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 (/haÉªËdrÉksÉ¨ziËn/ ; sold as Vistaril, Atarax) is a first-generation antihistamine of the diphenylmethane and piperazine class.
Meningitis can also be caused by the direct spread of a nearby severe infection, such as an ear infection (otitis media) or a nasal sinus infection (sinusitis). An infection can also occur any time following direct trauma to the head or after any type of head surgery.
Infection by E. coli and similar bacteria tend to cause septicaemia (blood-poisoning) when it happens at birth or in the first two days after birth. When it occurs in babies more than 48 hours old it is more likely to cause meningitis.nfection by E. coli and similar bacteria tend to cause septicaemia (blood-poisoning) when it happens at birth or in the first two days after birth. When it occurs in babies more than 48 hours old it is more likely to cause meningitis.