How Are New World Screwworm Infestations Treated?

Created 12 days ago
by Calvin Cooper

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Categories: Prevention & Treatment
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FDA Animal Drugs for New World Screwworm: This table combines FDA-approved, conditionally approved, and emergency-use-authorized animal drugs for the prevention or treatment of New World screwworm myiasis.
FDA Animal Drugs for New World Screwworm
Product Status Indication(s) Species Additional Information
Dectomax-CA1 (doramectin injection) injectable solution Conditional Approval Prevention and treatment of infestations caused by larvae of Cochliomyia hominivorax (myiasis), and prevention of reinfestation for 21 days in cattle. Cattle
Exzolt Cattle-CA1 (fluralaner) topical solution* Conditional Approval Prevention and treatment of infestations caused by New World screwworm (Cochliomyia hominivorax) larvae (myiasis) and treatment and control of cattle fever tick (Rhipicephalus microplus) in beef cattle 2 months of age and older and replacement dairy heifers less than 20 months of age. Cattle
Credelio Quattro-CA1 (lotilaner, moxidectin, praziquantel, pyrantel) chewable tablets Conditional Approval Treatment of infestations caused by New World screwworm (Cochliomyia hominivorax) larvae (myiasis) in dogs and puppies.  Dogs
Credelio (lotilaner) chewable tablets Emergency Use Authorization Treatment of infestations caused by New World screwworm (Cochliomyia hominivorax) larvae (myiasis) in dogs and puppies. Dogs
Credelio CAT (lotilaner) chewable tablets Emergency Use Authorization Treatment of infestations caused by New World screwworm (Cochliomyia hominivorax) larvae (myiasis) in cats and kittens. Cats
Ivomec (ivermectin) injectable solution Emergency Use Authorization Prevention of infestations caused by New World screwworm (Cochliomyia hominivorax) larvae (myiasis) when administered within 24 hours of birth, at the time of castration, or at the appearance of wound in cattle, except for female dairy cattle producing milk for human consumption and calves that will be processed for veal. Cattle
NexGard (afoxolaner) chewable tablets Emergency Use Authorization Treatment of infestations caused by New World screwworm (Cochliomyia hominivorax) larvae (myiasis) in dogs and puppies. Dogs
NexGard COMBO (esafoxolaner, eprinomectin, and praziquantel topical solution) Emergency Use Authorization Treatment of infestations caused by New World screwworm (Cochliomyia hominivorax) larvae (myiasis) in cats and kittens. Cats
F10 Antiseptic Wound Spray with Insecticide (benzalkonium chloride, polyhexanide and cypermethrin topical solution)* Emergency Use Authorization Prevention and treatment of infestations caused by New World screwworm (Cochliomyia hominivorax) larvae (myiasis) in cattle, horses, minor species of hoof stock, raptors and other wild birds, pet birds, and captive wild, exotic, and zoo mammals.

Cattle

Horses

Minor Species of Hoof Stock

Raptors, Wild Birds, Pet Birds

Captive Wild, Exotic, and Zoo Mammals

F10 Antiseptic Barrier Ointment with Insecticide (benzalkonium chloride, polyhexanide and cypermethrin topical ointment)* Emergency Use Authorization Prevention and treatment of infestations caused by New World screwworm (Cochliomyia hominivorax) larvae (myiasis) in cattle, horses, minor species of hoof stock, raptors and other wild birds, pet birds, and captive wild, exotic, and zoo mammals.

Cattle

Horses

Minor Species of Hoof Stock

Raptors, Wild Birds, Pet Birds

Captive Wild, Exotic, and Zoo Mammals

Negasunt Powder (coumaphos, propoxur, and sulfanilamide topical powder)* Emergency Use Authorization Prevention and treatment of infestations caused by New World screwworm (Cochliomyia hominivorax) larvae (myiasis) in cattle, swine, goats, sheep, horses, donkeys, domestic hybrid equids, and captive wild, exotic, and zoo mammals.
 

Cattle

Swine

Goats

Sheep

Horses

Donkeys

Domestic hybrid equids

Captive Wild, Exotic, and Zoo Mammals

Dectomax/Dectomax-CA1 (doramectin injection) Emergency Use Authorization

Prevention and treatment of infestations caused by New World screwworm (Cochliomyia hominivorax) larvae (myiasis) in dairy cattle (lactating dairy cows, dry dairy cows, replacement dairy heifers, 20 months of age and older) except for calves that will be processed for veal; and

Prevention of infestations caused by New World screwworm (Cochliomyia hominivorax) larvae (myiasis) in horses one year and older, swine, sheep except lactating sheep, and deer.

Dairy Cattle

Horses

Swine

Sheep

Deer
 

*extralabel use of this animal drug is not permitted

SOURCE: Food & Drug Administration