question: am suffering from systemic sclerosis ,ILD(intestinal lung disease) a  auto immune disease ,its scarring(fibrous tissue replacing normal skin  tissues) of skin & internal organs   I started facing problem from feb 2008 in which my fingers were swollen &  difficulty in bending,the tips of fingers turns blue when temp drops  After test were conducted .The reports are as such   ANA-(+) VE HRCT-GLASSY PATCHES AT THE BASE OF LUNG  ESR-35  MY doctor prescribed me to take methotrixate(in small dose) weekly.after  taking medicine for eight month.Following changes were observed even  condition worsens    Symptom-severe coughing at time of sleeping,not able to run,heavy breathlessness,not able to climb stairs upto 1 floor,face skin tightens(not able to smile),color of skin changing,difficulty in bending  fingers,difficulty in swolling food and reflux on lying down(GERD).    The reports are as such:(after eight month)   HRCT-honeycombing at base of lungs,dialated oesophagus  PFT-severly impaired DLCO,FVC-71 % Pulse rate - 95/min  BP-130/90  ESR-40   After this they started corticosteroid(predisnolone),Azoran(immuno   supperesive),with lot of antacids medicine.these days they started   increasing doses of medicine(WHICH HAVE SEVERE SIDE AFFECT INCLUDING  INCRESE IN BLOOD SUGAR,DAMAGE TO KIDNEYS,INFERTILITY).   These days I m taking rituximab therapy to reduce lung fibrosis,hardening of skin of forearms, face   I have severe dry coughing  all the time and it get worsrens while talking, exitement, stress , and sleeping.  Can u suggest some medicine so that dry coughing will be reduced??