Incredible How Long Do Drugs Stay In Your System Chart Hair References. What is a good list of the types of drugs. Web however, around 16% of people who use meth regularly will still have detectable meth in their hair after about 120 days (4 months).

Web generally, drugs can stay in your system for a few days to several weeks. Urine urine tests can detect traces of opiate medications. It can be helpful to know the detection times for drugs of.