FDA Issues Emergency Use Authorization for Bimeda-Manufactured 1% Ivermectin Injection Against New World Screwworm
The FDA has issued an Emergency Use Authorization (EUA) for Bimeda-manufactured ivermectin 1% injection products for the prevention of infestations caused by New World screwworm (NWS) larvae (myiasis) in cattle.
The EUA includes Bimectin® (ivermectin) 1% Injection and distributor-labeled bioequivalent products with ANADA #200-447 approval.
Under the EUA, Bimeda-manufactured ivermectin 1% injection may be used for the prevention of NWS infestations when administered within 24 hours of birth, at the time of castration, or at the appearance of a wound in cattle, except for female dairy cattle producing milk for human consumption and calves that will be processed for veal.
Learn more and review complete use information: BimedaUS.com/BimectinInj/EUA
Producers should consult the EUA fact sheet and product labeling for complete use information.
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What is Bimectin® Injection?
Bimectin® Injection is an excellent and effective choice for the treatment and control of a wide range of internal and external parasites of cattle and swine. Bimectin® is absorbed quickly to reach and kill parasites, you can be confident when using Bimectin® Injection as part of your parasite control strategy.
Bimectin® Injection offers convenience, with only a single low-volume dose required to effectively treat and control a broad range of parasites which may impair the health of cattle and swine. It is also cost effective; having an inexpensive cost-per-dose. Bimectin® Injection is also FDA-approved.
Indications

Cattle
Effective treatment and control of harmful species of:
- gastrointestinal roundworms
- lungworms
- grubs
- sucking lice
- mange mites

Swine
Effective treatment and control of harmful species of:
- gastrointestinal roundworms
- lungworms
- lice
- mange mites
The table below details the specific parasites for which Bimectin® is indicated.
Bimectin® Injection is licensed for the treatment & control of the following harmful parasites:
Persistent Activity:
Ivermectin Injection has been proven to effectively control infections and to protect cattle from reinfection with Dictyocaulus viviparus and Oesophagostomum radiatum for 28 days after treatment; Ostertagia ostertagi, Trichostrongylus axei and Cooperia punctata for 21 days after treatment; Haemonchus placei and Cooperia oncophora for 14 days after treatment.
Benefits
- Broad Spectrum: effective against a wide range of external and internal parasites in beef cattle and swine
- Convenient: single, small volume dose required
- Effective: causes paralysis and death of parasites and helps prevent reinfection
- Package safety: rigid plastic vials provide for a firm grip and prevent breakage, individual vial cartons protect vial contents from sunlight
- Economical: inexpensive on a cost per dose basis
- Safe: approved by FDA
Withdrawal Period
| Cattle | Pigs | |
|---|---|---|
| Meat and Offal | 35 days A withdrawal period has not been established for this product in pre-ruminating calves. Do not use in calves to be processed for veal. | 18 days |
| Milk | A withdrawal time in milk has not been established, do not use in female dairy cattle of breeding age |
Pack Sizes
| List No. | Pack Size | Case Size |
|---|---|---|
| 1BIM025 | 50 mL | 12 |
| 1BIM017 | 250 mL | 12 |
| 1BIM018 | 500 mL | 12 |
| 1BIM020 | 1000 mL | 12 |

