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 …
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 …
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, …
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 …
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, …
Blood transfusion - Mayo Clinic
Jun 21, 2025 · Overview A blood transfusion is a common procedure for receiving donated blood or components of blood. The blood is delivered through a narrow tube placed within a vein. A …
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 …
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.
Mold allergy - Symptoms & causes - Mayo Clinic
Aug 11, 2025 · In some people, a mold allergy is linked to asthma. If mold allergy is linked to asthma, mold exposure can cause restricted breathing and other airway symptoms. If you …
Lisinopril (oral route) - Side effects & dosage - Mayo Clinic
Oct 1, 2025 · This medicine may cause serious types of allergic reactions, including anaphylaxis. Anaphylaxis can be life-threatening and requires immediate medical attention.