Search Results 31-40 of 14525 for Histamine

  1. 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 ...

  2. Mayo Clinic Q and A: Is it allergies or a sinus infection?

    This reaction happens when the immune system releases certain substances, such as histamine, into the bloodstream. This leads to allergy symptoms, which may ...

  3. Chronic hives - Symptoms and causes - Mayo Clinic

    The welts that come with hives are caused by the release of immune system chemicals, such as histamine, into your bloodstream. It's often not known why ...

  4. Olopatadine (nasal route) - Mayo Clinic

    Olopatadine will also block the effects of histamine, which prevents the allergic symptoms. This medicine is available only with your doctor's prescription.

  5. Promethazine (rectal route) - 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 ...

  6. Triprolidine, pseudoephedrine, and codeine (oral route) - Side effects & dosage - Mayo Clinic

    Histamine can cause itching, sneezing, runny nose, and watery eyes. Pseudoephedrine is a decongestant, which decreases nasal congestion by narrowing the blood ...

  7. Latex allergy - Symptoms and causes - Mayo Clinic

    The next time there is a latex exposure, these antibodies tell the immune system to release histamine and other chemicals into the bloodstream. This process ...

  8. Over-the-counter Allergy Medication a Safe First Step for Children with Symptoms

    Antihistamine drugs decrease allergy symptoms of the nose and eyes by blocking the effects of histamine. Over-the-counter antihistamine pills appropriate for a ...

  9. Famotidine (oral route) - Side effects & dosage - Mayo Clinic

    Famotidine belongs to the group of medicines known as histamine H2-receptor antagonists or H2-blockers. It works by decreasing the amount of acid produced ...

  10. Cold urticaria - Symptoms & causes - Mayo Clinic

    In the most common forms of this condition, cold causes the release of histamine and other chemicals into the blood. These chemicals cause itching, and they ...