Description Bravecto Plus is for cats with flea and tick infestation or for those at risk. The spot on solution works immediately and protects them for 12 weeks. It also provides treatment of infections with intestinal roundworm and hookworm. Bravecto can also be used for the prevention of heartworm disease caused by Dirofilaria Immitis for 8 weeks. Suitable for cats weighing 2.8 – 6.25kg.