Valacyclovir contain sulfa. . . . . Valcyte Oral. Sumatriptan succinate is chemically designated as . g. . Information about common uses, side effects, interactions, dosages and storage. . valacyclovir Oral. . Valcivir (Valtrex , Valacyclovir) Used to treat herpes zoster (shingles), genital herpes . (b) Valacyclovir. PZA ; , rifabutin Mycobutin ; , rifampin Rifadin ; , triple sulfa, valacyclovir Valtrex . . . . d. Includes clindamycin side effects, interactions and indications. . Vaginal Sulfa... more