Some Lesser Known Allergy Symptoms | Open


Allergy symptoms are the result of a person’s immune system overreacting to something that is harmless to most people, but that triggers a reaction in people who are sensitive to the trigger. Some symptoms of allergic reactions, such as sneezing, are well known. But people may be surprised to discover some of the other common allergy symptoms.

According to the American College of Allergy, Asthma, and Immunology, a multitude of physical symptoms are indicative of allergic reactions.

Wheezing, shortness of breath

The ACAAI says wheezing or shortness of breath are telltale signs of asthma, but notes that such symptoms can also indicate an allergic reaction. The ACAAI recommends that people see an allergist if they develop unexplained wheezing that keeps coming back or if the wheezing occurs alongside symptoms like rapid breathing or difficulty breathing. Wheezing that occurs after a person has been bitten by an insect, takes medicine, or has eaten something to which they are allergic is symptomatic of an allergic reaction and requires immediate medical attention.


The onset of a dry, persistent cough may indicate an allergy. Coughs are often a byproduct of a cold or the flu, but these coughs tend to subside after a few days. Chronic dry coughs that persist for more than three weeks may indicate the presence of an allergy. Allergic coughs may be more common at certain times of the year or in certain environments. The ACAAI notes that chronic dry cough has been linked to allergies such as hay fever and may indicate an allergy to animal dander, dust, pollen, or mold.


Although not many people associate headaches with allergies, some headaches can be related to allergies. According to the ACAAI, sinus headaches and migraines have been linked to allergies. Sinus headaches can be characterized by localized pain in the sinuses and / or pain in the face which may or may not be accompanied by a headache. A stabbing pain on one side of the head indicates a migraine, the symptoms of which may worsen when exposed to light. Among the most painful allergic symptoms, headaches should be discussed with an allergist.

Nausea and vomiting

Nausea and vomiting can be a byproduct of food allergies. Seasonal allergies rarely, if ever, cause nausea or vomiting. However, when a person eats a food to which they are allergic, the immune system responds to that allergy the same way it does to allergies like hay fever, releasing a chemical called histamine. When a person suffers from seasonal allergies, the histamine their body releases can cause sneezing, runny nose, or other symptoms commonly associated with such allergies. But when histamine is released to fight food allergies, it can cause nausea and vomiting.

Allergies affect people in all corners of the globe. Recognizing the symptoms of allergies can help people fight them more effectively.

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