Unlike plants, fungi cannot synthesize their own food using energy from the sun. Instead, they must draw their food from a source--sometimes a tree. Fungi extend fibers into the host plant, absorbing its nutrients and depleting its energy, causing the tree to decline.
Hydroxyzine (/haÉªËdrÉksÉ¨ziËn/ ; sold as Vistaril, Atarax) is a first-generation antihistamine of the diphenylmethane and piperazine class.It was first synthesized by Union Chimique Belge in 1956 and was marketed by Pfizer in the United States later the same year, and is still in widespread use today.ydroxyzine's predominant mechanism of action is as a potent H1 receptor inverse agonist (K i = 2 nM). Unlike many other first-generation antihistamines, it has very low affinity for the mACh receptors (K i and in accordance, has a low propensity for producing anticholinergic side effects.
Get help from a doctor now âº. Old antihistamine: Vistaril is Hydroxyzine (aka atarax) a first generation antihistamine that is used as a sedative to treat anxiety and tension. It is still used on occasion to treat itchy skin rashes.It may also be used in conjunction with anesthesia.et help from a doctor now âº. Vistaril: It is used as a mild antihistamine, as a tranquilizer that is non-addicting, to help old patients rest. It is combined with pain shots to reduce the incidence of nausea and lower anxiet related to pain.