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.
Meth can show up in a urine test from 1-4 days. A blood test can detect meth for 1-3 days. Methamphetamine will show up in a saliva test for 1-4 days. Methamphetamine, like many other drugs, can be detected with a hair follicle drug test for up to 90 days. Methamphetamine is metabolized by a liver enzyme and is excreted by the kidneys in urine.