Rubbing alcohol will kill bed bugs and their eggs which directly contacts it. It will stop bed bugs to walk around and repel them from you. So, rubbing alcohol is an effective way to fight with bed bugs.
While bed bugs have a reputation as hard-to-kill pests, in some cases you can kill bed bugs with something as simple as a solution of alcohol and water.
While alcohol can kill bed bugs on contact, it's not going to kill nearly enough of bed bugs to be considered effective. In lab studies, even 99 percent concentrations of alcohol only killed between 40% to 60% of the adults that were sprayed.
Rubbing alcohol is a solvent and can kill insects by dissolving their cells. Rubbing alcohol is also a desiccant, or drying agent, so it can destroy bed bug eggs by drying them out. In addition, rubbing alcohol repels the bugs, discouraging them from crawling or laying eggs on a surface treated with the substance.
Nobugsonme. Steam is a more effective contact killer than alcohol because it has a longer reach (and bonus: it avoids the whole fumes/flammability issue). Dry vapor steam (see FAQ on killing bed bugs with steam) is recommended so you don't cause mold/mildew issues. However, it is a lot harder to fight bed bugs with just a contact killer.
Use wintergreen alcohol to kill bedbugs and their eggs instantly. It's very inexpensive and easily accessible. Pour the wintergreen alcohol full strength into a spray bottle and spray directly on the bedbugs and nests. The wintergreen burns the bugs on contact.