FDA Grants Emergency Approval for Over-The-Counter Drug to Treat Screwworm in Pets
June 11 (Reuters) – The U.S. Food and Drug Administration on Thursday authorized the emergency use of a generic over-the-counter tablet to treat infestations caused by the New World screwworm in dogs and cats, as the government steps up efforts to contain the parasite. U.S. officials this month confirmed the first domestic cases of the parasite in more than six decades in cattle, a goat and a dog in Texas and New Mexico. New World screwworm is a fly whose larvae feed on living tissue, entering animals through open wounds and burrowing into the flesh. The agency said nitenpyram tablets, a fast-acting treatment, can be used in pets weighing at least two pounds and at least four weeks old, adding that the drug is expected to help kill most larvae within hours of the first dose. A second dose should be given six hours after the first, the agency said, but added that the drug may not protect against reinfestation and veterinarians may still need to remove remaining larvae and treat wounds. U.S. officials have warned …








