The vast majority of the more than 12,000 species of ants are not harmful to people
Ants can however carry bacteria making them potential transmitters of disease or infection. So it is important you keep them out of house
Silicon dioxide, glass cleaner and liquid detergent, ground back or red pepper, peppermint work against ants
10 drops of tea tree oil mixed with 2 cups of water in a plastic spray bottle can be used against ants. You do the same thing with lemon eucalyptus oil
White vinegar, cornstarch, neem oil can be mixed in water and sprayed to keep ants away
Boric acid is another good way to treat your ant problem
You can also spray or wipe lemon on the surface to keep ants away
Additionally check your house plants, keep the area clean, cut off sources of food, eliminate ant entrances to keep the problem at bay