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, …
Respiratory syncytial virus vaccine (intramuscular route)
Aug 1, 2025 · This vaccine may cause serious allergic reactions, including anaphylaxis, which can be life-threatening and require immediate medical attention. Tell your doctor right away if you …
Penicillin allergy - Diagnosis & treatment - Mayo Clinic
Sep 20, 2025 · Understand the importance of an accurate diagnosis for this type of allergy and the best practices for antibiotic treatment.
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 …
Sulfamethoxazole and trimethoprim (oral route)
Jan 1, 2026 · This medicine may cause serious allergic reactions, including anaphylaxis, which can be life-threatening and require immediate medical attention. Check with your doctor right …
Meningococcal vaccine (intramuscular route) - Mayo Clinic
Apr 1, 2025 · This vaccine may cause serious allergic reactions, including anaphylaxis, which can be life-threatening and require immediate medical attention. Tell your doctor right away if you …
Dupilumab (subcutaneous route) - Side effects & dosage
Sep 1, 2025 · This medicine may cause serious allergic reactions, including anaphylaxis, generalized urticaria, angioedema, or serum sickness, which can be life-threatening and …
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, …
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 …
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 …