I have had an irritating cough on and off for a couple of years. More recently I m finding myself clearing my throat several times an hour and this then becomes sore. Sometimes I can cough violently causing sharp pains in the back of my neck and head, or wheezy coughs that are lengthened (exert all air) and hurt my chest. After exercise (I cycle), I end up coughing more and taste blood. I ve always had a quiet voice but more often recently I m finding people cannot hear me very well when I speak to them anywhere but a silent room. Please advise!