Hi, good that you have decided to quit. Smoking is not a habit but an addiction. There are two factors to be considered when quitting, the physical withdrawal and the psychological craving. Quitting smoking does not require any medication but requires a change of perspective and approach to quitting.
Next Steps
Find doctors / therapists in your area who have had prior experience in helping people quit.
Health Tips
Best to quit cold turkey rather than reducing the number of cigarettes.