Suggest Remedy For Constant Itching And Irritation In Throat With Cough

Hi. I am having like irritation inside my throat so much that it is making me cough so much. I cough so much so as to get rid of the itching sensation at my throat dat my throat is all so sensible now. A doctor prescribed me primalan and pantosec D and oropolis. But my throat is still itching especially at night that at times I can't breath with the coughing. Please advise. Thanks