The author report his experience with a new drug combination: Cambendazole and Mebendazole, in multiple helminthiasis infections, including strongyloidiasis, in 50 patients, divided in two groups: Group A: Composed of the 25 patients adults, who received the new drug in a dosage of: Cambendazole - 3 mgm x Kgm of body weight, and Mebendazole - 5 mgm x Kgm of b.w., during three consecutive days. Group B - Composed of the 25 children who received the new drug-compound in a single dose: Cambendazole - 3 mgm x Kgm of b.w., and Mebendazole - 5 mgm x Kgm of b.w. After treatment, parasitological cure rate obtained was: Group A - Roundworm :96% (24 cases) Whipworm: 72% (18 cases) Hookworm: 60% (15 cases) Strongyloidiasis: 90% (18 cases) Group B - Roundworm:92% (23 cases) Whipworm: 68% (17 cases) Hookworm: 60% (15 cases) Strongyloidiasis: 96% (24 cases) In general, the new drug was well tolerated by all patients, and no important side - effects were observed.