Allergies, being that they often occur instantaneously with little reaction time, can be very serious or even fatal. Persons who experience indications of unease in the vicinity of an allergen often get allergic reactions. Well known allergens are dogs, cats, bee stings, dust, dust mites, trees, weeds, molds, and foods, such as nuts, strawberries, and shellfish, that result in reactions like skin rashes, hives, itching, sneezing, or watery eyes within a short while of exposure. Respiratory seizures, wheezing, nausea or vomiting, pains in the chest and abdomen, tongue swelling, and even unconsciousness are more violent possible reactions. Immediate treatment is necessary in the case of even more violent reactions that involve anaphylaxis or else the victim can die or go into shock. Although some reactions can take place instantly, others can take a few hours, while some may only happen a whole day after exposure. Repeated exposures to allergens often result eventually in more severe allergic reactions, each time requiring less and less exposure. Antihistamines like Benadryl, or some decongestants, help to relieve reactions to environmental and pet allergies, where some people may actually go as far as getting immunotherapy and treatment for asthma. As much as possible, allergy inducing agents like shellfish, poison ivy and peanuts, not to mention bee stings must be steered clear of as they result in extreme reactions on exposure. Experiences of severe allergic reactions have prompted some adults and children to carry an Epi-Pen in preparation for any accidental exposure. Ready for emergency administration, Epi-Pens contain epinephrine in a pre-filled syringe. This is used by injecting it into any large muscle in the body after pulling off the needle guard. There is no need to take off any clothing since the Epi-Pen can be administered through clothes. Constantly checking on a person who has had an allergic reaction is necessary. After using the Epi-Pen, if the person does not show signs of getting better, urgent treatment must be sought.
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