If so, you could still have dust in your lungs, causing
chronic irritation, leading to cough
. You could have developed a form of asthma, with cough
being the main symptom. Asthma medicines might be helpful, until your lungs are able to completely clear the dust. Should you again cut granite or anything like it, be sure to wear a mask designed to filter out very fine particles. These can be purchased at any medical supply store and they can recommend the right mask for your purpose.