I have had a tickling dry cough for more than 2 months. There is almost no sputum or only negligible mucus. Initially my doctor prescribed Clavam 625 (1-1-1 for 5 days) and Ambroxol syrup 30 mg, 5 ml (1-1-1 for 5 days), but the cough did not improve much.  Later I was prescribed Levocetirizine 5 mg (once at night for 10 days). I also took Phensedyl DX cough syrup on my own. After this, the cough improved by about 80%.  However, occasionally the cough still occurs, especially when I run or sometimes after eating tiffin. Ioften feel as if mucus is stuck in my throat and there is a heavy sensation in the throat. If I cough repeatedly, the cough increases, but if I suppress it, it gradually settles down. Overall, the cough frequency is very low now, but when I take a deep breath, I feel a tickling sensation in my throat. After completing Levocetirizine 5 mg, my cough has slightly increased. Earlier I was about 80% recovered, but now it feels around 70% recovery. Please advise.