Acids and bases in the Brnsted model therefore exist as conjugate pairs whose formulas are related by the gain or loss of a hydrogen ion. Our use of the symbols HA and A- for a conjugate acid-base pair does not mean that all acids are neutral molecules or that all bases are negative ions. It signifies only that the acid contains an H+ ion that isn't present in the conjugate base.
Zovirax Ointment. Zovirax is a brand name for a prescription ointment cream that contains the anti-viral medication acyclovir. This medicated ointment is commonly used to treat genital herpes and cold sores in the mouth.
A: Valtrex (valacyclovir) is approved for shingles, also referred to as herpes zoster, in immunocompetent adults. However, the effectiveness of Valtrex for shingles when treatment is initiated more than 72 hours after the onset of rash has not been established.: Valtrex (valacyclovir) is used for oral herpes, also referred to as cold sores or herpes labialis, in adults and pediatric patients 12 years of age and older. Valtrex is an antiviral medication.