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Sergeant's Double Duty Flea & Tick Collar for Cats

This page contains information on Sergeant's Double Duty Flea & Tick Collar for Cats for veterinary use.
The information provided typically includes the following:
  • Sergeant's Double Duty Flea & Tick Collar for Cats Indications
  • Warnings and cautions for Sergeant's Double Duty Flea & Tick Collar for Cats
  • Direction and dosage information for Sergeant's Double Duty Flea & Tick Collar for Cats

Sergeant's Double Duty Flea & Tick Collar for Cats

This treatment applies to the following species:
Manufacturer: Sergeant’s

For cats of all sizes




flea eggs

up to 8 months flea protection

Active Ingredients

Propoxur (CAS #114-26-1)


(S)-Methoprene (CAS # 65733-16-6)







Sergeant's Double Duty Flea & Tick Collar for Cats Caution




Directions For Use

It is a violation of Federal Law to use this product in a manner inconsistent with its labeling.

1. Buckle collar around cat’s neck. Fit collar snug enough to prevent placement of the cat’s leg or lower jaw through the collar, yet loose enough to be rotated about the neck. 2. Leave 1 - 2 extra inches on the length of the collar for adjustment. Cut off excess and dispose of in trash. 3. Check periodically and adjust fit if necessary, especially when kittens are rapidly growing. 4. Replace in 8 months or sooner if needed. Collar does not need replacement if cat becomes wet.

To minimize flea infestation use appropriate products to:

1. Treat the pet. 2. Treat the indoor environment, especially where pets spend time resting. 3. Treat the outdoor environment when necessary. 4. Only use EPA-registered products that are labeled for these uses.


Collar should be left in place once fitted on cat. If collar is temporarily removed, do not set it on wood or other surfaces. Storage: Store in original unopened package away from children. Disposal: Do not reuse container or collar. Dispose of in trash. If collar is temporarily removed, wrap in paper or plastic; do not allow children to have access to collar.

WHAT TO EXPECT: For Fleas: 1. This Sergeant’s collar is designed to kill adult fleas and flea eggs. 2. Protection against fleas and flea eggs will be achieved within 48 hours, providing continuous protection for up to 8 months. 3. Replace collar every 8 months or sooner if needed. For Ticks: 1. Protection against adult and immature ticks will be achieved within a few days, providing continuous protection for up to 6 months. 2. Adult ticks will be killed over the entire pet. Dead ticks will fall off or may be easily removed. 3. Replace collar every 6 months or sooner if needed.

PRECAUTIONARY STATEMENTS - HAZARDS TO HUMANS AND DOMESTIC ANIMALS - CAUTION: Do not get dust or collar in mouth. Harmful if swallowed or absorbed through skin. Do not get dust in eyes, will cause temporary constriction of the pupils*. The dust released by this collar is a cholinesterase inhibitor. Avoid contact with skin, eyes or clothing. NOTICE: This product contains propoxur, a chemical known to the State of California to cause cancer. HUMANS: Do not open package until ready to use. Do not allow children to play with this collar. Pesticidal dust will form on this collar during storage. Wash hands thoroughly with soap and water after handling collar. ANIMALS: Consult a veterinarian before using this product on debilitated, aged, medicated, pregnant, or nursing cats. Do not use on kittens under 12 weeks of age. Do not use this product on cats simultaneously or within 30 days before or after treatment with or exposure to cholinesterase inhibiting** drugs or pesticides (e.g. carbaryl or propoxur, etc.). However, flea and tick collars may be immediately replaced. When collar is first worn, observe neck area every few days for irritation. Remove collar at the first sign of irritation or adverse reaction. Sensitivities may occur after using ANY pesticide product for pets. If signs of sensitivity occur, remove collar and bathe your cat with mild soap and rinse with large amounts of water.

First Aid

Call poison control center or doctor immediately for treatment advice.

If swallowed - Call poison control center or doctor immediately for treatment advice. Have person sip a glass of water if able to swallow. Do not induce vomiting unless told to do so by the poison control center or doctor. Do not give anything by mouth to an unconscious person.

If on skin or clothing - Take off contaminated clothing. Rinse skin immediately with plenty of water for 15 - 20 minutes.

If in eyes - Hold eye open and rinse slowly and gently with water for 15 - 20 minutes. Remove contact lenses, if present, after the first 5 minutes, then continue rinsing eye.

IN CASE OF EMERGENCY, CALL 1-800-781-4738 OR A POISON CONTROL CENTER. Have the product container or label with you when calling a poison control center or doctor or going for treatment. NOTE TO PHYSICIAN/VETERINARIAN: Contains an N-methyl carbamate that inhibits cholinesterase. *Atropine is antidotal only if symptoms of cholinesterase inhibition are present.

To the extent consistent with applicable law, seller makes no warranty, expressed or implied, concerning the use of this product other than indicated on the label. Buyer assumes all risk of use and handling of this material when such use and handling are contrary to label instructions. For product use information, call 1-800-224-PETS.

**For information on cholinesterase inhibition please call our 800 number or consult your veterinarian.

EPA Reg. No. 2724-491-2517

EPA Est. No. 2724-TX-1

Distributed by: Sergeant’s Pet Care Products, Inc., P.O. Box 540399, Omaha NE, 68154-0399.

Double Duty Flea & Tick Collar for Cats is a registered trademark of Sergeant’s Pet Care Products, Inc.

© 2003 Sergeant’s Pet Care Products, Inc.



.37 OZ (10.5 g)

P002593-1 RAAV

NAC No.: 10830353

dba Perrigo Animal Health

P.O. BOX 540399, OMAHA, NE, 68154-0399
Clinical Inquiries:   800-224-7387
Telephone:   402-938-7000
Fax:   402-938-7092
Customer Service:   800-224-7387
Every effort has been made to ensure the accuracy of the Sergeant's Double Duty Flea & Tick Collar for Cats information published above. However, it remains the responsibility of the readers to familiarize themselves with the product information contained on the US product label or package insert.

Copyright © 2018 North American Compendiums. Updated: 2018-01-04