Search Results 51-60 of 15255 for Histamine

  1. Desloratadine And Pseudoephedrine (Oral Route) Proper Use - 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 ...

  2. Allergy shots - Mayo Clinic

    Each allergy shot contains a tiny amount of the substance or substances that trigger allergic reactions. These substances are called allergens. Allergy shots ...

  3. Mold allergy - Diagnosis & treatment - Mayo Clinic

    They work by blocking histamine, an inflammatory chemical released by your immune system during an allergic reaction. Over-the-counter (OTC) antihistamines ...

  4. 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 ...

  5. Antihistamine, Decongestant, And Analgesic Combination (Oral Route) Description and Brand Names - Mayo Clinic

    They work by preventing the effects of a substance called histamine, which is produced by the body. Antihistamines contained in these combinations are ...

  6. Latex allergy - Symptoms and causes - Mayo Clinic

    The next time you're exposed to latex, these antibodies tell your immune system to release histamine and other chemicals into your bloodstream. This process ...

  7. Helicobacter pylori (H. pylori) infection - Diagnosis & treatment - Mayo Clinic

    Histamine (H-2) blockers. These medications block a substance called histamine, which triggers acid production. One example is cimetidine (Tagamet HB) ...

  8. Mayo Clinic Minute: Spring pollen and allergy tips

    When you're exposed to that allergen, it causes the release of histamine and these other mediators," says Dr. Bhasin. And that is when spring's unfurling ...

  9. 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 ...

  10. 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 ...