Search Results 21-30 of 16383 for Histamine

  1. 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 ...

  2. Alcohol intolerance - Symptoms & causes - Mayo Clinic

    Histamine, which is a byproduct of fermentation or brewing. In some people, a grain or another substance in alcoholic beverages can trigger a true allergic ...

  3. 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.

  4. Sleep aids: Could antihistamines help me sleep? - Mayo Clinic

    Is it OK to use over-the-counter antihistamines to treat insomnia? I'd like to avoid prescription sleep aids. Some antihistamine medicines available without a ...

  5. Meperidine and promethazine (injection route) - Side effects & uses - 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. Hydroxyzine (oral route) - Side effects & dosage - Mayo Clinic

    Hydroxyzine is an antihistamine. It works by preventing the effects of a substance called histamine, which is produced by the body. This medicine is available ...

  7. Chronic hives - Diagnosis and treatment - Mayo Clinic

    Learn how this long-lasting skin condition that causes painful, itchy, recurring welts is diagnosed and what treatments may offer relief.

  8. 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 ...

  9. 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 ...

  10. Desloratadine and pseudoephedrine (oral route) - Side effects & dosage - Mayo Clinic

    Histamine can cause itching, sneezing, runny nose, and watery eyes. The pseudoephedrine causes narrowing of blood vessels. This leads to clearing of nasal ...