Bronchitis vs Pneumonia: Symptoms, X-Rays, When to Worry
💡TL;DR: Bronchitis irritates the airways and is usually viral; pneumonia infects the lung's air sacs and tends to be more severe. Expect bronchitis to improve in 1–3 weeks and pneumonia to take 1–2+ weeks, with fatigue lingering. Antibiotics usually don't help acute bronchitis,