Because of your pets health. If you have a 26lb dog receiving a pill for 26-50lb dogs, not only are you giving them double the necessary dose of neurotoxins and pesticides, but you are giving them an *entire months* worth up front. An entire months dose for a 50lb dog. These things *could* be given on a weekly basis at a dose intended for a 26lb dog.
Making the world better, one answer at a time. I am a sixty one year old woman who is in good health. I received a tetanus shot yesterday and hours later I was feeling a bit tired. Romany Sedhom.
Your doctor may recommend a tetanus booster shot if you haven't had one in the last five years. Severe spider bite symptoms occur as a result of injected spider venom. The severity of symptoms depends on the type of spider, the amount of venom injected and how sensitive your body is to the venom.