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.
Meningitis is an inflammation of the meninges (the covering of the brain and spinal cord). Meningitis can be caused by infection from viruses and bacteria (germs). These germs usually cause everyday illness, such as an ear infection or pneumonia.here are vaccines that can prevent meningococcal meningitis. Haemophilus influenzae type b (Hib) can also cause meningitis. In the past, Hib was the most common cause of bacterial meningitis. There is a vaccine that stops infants and young children from getting this kind of meningitis.