On May 3rd Lambton OPP received calls about a woman driving erratically on Hill Street in Corunna.
Just before 6 am police pulled over the vehicle, and during the search found a syringe containing a blue liquid believed to be fentanyl.
A further search turned up a quantity of suspected meth, along with a long gun and several rounds of ammunition.
The charges also include driving without a license , and failing to stop for a red light.