So sorry. Am I correct that you are just guessing that your dog has Lyme disease? Is he not able to use any of his legs?
By the way, ticks can become resistant to tick treatments, just like other parasites. If one particular medication is used too much in your area it will eventually stop working.
By the way, ticks can become resistant to tick treatments, just like other parasites. If one particular medication is used too much in your area it will eventually stop working.