Allergies - Symptoms and causes - Mayo Clinic
2024年8月24日 · 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: Sneezing. Itching of the skin, nose, eyes or roof of the mouth.
Allergies - Diagnosis and treatment - Mayo Clinic
2024年8月24日 · 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 ease symptoms.
Anaphylaxis - Symptoms & causes - Mayo Clinic
2021年10月2日 · These chemicals are what cause the symptoms of an allergic reaction. Allergy symptoms usually aren’t life-threatening, but a severe reaction can lead to anaphylaxis. The most common triggers of anaphylaxis in children are food allergies like …
Food allergy - Symptoms and causes - Mayo Clinic
2024年8月30日 · Emphasize that an allergic reaction can be life-threatening and requires immediate action. Make sure that your child also knows to ask for help right away if your child reacts to food. Explain food allergy symptoms. Teach the adults who spend time with your child how to recognize signs and symptoms of an allergic reaction. Write an action plan.
Anaphylaxis - Diagnosis & treatment - Mayo Clinic
2021年10月2日 · Treatment. During an anaphylactic attack, you might receive cardiopulmonary resuscitation (CPR) if you stop breathing or your heart stops beating. You might also be given medications, including: Epinephrine (adrenaline) to reduce the body's allergic response. Oxygen, to help you breathe. Intravenous (IV) antihistamines and cortisone to reduce ...
Anaphylaxis: First aid - Mayo Clinic
2024年6月18日 · Symptoms. Symptoms of anaphylaxis include: Skin reactions, including hives, itching, and skin that becomes flushed or changes color. Swelling of the face, eyes, lips or throat. Narrowing of the airways, leading to wheezing and trouble breathing or swallowing. A weak and rapid pulse. Nausea, vomiting or diarrhea.
Contact dermatitis - Symptoms and causes - Mayo Clinic
2024年5月2日 · Contact dermatitis is caused by exposure to a substance that irritates your skin or triggers an allergic reaction. The substance could be one of thousands of known allergens and irritants. Often people have irritant and allergic reactions at the same time. Irritant contact dermatitis is the most common type. This nonallergic skin reaction ...
Peanut allergy - Symptoms and causes - Mayo Clinic
2024年8月20日 · An allergic response to peanuts usually occurs within minutes after exposure. Peanut allergy signs and symptoms can include: Skin reactions, such as hives, redness or swelling. Itching or tingling in or around the mouth and throat. Digestive problems, such as diarrhea, stomach cramps, nausea or vomiting. Tightening of the throat.
Bee sting - Diagnosis and treatment - Mayo Clinic
2024年10月24日 · For most bee stings, home treatment is enough. Multiple stings or an allergic reaction may be a medical emergency that needs treatment right away. Emergency treatment for allergic reactions. During an anaphylactic attack, an emergency medical team may perform cardiopulmonary resuscitation (CPR) if you stop breathing or your heart stops beating.
Bee sting - Symptoms and causes - Mayo Clinic
2024年10月24日 · This type of reaction is called anaphylaxis. A small percentage of people who are stung by a bee or other insect develop anaphylaxis. It usually happens 15 minutes to an hour after the sting. Symptoms include rash, itching, trouble breathing, swollen tongue, trouble swallowing and tightness in the chest. Multiple bee stings.