It is better to wash your clothes after you have bombed the house because if there is any fleas in your clothes then it will kill them and you want to wash them after so the chemical don't irritate your skin and it will get rid of the dead fleas.
When I Flea Bomb My House, Is It Better To Have All The Clothes On The Floor Or Wash Them And Put Them Away First - Actually, Will It Harm My Clothes?
Wash & put away - will not harm clothing but will obstruct the flow of the bomb materials