Autonomic hyperreflexia is a reaction of the autonomic (involuntary) nervous system to over-stimulation. Autonomic hyperreflexia is a reaction of the autonomic (involuntary) nervous system to over-stimulation. This ...

Bee stings

... Snakebite s 2. If you've ever developed hives or another unusual reaction to a bee sting, what should you do first if you've been stung? Bee ... UK every year. In this article ... Death resulting from an allergic reaction is very rare. Most reactions can be controlled with medication. Be sure to ...

Blister

... serum , the liquid component of blood . Blister s can form as a reaction to trauma to the skin or certain skin diseases , which may include ... most of these side effects are temporary. A severe allergic drug reaction characterized by blister s breaking out on the lining of the mouth, ...

Blood typing

... who shared a blood supply in the uterus . Blood Transfusion reaction ( Transfusion reaction ) Blood Typing Blood Urea Nitrogen ( BUN ) Blood -Drawing ( ...

Candida

... PPD (R Arm) and Candida (L) The right arm represents a positive reaction to PPD (a skin test for tuberculosis protein ). The left arm represents a positive reaction to Candida protein . Candida vulvovaginitis also has been called ...

Chemical burn

... chemical burn s the skin , follow these steps: ... Chemical burn or reaction Definition: Chemicals that touch skin can cause a limited skin reaction, an overall body reaction, or both. Chemical Burn or reaction Childbirth - Emergency Delivery Choking - Adult or Child Over 1 Year ...

Consciousness

... Injury in Males Herniated Disk ( Ruptured Disk ) Induced Sensitivity reaction ( Allergic Reactions ) ... A drug that reduces pain ( pain ... nor do I think that chemical analgesia, anesthesia , ... An allergic reaction may cause trouble breathing , a drop in blood pressure , loss of ...

Contrast medium

... into your vein . Tell your doctor if you have ever had an allergic reaction to this sort of dye or if you have any allergies to medicines. There is a chance of a reaction to the contrast medium . There is some risk of the catheter dam aging ...
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