Suggest Treatment For Severe Dry Cough In Children

MY son bharat singhal age 12 years sufferingfrom dry cough from lst 2 months I am already took the treatment of dr.virender dr.rajiv bansal n now dr.pp khandelwal from lst 5 days BT he is in same position no improvement they gave their best BT now they can t handle he is cntns coughing even not stop for aMt.dr said that he didnt see this kind of cough in his 40 years career.all test will b done.chest is 100% clear lyt infection in throat. Antibiotics will b given mdcn steroid everything .BT he don t get relief 1%.so pls sir do smthng for hmi.i try to get yur app .bt yur recptinst gve me apppoinmnt of dte 11.v don t have time. Sir.pls reply me asap to save my child .he is in roongta his fromlast 5 days.really