Cockroaches pose health risks by spreading bacteria and allergens. Their rapid reproduction makes cockroach infestations difficult to manage, and once they’ve made your home their own, it can seem like an impossible task to get rid of them.However, a well-executed strategy that combines DIY methods, prevention tactics, and, in severe infestation cases, professional help, can be highly effective in eliminating them for good. This comprehensive guide will explain how to kill cockroaches, prevent them from returning, and explore what kills roaches overnight using practical and natural solutions.