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
Allergies - Diagnosis and treatment - Mayo Clinic Treatment Allergy treatments include: Staying away from allergy triggers, also known as avoidance Your healthcare professional helps you take steps to spot and stay away from your allergy triggers Often, this is the most important step in preventing allergic reactions and curbing symptoms Medicines Depending on your allergy, medicines can help turn down your immune system's reaction and
Celiac disease - Symptoms and causes - Mayo Clinic The intestinal damage often causes symptoms such as diarrhea, fatigue, weight loss, bloating or anemia It also can lead to serious complications if it is not managed or treated In children, malabsorption can affect growth and development in addition to gastrointestinal symptoms There's no definite cure for celiac disease But for most people, following a strict gluten-free diet can help
Food allergy - Symptoms and causes - Mayo Clinic Symptoms are typically triggered by eating these foods when they're fresh and uncooked However, when these foods are cooked, symptoms may be less severe The following table shows the specific fruits, vegetables, nuts and spices that can cause pollen-food allergy syndrome in people who are allergic to different pollens
Alpha-gal syndrome - Symptoms and causes - Mayo Clinic Symptoms An alpha-gal allergic reaction often starts about 2 to 6 hours after you eat something with the alpha-gal molecule Symptoms may be mild or lead to serious illness, and include: Hives and itching Swelling of the lips, face, throat or eyelids Wheezing or shortness of breath Stomach pain, diarrhea, nausea or vomiting Symptoms of alpha-gal syndrome may lessen or go away over time
Cold or allergy: Which is it? - Mayo Clinic You can tell the difference between a cold and a seasonal allergy by key symptoms and how regularly symptoms appear Colds are caused by your immune system's response when you catch a virus Seasonal allergies are triggered by your immune system's response to allergens, such as pollen Some symptoms
Allergies and asthma: They often occur together - Mayo Clinic The same substances that trigger your hay fever symptoms may cause asthma symptoms These include pollen, dust mites and pet dander In some people, skin or food allergies can cause asthma symptoms This is called allergic asthma James T C Li, M D , Ph D , a Mayo Clinic allergy specialist, answers questions about the link between
Mold allergy - Symptoms causes - Mayo Clinic Causes Like any allergy, mold allergy symptoms are triggered by an overly sensitive immune system response When you inhale tiny airborne mold spores, your body recognizes them as foreign invaders and develops allergy-causing antibodies to fight them Exposure to mold spores can cause a reaction right away, or the reaction can be delayed
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)