Suggest Treatment For Cold And Nasal Congestion

Hi doc, my son is 6months old.....he is suffering from cold....blocked nose..he is nt feeling comfortable while am feeding....as my husband is out of station plz just some medicine.....as am having Tminic cold and Alex. Drops am having Nasivion saline drop, Nasoclear saline drop and Nasivion Oxymetazoline Hydrochloride drop. Pls suggest me wat shud I give.....