Search Results 21-30 of 16271 for Histamine

  1. Acrivastine and pseudoephedrine (oral route) - Mayo Clinic

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

  2. 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 ...

  3. 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 ...

  4. Alcohol intolerance - Symptoms & causes - Mayo Clinic

    Histamine, a byproduct of fermentation or brewing. In some cases, reactions can be triggered by a true allergy to a grain such as corn, wheat or rye or to ...

  5. 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.

  6. Meperidine and promethazine (injection 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 ...

  7. 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 ...

  8. 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 ...

  9. Codeine, phenylephrine, and promethazine (oral 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 ...

  10. Mast Cells in Eosinophilic Esophagitis - Clinical Trials

    Histamine mediators, including serum tryptase and 24 hour urine beta-prostaglandin, N-methylhistamine, and leukotriene E4, will be obtained close to the ...