Smoking causes decrease in the mobility of the normal secretions in the respiratory tract.Good you have quit smoking.Congrats!
Frequent sips of water every 15 mins would make the secretions than. Don't repeatedly clear your throat and do not swallow your saliva repeatedly, this will still worsen the situation.Instead drink frequent sips of water.
If you are a mouth breather by night and snore that can also dry up your saliva and cause the symptoms.If you have nose blocks and snoring consult an ENT for further management.
Disclaimer : The content is not intended to be a substitute for professional medical advice, diagnosis, or treatment. Always seek the advice of your physician or other qualified health provider with any questions you may have regarding your medical condition. Never disregard professional medical advice or delay in seeking it because of something you have read on this website.