Install a latch on your toilet lid. The toilet is a very fascinating place for babies, but the little bit of water here is enough to drown them, should they fall in. Securely lock all medications and first aid items. Never leave your child to bathe alone. It is too easy to slip in the water.
Supervision is very important.
It is impossible to anticipate and remove every potential danger in your home. But you can make your environment safer by following the above suggestions. As you are making your way around the house, you will probably see problems that are unique to your own home. Take care of these as well. Childproofing your house is a sensible way to increase the safety quotient in your house.