That misnomer comes from a long-gone era when symptoms would strike during hay harvests in late summer and early fall, before medical professionals knew what allergies were.
Think you might have seasonal allergies? See how your symptoms match up against these four big signs. If you think of sneezing, wheezing and watery eyes when you think of seasonal allergies, you'd be on the right track. There's a good chance you have seasonal allergies if you experience any of the following symptoms :.
Most seasonal allergies are caused by pollen from trees, grasses and weeds. If you have winter allergies, you're probably allergic to an indoor allergen like dust mites. The symptoms above are extremely common, but your allergies might show up in a different way. These less common, but still bona fide, symptoms may indicate seasonal allergies:. Colds and allergies share many of the same symptoms, so it can be tough to tell which one you're going through.
Because they share symptoms -- such as coughing and congestion -- it's helpful to consider the symptoms that these two conditions don't share. If you're experiencing any of these symptoms , there's a good chance you have a cold:. Another way to tell the difference between a cold and allergies is the duration of your symptoms. Colds usually go away on their own in seven to 10 days, whereas allergies persist until they're treated or until the trigger is gone -- which can take months depending on what you are allergic to.
If you know you're allergic to pollen, you can try an app like Zyrtec AllergyCast to check the pollen counts and see if it's a good idea or not to go outside. Your doctor will help you decide if it is safe for you to get vaccinated. CDC recommends that people get vaccinated even if they have a history of severe allergic reactions not related to vaccines or injectable medications—such as food, pet, venom, environmental, or latex allergies. People with a history of allergies to oral medications or a family history of severe allergic reactions may also get vaccinated.
Skip directly to site content Skip directly to page options Skip directly to A-Z link. Section Navigation. Important update: Healthcare facilities. You might see a doctor if you have symptoms you think are caused by an allergy, and over-the-counter allergy medications don't provide enough relief. If you have symptoms after starting a new medication, call the doctor who prescribed it right away.
For a severe allergic reaction anaphylaxis , call or your local emergency number or seek emergency medical help. If you carry an epinephrine auto-injector Auvi-Q, EpiPen, others , give yourself a shot right away. Even if your symptoms improve after an epinephrine injection, you should go to the emergency department to make sure symptoms don't return when the effects of the injection wear off.
If you've had a severe allergy attack or any signs and symptoms of anaphylaxis in the past, make an appointment to see your doctor. Evaluation, diagnosis and long-term management of anaphylaxis are complicated, so you'll probably need to see a doctor who specializes in allergies and immunology. An allergy starts when your immune system mistakes a normally harmless substance for a dangerous invader. The immune system then produces antibodies that remain on the alert for that particular allergen.
When you're exposed to the allergen again, these antibodies can release a number of immune system chemicals, such as histamine, that cause allergy symptoms. Preventing allergic reactions depends on the type of allergy you have.
General measures include the following:. Mayo Clinic does not endorse companies or products. Mayo Clinic is a nonprofit organization and proceeds from Web advertising help support our mission.
Mayo Clinic does not endorse any of the third party products and services advertised. A single copy of these materials may be reprinted for noncommercial personal use only. This content does not have an English version. This content does not have an Arabic version. See more conditions. Request Appointment. Food allergy: Can it develop later in life?
Products and services. Can adults develop a food allergy? Thank you for Subscribing Our Housecall e-newsletter will keep you up-to-date on the latest health information. Please try again. Something went wrong on our side, please try again. Show references Guidelines for the diagnosis and management of food allergy in the United States: Summary for patients, families and caregivers.
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