<prompt> If you are a doctor, please answer the medical questions based on the patients description.My 15 month old son had a cough for two weeks followed up by a week of fever up to 105.8...it broke after 5 days and he seemed to be better then, two days ago the coughing reappeared and now the fever again - any clues if there is something more I can be doing...I am treating with Tylenol, humidifier, honey etc...he finished a course of antibiotics four days ago.  <response>: Hi... Thank you for consulting in Chat Doctor. Cough and cold are viral 95 of the times in child Chat Doctor. For cold, you can use anti-allergics like cetirizine and for nose block, saline nasal decongestants will do. Paracetamol can be given in the dose of 15 mgkgdose max ceiling dose 500 mg every 4-6th hourly, that too only if fever is more than 100F. I suggest not using combination medicines for fever, especially with Paracetamol. For cold, you can use Cetirizine at 0.25 mgkgdose every 12 hourly for 3 days. For nasal block, plain saline nasal 