clarithromycin

has activity against Toxoplasma. It is also effective against helicobacter pylori in peptic ulcer

Clarithromycin has activity similar to erythromycin, but is also effective against Haemophilus influenzae. Its activity against intracellular pathogens like Chlamydia, Legionella, Moraxella, Urea plasma species, and Helicobacter pylori is higher than that of erythromycin.