
Drug allergy - Symptoms and causes - Mayo Clinic
Nov 9, 2024 · Overview A drug allergy is the reaction of the immune system to a medicine. Any medicine — over-the-counter, prescription or herbal — can trigger a drug allergy. However, a …
Allergies - Symptoms and causes - Mayo Clinic
Aug 24, 2024 · Allergic reactions vary from person to person. They can range from minor irritation to a life-threatening emergency called anaphylaxis. While most allergies can't be cured, …
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 …
Food allergy - Symptoms and causes - Mayo Clinic
Aug 30, 2024 · Food intolerance and other reactions A food intolerance or a reaction to another substance you ate may cause the same symptoms as a food allergy does — such as nausea, …
Bee sting - Symptoms and causes - Mayo Clinic
Oct 24, 2024 · Learn about symptoms, treatment, self-care tips and prevention of bee stings, which in some people cause severe allergic reaction.
Pneumococcal 20-valent conjugate vaccine (intramuscular route)
Mar 1, 2025 · Description Pneumococcal 20-valent conjugate vaccine is an active immunizing agent used to prevent infection caused by certain types of pneumococcal bacteria …
Get the facts about COVID-19 vaccines - Mayo Clinic
Oct 24, 2025 · Find out about the COVID-19 vaccines, the benefits of a COVID-19 vaccination, the possible side effects and how to prevent infection.
Sulfamethoxazole and trimethoprim (oral route) - Mayo Clinic
Nov 1, 2025 · This medicine may cause serious allergic reactions, including anaphylaxis, which can be life-threatening and require immediate medical attention. Check with your doctor right …
Alpha-gal syndrome - Symptoms and causes - Mayo Clinic
Aug 8, 2025 · 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 …
Monosodium glutamate, also called MSG: Is it harmful? - Mayo Clinic
Monosodium glutamate, also called MSG, is used to make food taste better. Glutamate is a form of the amino acid glutamic acid. Both are naturally in food such as cheese, tomatoes, …