Search Results 31-40 of 15237 for Histamine

  1. Hay fever - Diagnosis and treatment - Mayo Clinic

    A symptom-causing chemical, called histamine, is released by the immune system during an allergic reaction. Antihistamines work by blocking histamine. These ...

  2. Antihistamine (Oral Route, Parenteral Route, Rectal Route) Proper Use - Mayo Clinic

    For patients taking dimenhydrinate or diphenhydramine for motion sickness: Take this medicine at least 30 minutes or, even better, 1 to 2 hours before you ...

  3. Systemic mastocytosis - Symptoms and causes - Mayo Clinic

    Too many mast cells are produced and build up in tissues and body organs, releasing substances such as histamine, leukotrienes and cytokines that cause ...

  4. Azelastine And Fluticasone (Nasal Route) Description and Brand Names - Mayo Clinic

    Histamine can cause itching, sneezing, runny nose, and watery eyes. Fluticasone is a steroid (cortisone-like medicine). It works by preventing the inflammation ...

  5. C. Diff Infection Risk Rises with Antihistamine Use to Treat Stomach Acid, Mayo Clinic Finds

    The study focused on histamine 2 receptor antagonists. The researchers found no significant risk for people taking over-the-counter antihistamine drugs ...

  6. Egg allergy - Symptoms & causes - Mayo Clinic

    When you or your child comes in contact with egg proteins, immune system cells (antibodies) recognize them and signal the immune system to release histamine and ...

  7. Cetirizine (Intravenous Route) Description and Brand Names - Mayo Clinic

    Histamine can cause itching, sneezing, runny nose, and watery eyes. It can close up the bronchial tubes (air passages of the lungs) and make breathing difficult ...

  8. Promethazine (Injection Route, Intravenous Route) Description and Brand Names - Mayo Clinic

    Histamine can cause itching, sneezing, runny nose, and watery eyes. It can sometimes close up the bronchial tubes (air passages of the lungs) and make breathing ...

  9. Codeine, Phenylephrine, And Promethazine (Oral Route) Description and Brand Names - Mayo Clinic

    Histamine can cause itching, sneezing, runny nose, and watery eyes. It can sometimes close up the bronchial tubes (air passages of the lungs) and make breathing ...

  10. Olopatadine And Mometasone (Nasal Route) Description and Brand Names - Mayo Clinic

    Histamine can cause itching, sneezing, runny nose, and watery eyes. Mometasone belongs to the family of medicines known as corticosteroids (cortisone-like ...