swab tests detect max to 10-12 days , approx. detection time for heroin is 1-2 days but swab test have no nationally accepted standards or cutoff concentrations so to be safe give your self 2-3 days.
A swab test can detect marijuana in saliva for up to 24-48 hours after use. The detection window can vary depending on factors such as frequency of use and individual metabolism.
me
Yes.
yes
They can be.
yes
Yes, it will.
no
The average mouth swab detects use for up to 48 hours.
2 days
it will only detect MAX 72 hrs
Generally from 21hrs to four days.