Ants contained by my house? give a hand? lately, ants invaded my house, they're in everywhere within the kitchen, toilets,...

lately, ants invaded my house, they're in everywhere within the kitchen, toilets, roooms...etci live in a council house, and they suggested pesticide, i hold got two give somebody the third degree, the first one are ants harmful to humans? and other query i heard that pesticide have harmful chemical within it that causes disease is this true?
Why do society ask what color to paint...
Answers:    ants at this time of year? are u sure? perchance it's fleas or something
What is 'wooloway,' as within wooloway bungalow?
It's a bit cold for ants this time of year. If you do have them in attendance is a product available in the UK call Nippon. They make it contained by a powder or gel. The gel is more effective and does not clean up away so easily by the rainfall.