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 …
Meningococcal vaccine (intramuscular route)
Apr 1, 2025 · Description Meningococcal vaccine is an active immunizing agent used to prevent infection caused by certain groups (A, B, C, W, and Y) of meningococcal bacteria (Neisseria meningitides). …
Sars-cov-2 (covid-19) vaccine, mrna (moderna) (intramuscular route)
Oct 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 …
Epinephrine (nasal route) - Side effects & dosage - Mayo Clinic
Sep 1, 2025 · Epinephrine nasal spray is used for emergency treatment of severe allergic reactions, including anaphylaxis. This medicine is available only with your doctor's prescription.
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.
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 …
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.
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 …
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, mushrooms and …