Constipated Dog Advantage Multi for Dog (Known as Advocate) $45 Advocate for Dogs kills fleas, prevents heartworm, hookworm, roundworm and whipworm and controls mange and lice with monthly topical application. Manufactured by Bayer Available sizes Brand Red – Large Dog 21-55lbs (10-25kg) 3 applications – $45.00 Brand Red – Large Dog 21-55lbs (10-25kg) 6 applications [...]