Antifilarial medications are recommended for the treatment of parasitic infections such as filariasis by inhibiting the growth or destroying filarial worms. Antifilarial drugs, such as Diethylcarbamazine, destroy the worms and their larvae called microfilariae; therefore, it is suggested for treating lymphatic filariasis. Filariasis is one of the parasitic infections, which can spread by black flies or mosquitoes. In the Antifilarial category, you will find one of the popular antifilarial drugs called diethylcarbamazine. It belongs to the family of therapeutic agents known as antihelminthics.