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 crystal meth stay in your system? It depends upon how much you use and how often, but it is estimated that the blood levels of the drug peak between 10 and 12 hours after use â and it can stay there for a long time, compared to other drugs.hen the user shoots, snorts or swallows methamphetamine, the body metabolizes the drug and turns some of it into amphetamine when it is in the bloodstream. A few hours after use, the body begins to process both chemicals â methamphetamine and amphetamine â through the liver and kidneys and excrete it as urine.