Fleas come into your home through your pets. They live in soft surfaces like carpet and bedding and can be difficult to eradicate. In order to eliminate fleas from your home, you need to kill as many as possible by treating the flooring, pets and washable items. Fleas can be removed from pet bedding, clothes and other fabrics by being washed in the washing machine and dried in a hot dryer.
Wash clothes in the washing machine using the hottest water the fabric will tolerate and your regular detergent. This will help remove many of the fleas and eggs before the item goes into the dryer and will increase the likelihood that all the fleas will be killed.
Load the dryer with the damp laundry and set the dryer on the highest heat setting. Beware that this may shrink the fabric, but fleas and flea eggs won't be killed unless the dryer is hot.
Run the dryer on a full cycle. The laundered items need to be completely dry in order to ensure that the fleas were killed.