Search Results 11-20 of 17562 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. Cetirizine and pseudoephedrine (oral route) - Side effects & dosage - Mayo Clinic

    Histamine can cause itching, sneezing, runny nose, and watery eyes. Decongestants produce a narrowing of blood vessels. This leads to clearing of nasal ...

  3. Histamine is a chemical released by the immune system that causes the symptoms of an allergic reaction. Nasal sprays. Antihistamine nasal sprays help relieve ...

  4. Azelastine (nasal route) - Side effects & dosage - Mayo Clinic

    Histamine can cause itching, sneezing, runny nose, and watery eyes. This medicine is available only with your doctor's prescription. This product is available ...

  5. Promethazine (injection route, intravenous 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. Mayo Clinic Q and A: All about food allergies and intolerances

    The immunoglobulin antibodies tell your immune system to release a chemical called histamine, which causes many allergic symptoms, such as itching, swelling, ...

  7. Allergy skin tests - Mayo Clinic

    Histamine. In most people, this substance causes a skin response. If you don't react to histamine, your allergy skin test may not reveal an allergy even if ...

  8. Allergy medications: Know your options - Mayo Clinic

    Histamine is a chemical released by the immune system that causes the symptoms of an allergic reaction. Nasal sprays. Antihistamine nasal sprays help relieve ...

  9. Olopatadine and mometasone (nasal route) - Side effects & dosage - Mayo Clinic

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

  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 ...