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
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 before you settle for plastic flowers and artificial turf, try these simple strategies to keep
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
Pet allergy - Symptoms causes - Mayo Clinic Skin symptoms Some people with pet allergy also may have skin symptoms, a pattern known as allergic dermatitis This type of dermatitis is an immune system reaction that causes skin swelling and irritation Direct contact with an allergy-causing pet may trigger allergic dermatitis, causing symptoms, such as: Raised, discolored patches of skin called hives Eczema Itchy skin
Hay fever - Symptoms and causes - Mayo Clinic Overview Hay fever, also called allergic rhinitis, causes cold-like symptoms These may include a runny nose, itchy eyes, congestion, sneezing and sinus pressure But unlike a cold, hay fever isn't caused by a virus Hay fever is caused by an allergic response to a harmless outdoor or indoor substance the body identifies as harmful (allergen)
Food allergy - Symptoms and causes - Mayo Clinic Overview Food allergy is an immune system reaction that happens soon after eating a certain food Even a tiny amount of the allergy-causing food can trigger symptoms such as hives, swollen airways and digestive problems In some people, a food allergy can cause severe symptoms or even a life-threatening reaction known as anaphylaxis
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
Allergy-proof your home - Mayo Clinic Allergy-proof your home Don't let pet, dust, mold or pollen allergies make you miserable in your own home Room by room, you can take these steps to have an allergen-free abode