Ziverdo Kit is a mixture of three medicines: zinc acetic acid derivatives, doxycycline and ivermectin. Acetic Acid Derivative of Zinc is a zinc supplement that provides key supplementation. Doxycycline is an antimicrobial. It stops bacterial growth by preventing the combination of essential proteins that microorganisms wait for to complete crucial functions. Ivermectin is an antiparasitic drug. Sildalist 120 works by forcing the muscle and nerve cells of the worms, causing them to lose movement and die. This cures his illness.