Overview
Smoking is a known risk factor for severe COVID-19. It damages the lungs and impairs the immune system. The role of nicotine in COVID-19 is more complex, with some early studies suggesting a possible protective effect, but this is not well established.
Risks
Smokers are at higher risk of severe illness, hospitalization, and death from COVID-19. It also increases the risk of complications like pneumonia.
Causes
Smoking damages the respiratory system, making it more susceptible to the virus. It also affects the immune system's ability to fight infection.
Treatment
Treatment is the same as for other patients. Smoking cessation is strongly advised for recovery and overall health.
When to See a Doctor
Seek medical care for any COVID-19 symptoms, and discuss smoking cessation with your doctor.