Numbness and tingling are unusual prickling sensations that can happen in any part of your body. People generally notice these sensations in hands, feet, arms, and legs. Many things can cause numbness and tingling, including sitting with your legs crossed or falling asleep on your arm.
Meth can stay in the system and be detected in urinalysis drug tests 1-4 days after use. But chronic use can extended this detection period. More here on how meth works and the length of time it stays in your system, with a section for your questions about meth at the end.
How long does meth stay in the body, and how long can it be detected? Plasma half-life = 12-34 hours. This means that by 12-34 hours, the concentration of meth in your blood will be reduced in half. Time to leave the body = 2-10 days. Generally, the heavier the user, the longer it will take for meth to leave the body. Effects of meth use = 8-24 hours.1. Detection in urine tests = up to 72 hours.2.