Rapid Tone Sprays designed to fight cockroaches and other insects can cause lung problems. Of course, you should not inhale these substances yourself, and you should also make sure that the rooms are well ventilated before use. If you are repairing a room or furniture, take care to circulate fresh air. Paints often release potentially hazardous chemicals (volatile organic compounds) that are released when the can is opened and the paint dries.
