Codominance definition, Ecology. being one of two or more species that are equally dominant in a biotic community: a forest in which oak and hickory are codominant. See more. Dictionary.com
Meclizine is an antihistamine that reduces the effects of natural chemical histamine in the body. Meclizine is used to treat or prevent nausea, vomiting, and dizziness caused by motion sickness. It is also used to treat symptoms of vertigo (dizziness or spinning sensation) caused by disease that affects your inner ear. Meclizine may also be used for purposes not listed in this medication guide.
Meclizine (mek' li zeen) is a first generation antihistamine that belongs to the piperazine class of these agents (with cyclizine and hydroxyzine) which are used largely for their antiemetic and sedative effects. Meclizine is used mostly for the treatment of vertigo and symptoms of nausea, vomiting and dizziness associated with motion sickness.