1. The two known histamine receptors had already inspired hugely successful drugs. 2. Histamine can cause hives, sneezing, watery eyes and itching.3. Extra vitamin C will help lower histamine levels in the blood. 4. The monoamine neurotransmitters norepinephrine, serotonin and histamine are completely unavailable. 5. Histamine ), among other metabolic, pharmacological and digestive abnormalities.6. Histamine is present only centrally, but its role is unclear.7. In general, the skin becomes inflammatory granules which contain histamine . 8. When the stomach pH increases, the ECLs stop releasing histamine . 9. Carbinoxamine is a histamine antagonist, specifically an H1-antagonist. 10. The antibodies will cause cells in the body to produce histamines .