Histaramine imbalance in the body results in fever and certain form of allergies. Histamine is released from histamine-storing cells (mast cells) and then attaches to other cells that have receptors for histamine. Allegra helps in controlling Histaramine and eventually cures the ill effects of it. This drug does not readily enter the brain from the blood therefore causes less drowsiness. For more intricate information patients can follow the FAQ page.
