slide 2 of 12. Skin The skin is the largest organ in the human body. Its main job is to maintain the body's temperature, which means that sweat is created to cool the body, and goosebumps or raised hair occur to trap heat in the body. Along with sweat glands, the skin contains oil glands.
...However, if I am wrong about that, the answer is that acetaminophen (and its metabolites) are identifiable for up to 48 hours after you took the pill. Less if you took tiny doses, but up to standard clinical doses (<8g), it's 48ish hours.
How long does phentermine stay in the body After taking this medication for several weeks, I would like to know how long it stays in the body. USA. Phentermine has an adult half-life of between 7 and 20 hours, and peaks in the bloodstream 8 hours following administration. Assuming a seven hour half-life, over 90% of the medication would theoretically be cleared from your system in 28 hours. Assuming a 20 hour half-life, it would take approximately 80 hours for most to clear.