how long do withdrawal symptoms last after you quit smoking
Nicotine is out of your body 72 hours after you quit smoking. Nicotine withdrawal symptoms usually reach their peak 2 to 3 days after you quit, and are gone within 1 to 3 months.(1) It takes at least 3 months for your brain chemistry to return to normal after you quit smoking.(2) The last two symptoms to go usually are irritability and low energy.icotine withdrawal symptoms usually reach their peak 2 to 3 days after you quit, and are gone within 1 to 3 months.(1) It takes at least 3 months for your brain chemistry to return to normal after you quit smoking.