The short version
Nicotine clears from your blood within one to three days after your last cigarette, vape, or pouch. Metabolites like cotinine can show up in urine or saliva for longer, often three days to three weeks depending on how much you used and how often.
Clearing nicotine is not the same as being "over" quitting. Cravings and habits can last much longer than any test window.
Cigarettes vs vapes vs pouches
Disposables and high-strength nic salts can deliver nicotine faster than cigarettes, your brain may feel hooked quicker even if blood levels drop on a similar timeline.
Pouches vary by strength. Heavy dual use (vape plus cigarettes) can keep cotinine elevated longer because you rarely fully clear between doses.
- Blood nicotine: usually gone in 1-3 days after stopping
- Saliva cotinine: often 1-4 days for light use, longer if daily heavy use
- Urine cotinine: up to 3 weeks in some chronic smokers, less relevant for most quitters
- Withdrawal feelings can start while nicotine is still clearing
Why this matters when you quit
People panic on day two because they still feel rough, that is often withdrawal, not nicotine still "in your system" in a meaningful way.
Focus on surviving cravings (usually under three minutes each) rather than waiting for a clean test. Employers and insurers rarely test for nicotine unless you are in a specific role.
Using Quitt while nicotine clears
Quitt does not track blood levels, it tracks moments and patterns. When a craving hits, timer and AI first. Over time, trigger map, slip alerts, and buddy ping help you spot what keeps tripping you up.
£6.99/month. Not medical testing, practical support for the urges that outlast any lab result.