It comes in tablets or liquid and needs to be given 3 times a week. It must be sprayed daily for 14 consecutive days initially, then once a week for continued protection. It is very economical - making up twenty 400ml spray bottles. You do not have to use a whole bottle each time- use just enough to saturate the coat. There is no vaccine available against the paralysis tick yet but research is fast approaching its development.
Some animals develop a natural immunity after exposure to several ticks.
The antiserum does not last very long in a treated animal so it is very important to start on prevention as soon as you get home and not be back with another case the following week.