FDA approves drug to combat New World screwworm

The U.S. Food and Drug Administration (FDA)) gave conditional approval Dec. 4 to Exzolt Cattle-CA1 (fluralaner) topical solution for the prevention and treatment of New World screwworm (NWS) larval infestations. The FDA also conditionally approved the solution for treatment and control of Cattle Fever Tick in beef cattle 2 months of age and older and replacement dairy heifers less than 20 months of age. “This conditional approval gives cattle producers a new tool to combat two parasites threatening the wellbeing of cattle in the U.S.,” said FDA Commissioner Marty Makary. “Although NWS has not been detected in the U.S., Cattle...

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