My 5 week old DS seems to have caught a cold off me and DH. He’s coughing a little and is sneezing. He’s feeding well and apart from that he seems to be healthy and well. But I’m so worried as he’s so tiny! What can I do to help his cough and sneezing? Do I need to take him to the doctor? Me and DH had a cold for 2-3 days and we are both better now