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, treatments can …
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 have a …
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 drug allergy is …
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 (Streptococcus …
Lisinopril (oral route) - Side effects & dosage - Mayo Clinic
Dec 1, 2025 · This medicine may cause serious types of allergic reactions, including anaphylaxis. Anaphylaxis can be life-threatening and requires immediate medical attention.
Dexamethasone (oral route) - Side effects & dosage - Mayo Clinic
Description Dexamethasone provides relief for inflamed areas of the body. It is used to treat a number of different conditions, such as inflammation (swelling), severe allergies, adrenal problems, arthritis, …
Shellfish allergy - Symptoms and causes - Mayo Clinic
Jul 2, 2024 · Reactions range from mild symptoms — such as hives or a stuffy nose — to severe and even life-threatening. If you think you have shellfish allergy, talk to your health care provider. Tests …
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. …
Propranolol (oral route) - Side effects & dosage - Mayo Clinic
Nov 1, 2025 · Serious skin reactions can occur with this medicine. Check with your doctor right away if you have blistering, peeling, or loose skin, red skin lesions, severe acne or skin rash, sores or ulcers …
Pneumococcal 21-valent conjugate vaccine (intramuscular route)
Sep 1, 2025 · Description Pneumococcal 21-valent conjugate vaccine is an active immunizing agent used to prevent infection caused by certain types of pneumococcal bacteria (Streptococcus …