However, as with cold sores and shingles, Valtrex is not a cure for genital herpes. Valtrex was approved for treating chickenpox in children based on studies of acyclovir (ZoviraxÂ®), a very similar medication. Other studies have shown that Valtrex (which the body transforms into acyclovir) is safe in children.
Polyvinyl alcohol. Poly(vinyl alcohol) (PVOH, PVA, or PVAl) is a water-soluble synthetic polymer. It has the idealized formula [CH2CH(OH)]n. It is used in papermaking, textiles, and a variety of coatings. It is white (colourless) and odorless. It is sometimes supplied as beads or as solutions in water.
What is PSA? PSA is one of three major factors that are considered when evaluating a manâs particular case of prostate cancer. PSA stands for Prostate Specific Antigen. The word âspecificâ means that this enzyme is produced only by prostate cellsâwhether normal prostate cells or prostate cancer cells. No other cells (lung, intestine, liver, etc.) make PSA. The purpose of PSA is to keep semen (the white substance ejaculated during sexual intercourse) liquefied.