Tyler Peck died at a house in the town on February 2nd.
34-year old Holly Strawbridge, who is also from Salcombe, has been charged with two counts of supplying a class A drug, and two counts of child cruelty.
She will appear before magistrates in Plymouth.
A 29-year-old man from the town was also arrested.
He was released on police bail until Tuesday 2 July.
Teenager killed after getting out of ambulance on M5
He crossed carriageway before being hit by car
Thugs jailed for 'ferocious' attack
16 months for beating up man
Public asked for views about Devon libraries
You may be able to use them when they're closed
Christmas cancelled in Crownhill
Lights out to save cash
Hourly services return on Exeter to Waterloo line
Speed restriction removed on SWR line
£1 million Exeter Quay bridge axed
'Doing nothing is not an option'
