Hi, dear I have gone through your question. I can understand your concern. She may have some upper respiratory tract infection. it can be bacterial infection or virsl infection with super added bacterial infection. Lymphnode enlargement is due to reactive hyperplasia as a result of infection. She should take antibiotics like azithromycin or levofloxacin or amoxiclav according to your doctor s advice. Antihistaminics drugs like chlorpheneremine malate or cetrizine can be helpful. Paracetamol should be taken if she has fever. Hot saline water gargles is also useful. Consult your doctor and take treatment accordingly. Hope I have answered your question, if you have doubt then I will be happy to answer. Thanks for using health care magic. Wish you a very good health.