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.
Valtrex (valacyclovir) is an antiviral drug based on acyclovir used to treat a variety of conditions caused by the herpesviridae family of viruses.alacyclovir is used to shorten the duration and severity of shingles symptoms and to help stop new sores from forming. Valacyclovir should be started soon after the shingles rash appears and is taken is normally taken in a week-long regimen.