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.
Shingles can cause severe pain, so your doctor also may prescribe: 1  Capsaicin cream. 2  Anticonvulsants, such as gabapentin (Neurontin). 3  Tricyclic antidepressants, such as amitriptyline. 4  Numbing agents, such as lidocaine, delivered via a cream, gel, spray or skin patch. 5  Medications that contain narcotics, such as codeine.