Allergies - Symptoms and causes - Mayo Clinic Symptoms Allergy symptoms depend on what allergen is involved The symptoms can affect the airways, sinuses and nasal passages, skin, and digestive system Allergic reactions can range from mild to severe Sometimes, allergies can trigger a life-threatening reaction known as anaphylaxis Hay fever, also called allergic rhinitis, can cause
Food allergy - Symptoms and causes - Mayo Clinic For people with food allergies, symptoms can range from annoying to life-threatening Learn about diagnosis and treatment of this common immune reaction
Allergies - Diagnosis and treatment - Mayo Clinic For symptoms that could be caused by an allergy, see your main healthcare professional You might be referred to a doctor called an allergist who treats allergies What you can do Ask if you should stop taking allergy medicines before your appointment, and for how long For example, antihistamines can affect the results of an allergy skin test
Mold allergy - Symptoms causes - Mayo Clinic A mold allergy causes the same symptoms that happen in other types of upper respiratory allergies, such as hay fever Symptoms caused by a mold allergy can include: Sneezing Runny or stuffy nose Cough and postnasal drip Itchy eyes, nose and throat Watery eyes Dry, itchy skin Mold allergy symptoms vary from person to person and range from mild to severe You might have year-round symptoms
Hay fever - Symptoms and causes - Mayo Clinic Hay fever triggers Your hay fever symptoms may occur year-round or may start or worsen at a particular time of year These are known as seasonal allergies Hay fever triggers include: Tree pollen, which is common in early spring Grass pollen, which is common in late spring and summer Ragweed pollen, which is common in fall
Alpha-gal syndrome - Symptoms and causes - Mayo Clinic Alpha-gal syndrome causes mild to intense allergies to red meat, such as beef, pork or lamb It also can cause reactions to other foods that come from mammals, such as dairy products or gelatin Some people may have alpha-gal syndrome and not know it There are people who have serious allergic reactions, called anaphylactic reactions, for no known reason Because the reactions can be delayed
Asthma - Symptoms and causes - Mayo Clinic Asthma can't be cured, but its symptoms can be controlled Because asthma often changes over time, it's important that you work with your doctor to track your signs and symptoms and adjust your treatment as needed
Seasonal allergies: Nip them in the bud - Mayo Clinic Spring means flower buds and blooming trees — and if you're one of the millions of people who have seasonal allergies, it also means sneezing, congestion, a runny nose and other bothersome symptoms Seasonal allergies — also called hay fever and allergic rhinitis — can make you miserable But
Anaphylaxis - Symptoms causes - Mayo Clinic Anaphylaxis symptoms usually occur within minutes of exposure to an allergen Sometimes, however, anaphylaxis can occur a half-hour or longer after exposure In rare cases, anaphylaxis may be delayed for hours Signs and symptoms include: Skin reactions, including hives and itching and flushed or pale skin Low blood pressure (hypotension) Constriction of the airways and a swollen tongue or