A heartworm preventative tablet given daily. Sizes available - 50mg for dogs up to 8 kg / 18 lbs; 200mg for dogs 8-32kg/18-70lb; 400mg for large dogs 32-64kgs/70-140lbs.
Cautions:
Do not give to dogs that are heartworm positive. Do not give this medication to dogs that have not been on continuous heartworm prevention, without a negative test result for heartworm microfilaria. Failure to do so may result in anaphylactic shock and death. This medication should not be used in animals allergic to it.
The FDA, due to the current state of their regulations, has taken the position that virtually all shipments of prescription drugs imported from a Canadian pharmacy by a U.S. consumer will violate the law.