<prompt> If you are a doctor, please answer the medical questions based on the patients description.We went to the pool 2 days ago and my 3 12 year old has come in this morning with a temperature and a chesty cough. He has no other symptoms and am worried it is caused by the pool water? He coughed a few times yesterday no temp but nothing too bad, today his cough is much worse.  <response>: HI...nothing to worry about. Seem like he has caught a viral pharyngitis. Cough and cold are viral 95 of the times in child Chat Doctor. For cold, you can use anti-allergics like cetirizine Promethazine and for nose block, saline nasal decongestants will do. For fever - 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 