Product Information Bravecto Plus Cat Spot-on Blue for medium cats weighing between 2.8kg and 6.25kg is a spot-on treatment that protects your cat for up to 3 months against fleas and 10 weeks against deadly paralysis ticks. Bravecto Plus also treats ear mites, heartworm, roundworm and hookworm. Treats and prevents flea infestations for 3 months. Controls paralysis ticks for 10 weeks. Prevention of heartworm for 2 months. Treatment or roundworm and hookworm. Treatment and control of ear mites.