Cockroaches are among the most common pests in many homes and buildings. At night, they search for food in kitchens, food storage places, rubbish bins, drains, and sewers. They are pests because of their filthy habits and bad smell. Some people may become allergic to cockroaches after frequent exposure. Cockroaches can sometimes play a role as carriers of intestinal diseases, such as diarrhoea, dysentery, typhoid fever, and cholera, Immediate attention and removal is required to avoid quick multiplication in other areas.