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What is a medical specialty that treats abnormal responses to acquired hypersensitivity to substances with medical methods including testing and desensitization?
Allergy and immunology allergist treats abnormal responses or acquired hypersensitivity to substances with medical methods including testing and desensitization.
What is the term also known as hypersensitivity?
Hypersensitivity (also called hypersensitivity reaction) refers to undesirable reactions produced by the normal immune system, including allergies and autoimmunity. These reactions may be damaging, uncomfortable, or occasionally fatal. Hypersensitivity reactions require a pre-sensitized (immune) state of the host. The four-group classification was expounded by P. H. G. Gell and Robin Coombs in 1963. (Wikipedia)
What causes hypersensitivity?
Hypersensitivity is caused by an exaggerated immune response to a harmless substance, which can be triggered by various factors including genetic predisposition, environmental exposures, and the nature of the allergen itself. The immune system mistakenly identifies these substances as threats, leading to an overproduction of antibodies, particularly Immunoglobulin E (IgE). This response results in inflammation and tissue damage, manifesting as allergic reactions or autoimmune diseases. Common triggers include pollen, certain foods, medications, and insect stings.
What is Hypersensitivity to common substance?
Hypersensitivity to common substances, such as dust, pollen, or certain foods, occurs when the immune system overreacts to these substances, triggering an allergic reaction. Symptoms can range from mild to severe, including sneezing, itching, hives, or even anaphylaxis in extreme cases. Managing hypersensitivity typically involves avoiding the trigger and may include medications or allergy shots.
What does mild chronic inflammation in lamina propria means?
Mild chronic inflammation in the lamina propria refers to a persistent inflammatory response occurring in the connective tissue layer beneath the epithelial lining of organs, such as the gastrointestinal tract. This condition can be indicative of various underlying issues, including infections, autoimmune disorders, or irritants like allergens or toxins. The inflammation is characterized by the presence of immune cells and can lead to tissue changes over time if not addressed. While "mild" suggests that the inflammation is not severe, it may still require monitoring and potential management, depending on the context and symptoms.
What is the difference in function between basophils and eosinophils?
Both basophils and eosinophils are types of white blood cells involved in the immune response. Basophils release histamine and heparin to promote inflammation and help fight parasitic infections. Eosinophils primarily target parasites and allergens by releasing toxins and enzymes to kill them.
What is the main cause of hay fever symptoms, including fever?
The main cause of hay fever symptoms, including fever, is the body's immune response to allergens such as pollen. When these allergens are inhaled, the immune system overreacts and releases chemicals that lead to symptoms like sneezing, runny nose, and fever.
What body system does dermatitis effect?
Dermatitis primarily affects the integumentary system, which includes the skin, hair, and nails. It is characterized by inflammation of the skin, leading to symptoms like redness, itching, and rashes. This condition can result from various factors, including allergens, irritants, or underlying health issues, impacting the skin's barrier function and overall health.
What is Roderick's weakness in the fall house of usher?
Roderick's weakness in "The Fall of the House of Usher" is his extreme hypersensitivity to his physical senses, including sound, light, and touch, which make him increasingly susceptible to mental and emotional distress. This hypersensitivity eventually leads to his mental breakdown and physical demise.
What causes friable mucosn of the airway?
Friable mucosa of the airway can be caused by a variety of conditions, including chronic inflammation, infections, and irritants. Conditions such as asthma, chronic obstructive pulmonary disease (COPD), and allergic reactions can lead to increased mucus production and inflammation, resulting in friable tissue. Additionally, exposure to tobacco smoke, pollutants, or allergens can damage the airway lining, making it more susceptible to injury. This fragility can increase the risk of bleeding and complications during procedures like intubation or bronchoscopy.
How do you get a croaky throat?
A croaky throat can result from several factors, including vocal strain from overuse, dehydration, or exposure to irritants like smoke or allergens. Infections, such as a cold or laryngitis, can also lead to inflammation and hoarseness. Additionally, allergies or acid reflux might contribute to throat irritation, resulting in a croaky voice. Staying hydrated and resting your voice can help alleviate the symptoms.
When you cough up phlegm where is it coming from?
When you cough up phlegm, it originates from the respiratory system, specifically the mucus membranes of the airways, including the bronchi and trachea. Phlegm is produced by these membranes in response to irritation, infection, or inflammation, helping to trap and expel pathogens, allergens, and other debris. The coughing reflex helps clear the airways, making it easier to breathe and reducing the risk of infection.
