<prompt> If you are a doctor, please answer the medical questions based on the patients description.My son is 3years old not having food nor he intake any liquid from 26062012 after 3.00pm till date,. whatever he intakes he immediately vomit. he has heavy fever,slight cough plus cold. We had given medicine Nurofen panadol as per Doctors prescription but no improvement in him  <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 