The answer to 'how to get rid of bed bugs permanently' is to use an integrated pest management (IPM) approach that combines multiple treatment methods. This involves thoroughly inspecting your home, eliminating hiding spots, washing and drying infested items, and applying targeted insecticide treatments.
Start by carefully inspecting your home to identify all areas where bed bugs may be hiding, such as cracks, crevices, and seams in furniture, bedding, and walls. Vacuum and clean these areas thoroughly to remove any visible bugs and eggs. Wash all bedding, clothing, and other washable items in hot water (at least 120°F/49°C) and dry them on high heat. For items that can't be washed, use a steamer or freezer to kill any bed bugs.