For vet-quality flea and tick protection, try TevraPet FirstAct Plus Flea & Tick Treatment for Dogs. FirstAct Plus is formulated with fipronil and (S)-methoprene for full-spectrum flea and tick protection that kills on contact—no biting required. This topical treatment doesn’t just target existing pests. It also protects against all stages of ticks and prevents flea eggs and larvae from developing. Plus, pet parents will feel good knowing this product is made in the USA using high quality standards.