Can knees swell with allergies

Quincke's edema is an acute allergic reaction,expressed in diffuse edema of the mucous membranes and subcutaneous fat. This allergy is lightning fast, it develops very quickly and is life-threatening condition. Most often, angioedema, or as it is called, angioedema or diffuse urticaria, occurs on the face, neck, on the palms and feet. In especially severe cases, puffiness may appear in the joints, internal organs and meninges.

A similar reaction of the organism may occur onany allergen: the introduction of a drug, vaccination, food (even the usual), on home and library dust, on pollen, on helminthic invasion and on ticks. And it does not matter at all, for the first time the allergen has got into the body or repeatedly - a feature of the allergy is that antibodies to the antigen can accumulate little by little and for a long time. When the antibody titer reaches a critical level, an allergic reaction begins.

Angioedema occurs suddenly -almost immediately after the ingestion of the allergen. Symptoms depend on where the swelling occurs. At the most widespread variant there is a feeling of discomfort in the field of the face, an itch and sensation of a compression in a skin. The face looks puffy at the same time, the neck seems very thick and shiny, the eye slits are sharply narrowed, the lips become very large and swollen. If you notice that the person on the face or neck has swelling, then you need to immediately call an ambulance. The fact is that the swelling can spread further and descend to the larynx. A laryngeal edema is very dangerous, because swollen vocal cords can completely close the respiratory throat.

If there is swelling of the face, then you need to listen toTo the sensations and to observe of signs. A very disturbing sign, if there is hoarse voice, sore throat and barking cough. Also, sudden headaches, abdominal pains and rezi on urination that appear against the background of an existing allergy or developed edema of the face are dangerous. These may be symptoms of diffuse hives of internal organs.

Any localization of the edema requires observationdoctor, so the emergency call is necessary - such a patient must stay in the hospital for at least one week, and ideally - until the swelling is completely removed in order to avoid relapse. To quickly arrest this life-threatening condition, use a combination of hormonal drugs: adrenaline and glucocorticosteroids. In addition to hormones, antiallergic drugs of strong action are used.

If one time there was a swelling of Quincke, then the medicineor the product that caused it must be permanently excluded from life. Also at hand always need to have antihistamines, so that the allergy is not caught off guard.