Tick paralysis

The saliva of some species of tick contains poisons, which affect the motor nerves of the dog.

Clinical signs are usually associated with a heavy infection of ticks.  During 48 to 72 hours the dog gets progressively weaker.  There is no evidence of pain or an illness, other than lethargy.

At first, the reaction to a pin prick is normal, the animal moves its leg away from the pin prick.  In time, the…..