I just did some more searching about ticks. I have used this with fleas and worked great. And this also good for ticks too. I have used both kinds, one bought at the vets and off the counter bought at pet stores. I didn't see much difference other then the price. This is the stuff you squirt between their shoulder blades.
Zodiac® Power Spot® For Dogs Under 14 kg (30 lbs.)
& Zodiac® Power Spot® For Dogs Over 14 kg (30 lbs.)
Kills adult fleas and ticks for 3 weeks or more
Kills flea eggs for 4 weeks
Provides relief from flea infestation - flea eggs die before they drop off the dog
Easy to use- no mess, no unpleasant odour
Spreads completely over the coat, through dog's natural movements
Long term protection- 3 months supply per package
For puppies and dogs, 6 months of age or older
This formulation is intended for use on dogs only. DO NOT USE ON CATS.