Nobody likes having rats on or around their property; they carry diseases, 
parasites, and have the potential to cause significant damage. Many homeowners opt to use store-bought rat poison to try and alleviate their rodent problems, and some see moderate success. Before you decide to go this route, consider the risks and dangers of rat poison.
The Health Risks of Dead Rats
Generally, commercially available rat poison comes in two types: anticoagulant, and non-anticoagulant. Anticoagulant rat poisons take anywhere from two to six days to take effect, whereas non-anticoagulant poisons typically get the job done in a matter of hours.
