Treating a heartworm infestation is
difficult and dangerous. It is far easier and more effective to prevent the
problem in the first place. In theory, the best way to prevent heartworms is to
keep your dog from being bitten by a
mosquito. Unfortunately, preventing mosquito bites can never be 100 percent
effective. Dogs can be reasonably protected if they remain indoors in the late
afternoon and evening, when mosquitoes are feeding.
Areas of most frequent heartworm infestation are along coastal...