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  2. Allergic rhinitis - Wikipedia

    en.wikipedia.org/wiki/Allergic_rhinitis

    Allergic rhinitis, of which the seasonal type is called hay fever, is a type of inflammation in the nose that occurs when the immune system overreacts to allergens in the air. [ 6 ] Signs and symptoms include a runny or stuffy nose, sneezing, red, itchy, and watery eyes, and swelling around the eyes. [ 1 ] The fluid from the nose is usually ...

  3. Oral allergy syndrome - Wikipedia

    en.wikipedia.org/wiki/Oral_allergy_syndrome

    Specialty. Immunology. Oral allergy syndrome (OAS) or pollen-food allergy syndrome (PFAS) is a type of allergy classified by a cluster of allergic reactions in the mouth and throat in response to eating certain (usually fresh) fruits, nuts, and vegetables. It typically develops in adults with hay fever. [1]

  4. Hypotension - Wikipedia

    en.wikipedia.org/wiki/Hypotension

    Hypotension, also known as low blood pressure, is a cardiovascular condition characterized by abnormally reduced blood pressure. [1] Blood pressure is the force of blood pushing against the walls of the arteries as the heart pumps out blood [2] and is indicated by two numbers, the systolic blood pressure (the top number) and the diastolic blood pressure (the bottom number), which are the ...

  5. Anaphylaxis - Wikipedia

    en.wikipedia.org/wiki/Anaphylaxis

    Anaphylaxis. Anaphylaxis (Greek: ana- 'up' + phylaxis 'guarding') is a serious, potentially fatal allergic reaction and medical emergency that is rapid in onset and requires immediate medical attention regardless of the use of emergency medication on site. [4][5] It typically causes more than one of the following: an itchy rash, throat closing ...

  6. Vertigo - Wikipedia

    en.wikipedia.org/wiki/Vertigo

    Vertigo. Vertigo is a condition in which a person has the sensation that they are moving, or that objects around them are moving, when they are not. [1] Often it feels like a spinning or swaying movement. [1][2] It may be associated with nausea, vomiting, perspiration, or difficulties walking. [2] It is typically worse when the head is moved. [2]

  7. Otitis externa - Wikipedia

    en.wikipedia.org/wiki/Otitis_externa

    Otitis externa, also called swimmer's ear, [1] is inflammation of the ear canal. [2] It often presents with ear pain, swelling of the ear canal, and occasionally decreased hearing. [2] Typically there is pain with movement of the outer ear. [3] A high fever is typically not present except in severe cases.

  8. Cyproheptadine - Wikipedia

    en.wikipedia.org/wiki/Cyproheptadine

    Cyproheptadine is used to treat allergic reactions (specifically hay fever). [8] There is evidence supporting its use for allergies, but second generation antihistamines such as ketotifen and loratadine have shown equal results with fewer side effects. [9] It is also used as a preventive treatment against migraine. In a 2013 study the frequency ...

  9. Farmer's lung - Wikipedia

    en.wikipedia.org/wiki/Farmer's_lung

    Farmer's lung occurs because repeated exposure to antigens, found in the mold spores of hay, crops, and animal feed, triggers an allergic reaction within the farmer's immune system. [5] The defense mechanisms of the body present as cold and flu-like symptoms that occur in individuals who experience either acute or chronic reactions.