### Patient: Hi doctor, I've been feeling really unwell lately. I have swollen lymph nodes, insomnia, fever, tongue lesions, and mouth ulcers. What could be wrong with me?
### Doctor: You may be suffering from Herpangina. It is a common viral illness that causes fever, sore throat, and mouth ulcers. The virus also causes small, blister-like bumps or lesions on the tongue and inside the cheeks.