Animal Health

Bayer’s Animal Health Division is one of the world’s largest suppliers of veterinary medicinal products for use in household pets, horses and livestock.


The majority of products in the range have been developed through Bayer's own research and development programmes, which specialise in infectious disease and parasites in animals.

Bayer's current product range includes:

  • comprehensive range of parasite treatments for dogs and cats that are available in tablet and spot on formulations.
  • a ground-breaking antimicrobial product used to treat bacterial diseases in dogs, cats and exotic animals (small mammals, reptiles and birds), as well as cattle, pigs and certain classes of poultry.


Please note that all information on this website relates only to products with marketing authorisations in the UK and Ireland and is primarily for animal owners.


To find out more about some of our products, you can click on a product name below:

Droncit® and Droncit® Tablets


The Bayer-leaflet-line website is an on-line literature ordering service for UK vets which allows practices to order printed material 24 hours a day.


Bayvarol® (3.6mg flumethrin per strip) is a special development for the control of Varroa mites, a parasite which affects honey bees.


Bayvarol has played an essential part in recent years in helping to control Varroa and reduce its rate of spread in the UK. Unchecked, Varroa can destroy entire bee colonies.


For more information on bee health, go to:


Droncit® Spot-On
Droncit® Spot-On (20 mg praziquantel) is a tapeworm treatment for cats applied directly to the skin on the back of the neck.


The application to the skin makes it ideal for use in fractious cats, helping avoid having a fight on your hands. It is ideal for hunting cats which require more frequent treatment and is effective against all the common tapeworms commonly found in UK cats.


Droncit® Tablets 50mg
Droncit®(T) Tablets (50mg praziquantel) is a tapeworm treatment for both dogs and cats.


The Drontal® range is the most well-known brand of wormer*.


There are four products in the range:

  • Drontal Plus Flavor Bone Shaped Tablets (50 mg praziquantel, 144 mg pyrantel embonate and 150 mg febantel).

  • Drontal Plus XL Tablets (175 mg praziquantel, 504 mg pyrantel embonate and 525 mg febantel).

    Both Drontal Plus Flavor Bone and Drontal Plus XL are a combined roundworm and tapeworm treatment for dogs and puppies.

  • Drontal Cat Tablets (20 mg praziquantel, 230 mg pyrantel embonate) a combined roundworm and tapeworm treatment for cats and kittens.

  • Drontal Cat XL Film-coated Tablets (345 mg pyrantel embonate, 30 mg  praziquantel) a combined roundworm and tapeworm treatment for cats and kittens.
  • Drontal Oral Suspension for Puppies (14.4 mg/ml pyrantel embonate and 15 mg/ml febantel) a roundworm treatment for puppies and young dogs.


For more detailed information please visit our website


* Insight track, Mar 2010


Tracer® is a microchip for permanent identification of pet animals.


The microchip, hardly bigger than a grain of rice, is designed to sit comfortably under your pet’s skin. Tracer is the most comprehensive animal identification system available in the UK, with benefits that include a secure database managed by the Kennel Club and individual wallets for each pet owner’s documentation.


Whether you are a pet owner or a veterinary surgery, you can find out more information about the Tracer® microchip and pet identification on the Tracer® website - please click here on


To amend your registration details, please contact the Petlog organisation:

tel: 0844 4633999

Contact Details Contact Details

Animal Health
Bayer plc
Bayer House
Strawberry Hill
RG14 1JA
United Kingdom
tel: +44 (0)1635 563000
fax: +44 (0)1635 563622

It's a jungle out there
Free parastie protection app
Tracer Advance website
Drontal website
Spotonwormer4cats website
Bayer Leaflet Line website

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