Search Results 61-70 of 14465 for Histamine

  1. Mayo Clinic Q and A: Testing for food allergies and sensitivities

    The allergy cell releases chemicals, namely histamine, that causes a reaction — typically within a few minutes. Though rare, there is the possibility of a ...

  2. Mayo Clinic Minute: Is it a cold or allergies?

    Pollen, mold spores and pet dander all can be triggers. "It's our reaction to that allergen that then triggers the release of histamine and other mediators that ...

  3. Codeine, phenylephrine, and promethazine (oral route) - Side effects & dosage - 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 ...

  4. Gastritis - Diagnosis and treatment - Mayo Clinic

    Acid blockers, also called histamine blockers, reduce the amount of acid released into your digestive tract. Reducing acid relieves gastritis pain and ...

  5. Mayo Clinic Q and A: A pet allergy doesn't mean you have to live without furry family members

    For example, antihistamines ease itching, sneezing and runny nose by reducing the production of an immune system chemical, called “histamine,” that is active in ...

  6. Allergies and asthma: They often occur together - Mayo Clinic

    The next time you come across that allergen, the IgE antibodies sense it. They signal your immune system to release histamine and other chemicals into your ...

  7. Mayo Clinic Q and A: OTC Allergy Medications May Not Be Best Treatment Option

    This blocks histamine — a key molecule in allergic inflammation — from binding to its receptor on the cells. If you choose a nonprescription antihistamine ...

  8. A Study to Evaluate the Effectiveness of Antihistamines in the Treatment of Eosinophilic Esophagitis - Mayo Clinic

    Patients with known allergies or hypersensitivity to anti-histamines. Patients who have contraindications to the procurement of biopsies including patients ...

  9. Bee sting - Diagnosis and treatment - Mayo Clinic

    Learn about symptoms, treatment, self-care tips and prevention of bee stings, which in some people cause severe allergic reaction.

  10. Mayo Clinic Q and A: Chronic Hives Come and Go With No Clear Pattern

    Medications such as corticosteroids or histamine (H2) blockers also are possibilities. If antihistamines don't control the hives, your doctor may prescribe ...