Fungal infections such as Fusarium require treatment with antifungal medications such as Vfend. Combivir is an antiretroviral drug used to treat HIV-1 infections. It is not a cure but does help delay the process of the disease when taken in combination with other drugs. Famvir is an antiviral prescribed for the herpes zoster (shingles) virus. Cipro is a quinolone antibiotic.