How can i get rid of these ticks in my house?!?

i had a 2 month old baby in the house and theres ticks like crazy! we don't have any pets accept a fish and yet we have ticks everywhere. we have bombed our house & sprayed the inside and outside yet they are outside & inside our house still i am verry worried!! i don't want any to get on my baby girl!! what is the strongest tick medicine i can buy to get rid of them????? we can't aford to have a terminator because they cost alot of money!