Definition
Antihistamine herbs are those herbs which prevent or oppose the physiological effects of histamine production in allergic reactions and colds.
Effect of an Antihistamine on Body or an Organ :
These herbs may effect the infected or damaged cells due to release of Histamines.
How does an Antihistamine work :
These herbs may release some compounds which coat the receptor site of Cells. This inhibits the effect of histamines on the body. As a result, it reduces the symptoms of allergic reactions such as, Runny Nose, Hay Fever, Sneezing, Itchy Eyes and Headache.
Excess of Antihistamine herbs may cause :
Dry Mouth
Drowsiness
Constipation
Painful Urination