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.
Indications and Usage. Hydroxyzine is sold under the brand names Atarax or Vistaril. Hydroxyzine is used as an antihistamine to help reduce the occurrence of sneezing or runny nose. Unlike some antihistamines you can use Hydroxyzine HCL to treat allergic reactions on the skin such as hives or contact dermatitis.In some cases this medication is also used in conjunction with other substances as an anesthesia or to control nausea or vomiting.nlike some antihistamines you can use Hydroxyzine HCL to treat allergic reactions on the skin such as hives or contact dermatitis. In some cases this medication is also used in conjunction with other substances as an anesthesia or to control nausea or vomiting.