Respiratory Symptoms May Be Lower
Six months sits within the official window in which cough, wheeze and shortness of breath commonly decrease.
What happens to your body 6 months after quitting smoking
Six months falls within the CDC's one-to-twelve-month window for reduced coughing and shortness of breath and the NHS three-to-nine-month window for fewer breathing problems. Improvement can be meaningful without implying that every airway has fully healed or that all smoking-related lung risk has disappeared.
Health timelines are population-level guides. Individual recovery varies with smoking history, health and treatment. Review the general guidance from the CDC and NHS.
Frequently asked questions
Are the lungs fully healed after six months?
No. Symptoms can improve while longer-term disease risks and any existing lung damage remain. There is no universal full-recovery date.
When should I ask about a continuing cough?
Ask a clinician about a cough that persists, worsens or concerns you, especially with chest pain, blood or breathing difficulty.