Below is the product datasheet. This has been provided by the manufacturer and should always be provided with the medication. Introduction 
Company name: MSD Animal Health
Address: Walton Manor
Walton
Milton Keynes
MK7 7AJ
Telephone: 01908 685685 (Customer Support Centre)
Fax: 01908 685555
Email: vet-support.uk@merck.com
Website: www.msd-animal-health.co.uk
Presentation
48 cm collar for small and medium sized dogs. This white collar, 48 cm in length (19 g) contains 0.76 g deltamethrin per collar.
65 cm collar for large dogs. This white collar, 65 cm in length (25 g) contains 1.0 g deltamethrin per collar.
Uses
Control of infestations with ticks (Ixodes ricinus; Rhipicephalus sanguineus) for 5 to 6 months.
Control of blood sucking by phlebotomine sand flies (Phlebotomus perniciosus) for a period of 5 to 6 months.
Anti-feeding effect on adult mosquitoes of the species Culex pipiens for 6 months.
Dosage and administration
The 48 cm collar is to be used on small and medium-sized dogs. The 65 cm collar is to be used on large dogs.
For fastening around the neck. One collar per dog. For external use only.
Remove the collar from the sealed protective sachet. Adjust the collar around the animal’s neck without tightening it too tight. Two fingers side-by side should fit between the band and the dog’s neck. Slide the end through the buckle and cut off any excess length extending beyond 5 cm.
Can be used during pregnancy and lactation.
Contra-indications, warnings, etc
Do not use in puppies less than 7 weeks of age.
Do not use on dogs with skin lesions.
Do not use on dogs known to be hypersensitive to pyrethroids. Do not use on cats.
As the collar exerts its full effect after one week, the collar should be applied 1 week before animals are likely to become exposed to infestation.
In rare cases attachment of ticks can occur while wearing the collar. Under unfavourable conditions the transmission of infectious diseases through ticks or sand flies can therefore not be ruled out entirely.
In rare cases localised skin lesions, localised dermatitis or erythema, pruritus and hair loss can be observed. In case of skin lesions remove the collar until symptoms have resolved.
In extremely rare cases neurological signs such as tremor and lethargy have been reported. If this occurs, the collar should be removed. These symptoms usually subside within 48 hours. Treatment should be symptomatic, as no specific antidote is known.
In the unlikely event of the dog eating the collar the following symptoms may occur: uncoordinated movements, tremor, drooling of saliva, vomiting, rigidity of the hindquarters.
These symptoms usually subside within 48 hours.
Diazepam can be used for symptomatic treatment if necessary. Do not use with other ectoparasiticides containing organophosphates.
While occasional contact with water does not reduce the effectiveness of the collar, it should always be removed before swimming and bathing the dog because the active substance is harmful to fish and other aquatic organisms. Dogs must be prevented from swimming in water for the first five days of wearing the collar.
Operator warnings:
Wash hands with soap and cold water after fitting the collar.
Do not use this product if you are allergic to triphenyl phosphate.
Avoid letting children, in particular those under 2 years old, touch the collar, play with it or put it into their mouth.
Care should be taken not to allow young children to have prolonged intensive contact, e.g. sleeping with a pet wearing a collar.
Keep the sachet with the collar in the outer carton until use.
For animal treatment only. Keep out of the reach and sight of children.
Pharmaceutical precautions
The collar, sealed inside the foil sachet, should be stored in the outer carton. Do not store above 25°C.
Deltamethrin is harmful to fish, other aquatic organisms and bees.
Dispose of empty packaging and any remaining product in the household refuse.
Legal category
NFA-VPS
Packaging Quantities
Carton containing one 48 cm collar.
Carton containing one 65 cm collar.
Further information
Nil.
Marketing authorisation number
48 cm collar: Vm 01708/4482.
65 cm collar: Vm 01708/4481.
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