
Allergies - Symptoms and causes - Mayo Clinic
Aug 24, 2024 · 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 …
Allergies - Diagnosis and treatment - Mayo Clinic
Aug 24, 2024 · 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 medications: Know your options - Mayo Clinic
Mar 28, 2025 · Allergy medicines are available as pills, liquids, inhalers, nasal sprays, eye drops, skin creams and shots, also called injections. Many allergy medicines are available without a prescription. …
Anaphylaxis - Symptoms & causes - Mayo Clinic
Apr 16, 2025 · Anaphylaxis is a severe, potentially life-threatening allergic reaction. It can occur within seconds or minutes of exposure to something you're allergic to, such as peanuts or bee stings. …
Allergy skin tests - Mayo Clinic
Mar 26, 2024 · Overview During allergy skin tests, the skin is exposed to suspected allergy-causing substances, called allergens, and then checked for signs of an allergic reaction. Along with a medical …
Shellfish allergy - Diagnosis and treatment - Mayo Clinic
Jul 2, 2024 · To find out if you have shellfish allergy, your health care provider will ask about your symptoms and do a physical exam to find or rule out other medical problems. A history of allergic …
Allergies and asthma: They often occur together - Mayo Clinic
Feb 4, 2025 · 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 …
Penicillin allergy - Symptoms & causes - Mayo Clinic
Sep 20, 2025 · Penicillin allergy is a reaction of the immune system to the antibiotic medicine penicillin. Penicillin is used to treat bacterial infections. Penicillin allergy may cause hives, rash and itching. A …
Peanut allergy - Diagnosis and treatment - Mayo Clinic
Mar 25, 2025 · Peanut allergy can be serious. Find out what you need to know to prevent a life-threatening reaction and get the latest on treatment approaches.
Sulfa allergy: Which medications should I avoid? - Mayo Clinic
Oct 6, 2023 · Sulfa allergy: A Mayo Clinic expert discusses which medications are likely to cause problems.