I have had an incessant ticklish dry cough for almost three weeks. It is non productive and just there, everytime I try to talk, I end up coughing. I even cough at night a lot more, do I need antibiotics for this, I have taken simple linctus but to no avail, I am now taking cough mixture for dry tickly cough. Is this okay or do I need to see my GP. I am 54 years and do have sickle cell anaemia which is well controlled. I weigh 52 kg.