Newspaper Midi Libre reported that the woman from the southern city of Nimes admitted to creating the toxic brews after a number of people had tests showing they had consumed the drugs.
The woman has been accused by some neighbours of taking advantage of their drugged state by then stealing from them.
She has admitted putting drugs in the drinks but denies the theft charge.
A total of five people have reported being the victim of the neighbour.
One person lost consciousness while at the wheel of his car.
Several went to hospital to report they were unwell and had stomach pains.
The woman has said she drugged her neighbours as an act of retaliation against them.
She claimed that several of them had been unkind to her.