Learner's definition of CHEMICAL. 1. : of or relating to chemistry. a chemical analysis. chemical elements/bonds. They studied the compound's chemical structure/composition/properties. a chemical laboratory.
What is quasense? Uses: This medication is a combination of 2 hormones (an estrogen and a progestin) and is used to prevent pregnancy. It works mainly by preventing the release of an egg (ovulation) during your menstrual cycle.
Guaifenesin is an expectorant [from the Latin expectorare, to expel from the chest] that tries to increase hydration of your secretions and get the mucus (i.e., symptoms of congestion) out of your chest. The idea is that the more lubricated the respiratory tract, the easier it is for the lungs to expel the mucus.